Thematische Bibliographien / Li(Si)PO(N) / Zeitschriftenartikel
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Zeitschriftenartikel zum Thema „Li(Si)PO(N)“

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Veröffentlicht am 8. Februar 2025

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1

Niu, Zhihao, Qiaozhuo Wu, Qingzhong Li und Steve Scheiner. „C∙∙∙O and Si∙∙∙O Tetrel Bonds: Substituent Effects and Transfer of the SiF3 Group“. International Journal of Molecular Sciences 24, Nr. 15 (25.07.2023): 11884. http://dx.doi.org/10.3390/ijms241511884.

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The tetrel bond (TB) between 1,2-benzisothiazol-3-one-2-TF3-1,1-dioxide (T = C, Si) and the O atom of pyridine-1-oxide (PO) and its derivatives (PO-X, X = H, NO2, CN, F, CH3, OH, OCH3, NH2, and Li) is examined by quantum chemical means. The Si∙∙∙O TB is quite strong, with interaction energies approaching a maximum of nearly 70 kcal/mol, while the C∙∙∙O TB is an order of magnitude weaker, with interaction energies between 2.0 and 2.6 kcal/mol. An electron-withdrawing substituent on the Lewis base weakens this TB, while an electron-donating group has the opposite effect. The SiF3 group transfers roughly halfway between the N of the acid and the O of the base without the aid of cooperative effects from a third entity.
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2

Rocherulle, Jean, Jean Guyader, Patrick Verdier und Yves Laurent. „Li-Si-Al-O-N and Li-Si-O-N oxynitride glasses study and characterization“. Journal of Materials Science 24, Nr. 12 (Dezember 1989): 4525–30. http://dx.doi.org/10.1007/bf00544539.

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3

HALDEN, NORMAN M., und FRANK C. HAWTHORNE. „HIGH-ENERGY PIXE: THE X-RAY SPECTRUM OF URANIUM IN AUTUNITE“. International Journal of PIXE 03, Nr. 02 (Januar 1993): 121–27. http://dx.doi.org/10.1142/s0129083593000112.

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Autunite, a U-bearing mineral ( Ca(UO) 2( PO 4)2.10–12 H 2 O ), has been examined using a high-energy proton beam ( E p =40 MeV ) and Si(Li) and intrinsic Ge solid state detectors. The spectra obtained from the sample show clearly resolved U K α1, K α2 and K β X-ray lines (using the Ge detector) and Ca K α, K β X-rays, Sr K α, K β and U L X-rays (using the Si(Li) detector), this demonstrates the potential analytical range and flexibility of high energy PIXE analysis.
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Góralski, Wojciech. „Działalność misyjna Kościoła w nowym Kodeksie Prawa Kanonicznego“. Prawo Kanoniczne 28, Nr. 3-4 (10.12.1985): 33–39. http://dx.doi.org/10.21697/pk.1985.28.3-4.03.

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II n u o v o Coidiice di D iritto C anonico, m uovendo dai ipresuposti fond a m e n ta li del Conoiliio V aticano II, d edica 12 canoni a il’ a ttiv ità m issio n a ria d ella C hiesa. L a lo ro collazione aU’in te rn o del lib ro III De Ecclesiae m u n e re docendi h a u n signifiicato riie v a n te : 1’an n u n cio e la p red icazio n e del V angelo, a ttiv ità che q u alifican o la funziome di in -seg n are, sono an ch e gli elem eniti fo n d am en tal! deli’azio n e m issian aria .N ell’artico lo si tr a tta p rim a del prindipio fo n d a m e n ta le in clu so nelcan . 781, poii del soggetto délia iresponsabilità m issio n a ria n ella C hiesa(il pap a, il collegio dei vesvovi, i siingoli vescovi, gli is titu ti di v itac o n sa cra ta , i m issio n ari, i catechisti). In seq u ito si présenta l’azionem issio n aria con le sue tap p e e gli a ltr i aspettd o rg an izzativ i deU’o p eramisBionairia. F in a lm e n te si co m m en ta le n o rm e rig u ard ain ti i com pitidelle C hiese p a rtic o la ri (le diocesi, le co n feren ze d ei vescovi).D ifatti, n e lla oodificazione di G io v an n i P ao lo II si è aittinto a b b o n -d a n te m e o te aile fointi co n ciliari com e p u re alla legislazione com plém entaire — d ecreti ed is titu ti — del p e ó o d o po st —■ co-nciliare, em a -n a ta p ro p rio p e r po x tare a conoreta applicazione le decisioni concilia ri
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Unuma, H., T. Kokubo und S. Sakka. „Crystallization of Li-Si-O-N oxynitride glasses“. Journal of Materials Science 23, Nr. 12 (Dezember 1988): 4399–405. http://dx.doi.org/10.1007/bf00551938.

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6

Zhang, Tao, Jun Yang, Jinhui Zhu, Jingjing Zhou, Zhixin Xu, Jiulin Wang, Feilong Qiu und Ping He. „A lithium-ion oxygen battery with a Si anode lithiated in situ by a Li3N-containing cathode“. Chemical Communications 54, Nr. 9 (2018): 1069–72. http://dx.doi.org/10.1039/c7cc09024b.

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7

Xie, Heng Xing. „Analysis of Water Environmental Quality Using BP Artificial Neural Network in Weihe River Baoji Segment“. Applied Mechanics and Materials 401-403 (September 2013): 2147–50. http://dx.doi.org/10.4028/www.scientific.net/amm.401-403.2147.

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The BP artificial neural network model in type 7-5-5 was constructed with the surface water quality standard (GB3838-2002) and the surface water quality items such as BOD5 (5 day biochemical oxygen demand), COD (chemical oxygen demand), permanganate index, fluoride, NH3-N, TP (total phosphorus) and TN (total nitrogen), and the water environmental quality evaluation was conducted using the trained BP artificial neural network with the water contamination concentration data in 6 sections of Weihe river Baoji segment in year 2009. Results showed that the water quality were GradeIand GradeII in Lin Jia Cun section and Sheng Li Qiao section, and Grade III in the rest section (Wo Long Si Bridge, Guo Zhen Bridge, Cai Jia Po Bridge and Chang Xing Bridge).
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8

Ren, Guang-Ming, Dong-Lin Shang und Jian-Ping Guo. „Bis{μ-N-[(N,N-dimethylamino)dimethylsilyl]-2,6-dimethylanilido}lithium(I)“. Acta Crystallographica Section E Structure Reports Online 63, Nr. 3 (21.02.2007): m793—m794. http://dx.doi.org/10.1107/s1600536807006460.

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9

Palmer, L. G., und G. Frindt. „Conductance and gating of epithelial Na channels from rat cortical collecting tubule. Effects of luminal Na and Li.“ Journal of General Physiology 92, Nr. 1 (01.07.1988): 121–38. http://dx.doi.org/10.1085/jgp.92.1.121.

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The behavior of individual Na channels in the apical membrane of the rat cortical collecting tubule (CCT) was studied at different concentrations of the permeant ions Na and Li. Tubules were opened to expose their luminal surfaces and bathed in K-gluconate medium to minimize tubule-to-tubule variation in cell membrane potential and intracellular Na concentration. The patch-clamp technique was used to resolve currents through individual channels. The patch-clamp pipette was filled with solutions containing variable concentrations of either NaCl or LiCl. In one series of experiments, the concentrations were changed without substitutions. In another series, the ionic strength and Cl concentration were maintained constant by partial substitution of Li with N-methyl-D-glucamine (NMDG). In cell-attached patches, both the single-channel conductance (g) and the single-channel current (i) saturated as functions of the Na or Li activity in the pipette. Without NMDG, the saturation of i was well described by Michaelis-Menten kinetics with an apparent Km of approximately 20 mM activity for Na and approximately 50 mM activity for Li. Km was independent of voltage for both ions. With substitution for Li by NMDG, the apparent Km value for Li transport through the channels increased. The values of the probability of a channel's being open (Po) varied from patch to patch, but no effect of pipette ion activity on Po could be demonstrated. A weak dependence of Po on membrane voltage was observed, with hyperpolarization increasing Po by an average of 2.3%/mV.
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UNUMA, Hidero, Yoshikazu SUZUKI, Tsuyoshi FURUSAKI, Yoshihiko ISHIZUKA und Kohei KODAIRA. „Phase Separation in Li-Si-O-N Oxynitride Glasses“. Journal of the Ceramic Society of Japan 97, Nr. 1123 (1989): 376–79. http://dx.doi.org/10.2109/jcersj.97.376.

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11

Cong, Ruye, Hyun-Ho Park, Minsang Jo, Hochun Lee und Chang-Seop Lee. „Synthesis and Electrochemical Performance of Electrostatic Self-Assembled Nano-Silicon@N-Doped Reduced Graphene Oxide/Carbon Nanofibers Composite as Anode Material for Lithium-Ion Batteries“. Molecules 26, Nr. 16 (10.08.2021): 4831. http://dx.doi.org/10.3390/molecules26164831.

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Silicon-carbon nanocomposite materials are widely adopted in the anode of lithium-ion batteries (LIB). However, the lithium ion (Li+) transportation is hampered due to the significant accumulation of silicon nanoparticles (Si) and the change in their volume, which leads to decreased battery performance. In an attempt to optimize the electrode structure, we report on a self-assembly synthesis of silicon nanoparticles@nitrogen-doped reduced graphene oxide/carbon nanofiber (Si@N-doped rGO/CNF) composites as potential high-performance anodes for LIB through electrostatic attraction. A large number of vacancies or defects on the graphite plane are generated by N atoms, thus providing transmission channels for Li+ and improving the conductivity of the electrode. CNF can maintain the stability of the electrode structure and prevent Si from falling off the electrode. The three-dimensional composite structure of Si, N-doped rGO, and CNF can effectively buffer the volume changes of Si, form a stable solid electrolyte interface (SEI), and shorten the transmission distance of Li+ and the electrons, while also providing high conductivity and mechanical stability to the electrode. The Si@N-doped rGO/CNF electrode outperforms the Si@N-doped rGO and Si/rGO/CNF electrodes in cycle performance and rate capability, with a reversible specific capacity reaching 1276.8 mAh/g after 100 cycles and a Coulomb efficiency of 99%.
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12

Flügel, Marius, Marius Bolsinger, Mario Marinaro, Volker Knoblauch, Markus Hölzle, Margret Wohlfahrt-Mehrens und Thomas Waldmann. „Onset Shift of Li Plating on Si/Graphite Anodes with Increasing Si Content“. Journal of The Electrochemical Society 170, Nr. 6 (01.06.2023): 060536. http://dx.doi.org/10.1149/1945-7111/acdda3.

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Mixing graphite with Si particles in anodes of Li-ion batteries provides increased specific energy. In addition, higher Si contents lead to thinner anode coatings at constant areal capacity. In the present study, we systematically investigated the influence of the Si content on the susceptibility of Li plating on Si/graphite anodes. Si/graphite anodes with Si contents from 0 to 20.8 wt% combined with NMC622 cathodes were manufactured on pilot-scale. After initial characterization in coin half cells and by SEM, pouch full cells with fixed N/P ratios were built. Rate capability at different temperatures, and Post-Mortem analysis were carried out. Results from voltage relaxation, Li stripping, SEM measurements, glow discharge optical emission spectroscopy (GD-OES) depth profiling, and optical microscopy were validated against each other. A decreasing susceptibility to Li plating with increasing Si content in the anodes could be clearly observed. A critical C-rate was defined, at which Li plating was detected for the first time. It was also found that at 0 °C the critical C-rate increases with increasing Si contents. At 23 °C the SOC at which Li dendrites were first observed on the anode also increased with higher Si content.
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13

Тимошнев, С. Н., Г. В. Бенеманская, А. М. Мизеров, М. С. Соболев und Я. Б. Эннс. „Изменение электронной структуры поверхности GaN/Si(111) при адсорбции Li“. Физика и техника полупроводников 56, Nr. 10 (2022): 961. http://dx.doi.org/10.21883/ftp.2022.10.53956.9904.

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The electronic structure of the epitaxial GaN/Si(111) layers and the Li/GaN/Si(111) interface with a monolayer Li coverages has been studied in situ under ultrahigh vacuum conditions. The experiments were carried out using photoelectron spectroscopy with synchrotron radiation in the photon energy range 75 eV – 850 eV. The photoemission spectra in the valence band and the core levels of Ga 3d, N 1s, and Li 1s are studied for the monolayer Li coating. It is found that Li adsorption causes a significant decrease in the intensity of the photoemission line of the intrinsic surface state and the appearance of an induced surface state due to charge transfer between the adsorbed Li layer and surface Ga atoms. It has been found that the GaN/Si(111) surface has predominantly Ga polarity. The Li/GaN/Si(111) interface has a semiconductor character.
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14

Timoshnev S. N., Benemanskaya G. V., Mizerov A. M., Sobolev M. S. und Enns Y. B. „Changes in the electronic properties of the GaN/Si(111) surface under Li adsorption“. Semiconductors 56, Nr. 10 (2022): 738. http://dx.doi.org/10.21883/sc.2022.10.54902.9904.

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The electronic structure of the epitaxial GaN/Si(111) layers and the Li/GaN/Si(111) interface with a monolayer Li coverage has been studied in situ under ultrahigh vacuum conditions. The experiments were carried out using photoelectron spectroscopy with synchrotron radiation in the photon energy range 75-850 eV. The photoemission spectra in the valence band and the core levels of Ga 3d, N 1s, and Li 1s are studied for the monolayer Li coating. It is found that Li adsorption causes a significant decrease in the intensity of the photoemission line of the intrinsic surface state and the appearance of an induced surface state due to charge transfer between the adsorbed Li layer and surface Ga atoms. It has been found that the GaN/Si(111) surface has predominantly Ga polarity. The Li/GaN/Si(111) interface has a semiconductor character. Keywords: III-nitrides, electronic structure, metal-GaN interface, photoelectron spectroscopy.
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15

Yang, Jing-Jing, Qing-Qing Fang, Wei-Na Wang, Dan-Dan Wang und Can Wang. „Pulsed laser deposition of Li–N dual acceptor in p-ZnO:(Li, N) thin film and the p-ZnO:(Li, N)/n-ZnO homojunctions on Si(100)“. Journal of Applied Physics 115, Nr. 12 (28.03.2014): 124509. http://dx.doi.org/10.1063/1.4868515.

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16

MESSIER, DONALD R., und ROBERT P. GLEISNER. „Preparation and Characterization of Li-Si-Al-O-N Glasses“. Journal of the American Ceramic Society 71, Nr. 6 (Juni 1988): 422–25. http://dx.doi.org/10.1111/j.1151-2916.1988.tb05888.x.

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17

Palade, P., G. A. Lungu und A. M. Husanu. „Thermodynamic destabilization of Li–N–H system by Si addition“. Journal of Alloys and Compounds 505, Nr. 1 (August 2010): 343–47. http://dx.doi.org/10.1016/j.jallcom.2010.03.249.

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18

Kosse, P., und E. Popowski. „Zum Reaktionsverhalten lithiierter Aminosilane RR? Si(H)N(Li)SiMe3“. Zeitschrift f�r anorganische und allgemeine Chemie 613, Nr. 7 (Juli 1992): 137–48. http://dx.doi.org/10.1002/zaac.19926130125.

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19

Li, Fen, und Jijun Zhao. „Three dimensional porous SiC for lithium polysulfide trapping“. Physical Chemistry Chemical Physics 20, Nr. 6 (2018): 4005–11. http://dx.doi.org/10.1039/c7cp07113b.

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A series of 3D porous SiC materials with active sp2 hybridized Si atoms have been designed for lithium polysulfide retention in Li–S batteries. The shuttle effect can be effectively depressed by the strong Si⋯S interaction between Li2Sn and the 3D porous SiC hosts.
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20

Wang, Cong, Zhihong Li, Haimei Liu und Yonggang Wang. „Improved electrochemical performance of a Li3V2(PO4)3 cathode in a wide potential window for lithium-ion storage by surface N-doped carbon coating and bulk K-doping“. New Journal of Chemistry 41, Nr. 17 (2017): 8772–80. http://dx.doi.org/10.1039/c7nj01313b.

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The electrochemical performance of a Li3V2(PO4)3 cathode in a wide potential window for lithium-ion batteries is improved by combination of surface N-doped carbon coating and bulk K-doping.
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21

Sreenarayanan, Bhagath, Wurigumula Bao, Shirley Meng, Darren Tan, Weikang Li und Shuang Bai. „Quantification of Lithium Inventory Loss in Micro Silicon Anode Via Titration-Gas Chromatography“. ECS Meeting Abstracts MA2022-02, Nr. 6 (09.10.2022): 621. http://dx.doi.org/10.1149/ma2022-026621mtgabs.

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Enabling silicon as an anode material for LIBs has been largely impeded by the severe volume changes it undergoes during cell operation, causing continuous Li inventory loss . Therefore, It is important to understand and quantify various sources of capacity fade in order to design effective mitigation strategies. In this work, we used a method based on Titration Gas Chromatography (TGC) to show a non-linear volume expansion in µSi anode during the electrochemical lithiation process. The severe volume expansion towards the end of lithiation leads to the accelerated SEI formation and thus leading to the conductive pathway loss, which results in a large amount of trapped Li-Si alloy accumulation. This TGC method was also applied to study μSi anodes with two different binders namely: Sodium Carboxymethyl Cellulose (CMC-Na) and Polyacrylic Acid (PAA). The main reason for capacity loss for the anode with CMC-Na binder was the trapped Li-Si alloy, which was reduced by using a more mechanically robust PAA binder. The concept of State of Charge (SoC) control was also investigated in µSi-LFP full cells with both the binders by tuning the N/P ratios from 1.5 to 3. The results showed that binder robustness is important for mitigating the trapped Li-Si alloy accumulation in µSi anode. Additionally, the effect of particle size of active material on trapped Li-Si accumulation was also investigated using the TGC method Figure: Cycle performance of µSi- CMC-Na-LFP full-cell with various N/P ratios (b) Cycle performance of µSi-PAA-LFP full-cell with various N/P ratios (c) TGC Data for Lithium inventory loss of full cell after 1st cycle for various N/P ratios (d) TGC Data for Lithium inventory loss of full cell after 10 cycles for various N/P ratios Figure 1
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ZHANG, FANFEI, YUE ZHANG, ANG LI, DAHAI ZHANG und ZONGPING LI. „PHASE TRANSFORMATION IN SiO2-Si3N4 SYSTEM WITH Li2CO3 ADDITIVE“. International Journal of Modern Physics B 24, Nr. 15n16 (30.06.2010): 2875–79. http://dx.doi.org/10.1142/s0217979210065787.

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In the present work, a series of samples were prepared by pressureless sintering from the starting materials of Si 3 N 4 (α and/or β phases), SiO 2 and Li 2 CO 3. The phase transformation was studied with emphasis on the influence of sintering temperature and Li 2 CO 3 content. Related phase transformation was observed and analyzed by SEM and XRD and probable mechanisms were given, which will be helpful for the further explanation to the oxidation mechanism of Si 3 N 4 based ceramics at elevated temperature.
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23

Lin, Yueqiang, Bin Qi, Zhiyuan Li, Su Zhang, Tong Wei und Zhuangjun Fan. „Low-cost micron-sized silicon/carbon anode prepared by a facile ball-milling method for Li-ion batteries“. Advances in Engineering Technology Research 9, Nr. 1 (10.01.2024): 330. http://dx.doi.org/10.56028/aetr.9.1.330.2024.

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Commercially, Si nanoparticles (nano Si) are blended with graphite to construct high-capacity Si/C anodes. However, this strategy falls short because of the high cost of nano Si, serious pollution due to the use of organic solvent, and weak physical-electrical connection between graphite and Si. Herein, using low-cost micron-sized Si (μSi) and graphite as the raw materials, we proposed a facial ball-milling method to construct high-performance Si/C anode (μSi/C@CH) in which milled Si particles are protected both by graphite matrix and homogeneous chitosan-derived carbon layer. It is shown that the N and O atoms not only tend to coordinate with Li+, generating uniformly-distributed Li+ transport channels, but also improve the electrical conductivity of the anode materials. As a result, μSi/C@CH shows high cycling stability (376.7 mAh g-1 at 0.5 A g-1 after 500 cycles) and good rate capability of 120.2 mAh g-1 at 5 A g-1. This dual protection strategy facilitates the practical application of Si/C materials in high-energy density Li ion batteries (LIBs).
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24

Lee, Seung-Joo, Jun-Hyun Bae, Hee-Won Lee, Hong-Koo Baik und Sung-Man Lee. „Electrical conductivity in Li–Si–P–O–N oxynitride thin-films“. Journal of Power Sources 123, Nr. 1 (September 2003): 61–64. http://dx.doi.org/10.1016/s0378-7753(03)00457-9.

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25

Narimatsu, Eiichirou, Takashi Takeda, Toshiyuki Nishimura und Naoto Hirosaki. „Preparation and electrical properties of Li–Si–Al–O–N ceramics“. Journal of Asian Ceramic Societies 1, Nr. 2 (Juni 2013): 191–96. http://dx.doi.org/10.1016/j.jascer.2013.05.006.

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26

Park, Seong-Jin, Jang-Yeon Hwang und Yang-Kook Sun. „Trimethylsilyl azide (C3H9N3Si): a highly efficient additive for tailoring fluoroethylene carbonate (FEC) based electrolytes for Li-metal batteries“. Journal of Materials Chemistry A 7, Nr. 22 (2019): 13441–48. http://dx.doi.org/10.1039/c9ta03713f.

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The addition of trimethylsilyl azide (C3H9N3Si) to FEC-based electrolytes enhances Li-metal stability and thus it enables the outstanding cycling stability of Li-metal battery at a practical level.
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Peng, Yi, Rou Tan, Jianmin Ma, Qiuhong Li, Taihong Wang und Xiaochuan Duan. „Electrospun Li3V2(PO4)3 nanocubes/carbon nanofibers as free-standing cathodes for high-performance lithium-ion batteries“. Journal of Materials Chemistry A 7, Nr. 24 (2019): 14681–88. http://dx.doi.org/10.1039/c9ta02740h.

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A novel free-standing architecture with Li3V2(PO4)3 nanocubes embedded in N-doped carbon nanofibers has been successfully prepared through a facile ionic liquid-assisted electrospinning method, which exhibits an outstanding electrochemical performance including high specific capacity, stable cycling performance and superior rate capability.
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Parra, Rubén D. „A Model Halogen-Bonded Network as a Potential Tube-like Host for Li+: A DFT Study“. Inorganics 12, Nr. 1 (30.12.2023): 16. http://dx.doi.org/10.3390/inorganics12010016.

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The formation of a halogen-bonded network using four NHX-(CH2)3-NX-(CH2)3-NHX molecules (X = Cl, Br, or I) is investigated using DFT. The self-assembly of the four basic motifs results in a tube-like structure with C4h symmetry, with one halogen-bonded network located at each end of the structure and one at its center. Each halogen-bonded network has four quasi-planar N-X···N interactions with binding energies that increase with the size of X. The structure is found to bind Li+ at each of the halogen-bonded networks, albeit more strongly at its center. The binding of Li+ is driven by halogen atom lone pairs that produce a rich electron density orthogonal to the halogen bond. The presence and strength of the interactions are further examined using AIM and NBO calculations. Lastly, IRC calculations are performed to examine the transitions between the Li+ complex minima and, thus, the potential for transporting the metal ion from one end of the tube to the other. Based on the tetrameric structure, a model intramolecular structure is built and considered as a potential host for Li+. In this case, the central intermolecular N-X···N network is replaced by an intramolecular Si-C≡C-Si network. Interestingly, both intermolecular and intramolecular structures exhibit similar Li+ binding abilities.
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Saymbetov, Ahmet, Ramizulla Muminov, Nursultan Japashov, Yorkin Toshmurodov, Madiyar Nurgaliyev, Nursultan Koshkarbay, Nurzhigit Kuttybay, Batyrbek Zholamanov und Zhang Jing. „Physical Processes during the Formation of Silicon-Lithium p-i-n Structures Using Double-Sided Diffusion and Drift Methods“. Materials 14, Nr. 18 (09.09.2021): 5174. http://dx.doi.org/10.3390/ma14185174.

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In this paper, we described a method of double-sided diffusion and drift of lithium-ions into monocrystalline silicon for the formation of the large-sized, p-i-n structured Si(Li) radiation detectors. The p-i-n structure is a p-n junction with a doped region, where the “i-region” is between the n and the p layers. A well-defined i-region is usually associated with p or n layers with high resistivities. The p-i-n structure is mostly used in diodes and in some types of semiconductor radiation detectors. The uniqueness of this method is that, in this method, the processes of diffusion and drift of lithium-ions, which are the main processes in the formation of Si(Li) p-i-n structures, are produced from both flat sides of cylindrical-shaped monocrystalline silicon, at optimal temperature (T = 420 °C) conditions of diffusion, and subsequently, with synchronous supply of temperature (from 55 to 100 °C) and reverse bias voltage (from 70 to 300 V) during drift of lithium-ions into silicon. Thus, shortening the manufacturing time of the detector and providing a more uniform distribution of lithium-ions in the crystal volume. Since, at present, the development of manufacturing of large-sized Si(Li) detectors is hindered due to difficulties in obtaining a uniformly compensated large area and time-consuming manufacturing process, the proposed method may open up new possibilities in detector manufacturing.
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Guo, Feifan, Xiaoxin Zou, Kai-Xue Wang, Yipu Liu, Feng Zhang, Yuanyuan Wu und Guo-Dong Li. „Li3V2(PO4)3 particles embedded in porous N-doped carbon as high-rate and long-life cathode material for Li-ion batteries“. RSC Advances 5, Nr. 95 (2015): 78209–14. http://dx.doi.org/10.1039/c5ra14943f.

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The porous N-doped carbon stabilized Li3V2(PO4)3 particles are obtained by using a modified sol–gel method, and the composite exhibits a high discharge capacity of 114.7 mA h g−1 at 1 C in the voltage range of 3–4.3 V after 600 cycles.
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Тимошнев, С. Н., А. М. Мизеров, Г. В. Бенеманская, С. А. Кукушкин und А. Д. Буравлев. „Фотоэмиссионные исследования электронной структуры GaN, выращенного методом молекулярно-пучковой эпитаксии с плазменной активацией азота“. Физика твердого тела 61, Nr. 12 (2019): 2294. http://dx.doi.org/10.21883/ftt.2019.12.48536.15ks.

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The results of experimental studies of the electronic and photoemission properties of an epitaxial GaN layer grown on a SiC/Si(111) substrate by plasma assisted molecular beam epitaxy are presented. The electronic structure of the GaN surface and ultrathin Li/GaN interface was first studied in situ under ultrahigh vacuum conditions under different Li coverages. The experiments were performed using photoelectron spectroscopy with synchrotron radiation in the photon energy range of 75–850 eV. The photoemission spectra in the region of the valence band and surface states and the photoemission spectra from the N 1s, Ga 3d, Li 2s core levels were studied for different submonolayer Li coverages. It is established that Li adsorption causes significant changes in the general form of the spectra induced by charge transfer between the Li layer and the lower N and Ga layers. It is established that the GaN surface has predominantly N-polarity. The semiconductor character of the Li / GaN interface is shown.
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Schmidt, Robert, Markus Ströbele, Carl P. Romao, David Enseling, Thomas Jüstel und Hans-Jürgen Meyer. „Synthesis, structure and properties of a calcium oxonitridosilicate phosphor showing green or red luminescence upon doping with Eu2+ or Ce3+“. Dalton Transactions 48, Nr. 37 (2019): 14069–76. http://dx.doi.org/10.1039/c9dt02564b.

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The new phase LixCa16−xSi17N32−xO2+x is an easy to make derivative of the so-called Ca16Si17N34 and a promising phosphor when doped with Eu2+ or Ce3+.
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Kosolapov, V. M., L. D. Sajfutdinova, V. I. Cherniavskih und E. V. Dumacheva. „Manifestation of selection traits and properties of forage productivity in groups of alfalfa varieties with different resistance to viral and phytoplasma infections“. Rossijskaâ selʹskohozâjstvennaâ nauka, Nr. 4 (23.10.2024): 20–23. http://dx.doi.org/10.31857/s2500262724040047.

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The research was conducted in 2019–2023 in Belgorod region with the purpose of breeding evaluation of alfalfa cultivars with different resistance to «witches’ broom alfalfa» (WBA). Fifty-two selection samples belonging to species Medicago sativa L., M. varia Mart., M. falcata L. The soil is typical chernozem, humus content (according to Tyurin) 4.7…5.0 %, The year of sowing – 2019. Predecessor – pure fallow. Plots – two-row long 3.5 m, row spacing width – 0.3 m. Repetition – five times. Standard – variety Belgorodskaya 86, sown through 5 numbers. Seeding rate of 100 germinated seeds per 1 linear meter. It was found that the group of varietal samples (n = 10) with low resistance to WBA (variation of prevalence 24.3–34.9 %) is characterized by a greater accumulation of protein (by 44.6 g/kg, t = 8.0, p 0.05), higher foliage (by 4.8 %, t = 3.7, p 0.05) and height (by 25.3 cm, t = 6.2, p 0.05), compared to the group of varieties resistant to WBA (n = 12) (prevalence variation 4.6… 9.1 %). Varieties with high resistance to WBA, belong to yellow and yellow-hybrid alfalfa varieties: Pavlovskaya 7, PO-172, Marusinskaya 425, PO-173, Sarga, PO-174, Victoria, 20–89 H, 193–95d, PO-175, SGPR-8, Vela×Sarga. Varieties with low resistance to VML belong to blue alfalfa and partially – blue-hybrid varieties: Krasnoyaruzhskaya 2, SI-139, SI-138, Plateau, Verko, Luzelle, Salsa, Kreno, Galaxi, Planet.
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Nayebossadri, Shahrouz, und Kondo-François Aguey-Zinsou. „Destabilisation of the Li–N–H hydrogen storage system with elemental Si“. Physical Chemistry Chemical Physics 13, Nr. 39 (2011): 17683. http://dx.doi.org/10.1039/c1cp22408e.

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Putra, Ridwan Pratama, Kyosuke Matsushita, Tsuyoshi Ohnishi und Takuya Masuda. „Development of Operando Bimodal Atomic Force Microscopy System for Real-Time Nanomechanical Mapping of Electrode Cross-Sections in All-Solid-State Lithium-Ion Battery Configuration“. ECS Meeting Abstracts MA2024-02, Nr. 4 (22.11.2024): 484. https://doi.org/10.1149/ma2024-024484mtgabs.

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All-solid-state lithium-ion batteries (ASSLBs) have garnered considerable attention as the next-generation electrochemical energy storage systems due to their high chemical safety and wide electrochemical potential windows1. Among the available candidates for ASSLB negative electrodes, silicon is a promising material because of its extremely high theoretical capacity and low lithiation/delithiation potential2. However, Si is known to undergo severe structural changes during electrochemical lithiation/delithiation, as revealed by our previous operando studies using a laboratory-based X-ray photoelectron spectroscopy setup3,4. These dramatic structural changes may result in a significant volume expansion/contraction, leading to particle cracking, pulverization, and electrode failure. Hence, the understanding and control of such physicochemical phenomena are critical to prevent nanomechanical and electrochemical degradation of the electrode. In this talk, we will introduce our newly developed operando bimodal atomic force microscopy (AFM) system which enables real-time nanomechanical monitoring of an amorphous Si thin film electrode during electrochemical lithiation/delithiation, simultaneously with cross-sectional topography imaging5. An ASSLB cell composed of 3 µm-thick Si thin film/500 µm-thick Li6.6La3Zr1.6Ta0.4O12 (LLZT) solid electrolyte/50 µm-thick Li foil (Si/LLZT/Li) was fabricated, and its cross-section was smoothened by an Ar-ion beam prior to carrying out the nanomechanical mapping on the Si/LLZT interface. The nanomechanical mapping was performed during the first electrochemical lithiation and delithiation within a potential window of 0.01-1.20 V vs. Li+/Li under Ar atmosphere (H2O < 0.1 ppm, O2 < 0.1 ppm). Nanomechanical property maps of the Si electrode, in the form of Young’s modulus maps, were successfully acquired as a function of apparent Li content x in lithium silicide (Li x Si), together with real-time topography images. At the first lithiation, the average Young’s modulus drastically decreased due to the formation of Li x Si from pristine Si, followed by a moderate modulus reduction up to a capacity of 3300 mAh g-1 (x = 3.46 in Li x Si). Throughout the successive delithiation up to 1467 mAh g-1 (x = 1.54 in Li x Si), the average modulus was gradually recovered. The Li x Si moduli obtained from this study are consistent with the values from the first-principles calculations, showing the sensitivity and reliability of the technique6. The demonstrated technique can be implemented for a wide range of battery materials for both solid-state and liquid-electrolyte lithium battery systems. References: K. Takada. J. Power Sources. 2018, 394, 74. J. Sakabe, N. Ohta, and T. Ohnishi. Commun. Chem. 2018, 1, 1, 24. R. Endo, T. Ohnishi, K. Takada, and T. Masuda. J. Phys. Chem. Lett. 2020, 11, 16, 6649. R. Endo, T. Ohnishi, K. Takada, and T. Masuda. J. Phys. Chem. Lett. 2022, 13, 31, 7363. R.P. Putra, K. Matsushita, T. Ohnishi, T. Masuda. J. Phys. Chem. Lett. 2024, 15, 2, 490. V.B. Shenoy, P. Johari, Y. Qi. J. Power Sources. 2010, 195, 19, 6825.
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Nayebossadri, Shahrouz. „Kinetic rate-limiting steps in dehydrogenation of Li–N–H and Li–Mg–N–H systems – Effects of elemental Si and Al“. International Journal of Hydrogen Energy 36, Nr. 14 (Juli 2011): 8335–43. http://dx.doi.org/10.1016/j.ijhydene.2011.03.169.

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37

GASPARYAN, FERDINAND, und SVETLANA VITUSEVICH. „MILLIMETER WAVE DETECTORS DEVELOPED ON THE BASIS OF DOPED SEMICONDUCTORS“. Modern Physics Letters B 28, Nr. 01 (23.12.2013): 1450001. http://dx.doi.org/10.1142/s0217984914500018.

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Semiconductor p-i-n structure with long i-base region doped with shallow donors/acceptors can be successfully used and have significant advantages in millimeter wave range as cooling THz receivers. It is shown that such detectors working in double current injection mode can have high current photosensitivity and detectivity, linear dependencies of sensitivity versus wavelength and applied voltage. Simulation results can be successfully used for detectors fabricated on the basis of several semiconductors: Si : Li , Si : O , Ge : B , Ge : Al , Ge : Ti , Ge : Be , Ge : P , Ge : As , Ge : Sb , GaAs : Li , GaAs : Zn , GaAs : Cd , GaAs : X , GaP : N , which covered wavelengths 40–200 μm. The simulation results made in this paper have demonstrated the ability of double injection structures to perform as practical and sensitive power detectors for THz radiation.
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Han, Ying, Ning Lin, Yuying Qian, Jianbin Zhou, Jie Tian, Yongchun Zhu und Yitai Qian. „A scalable synthesis of N-doped Si nanoparticles for high-performance Li-ion batteries“. Chemical Communications 52, Nr. 19 (2016): 3813–16. http://dx.doi.org/10.1039/c6cc00253f.

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39

Abe, Yusuke, Ippei Saito, Masahiro Tomioka, Mahmudul Kabir und Seiji Kumagai. „Effects of Excessive Prelithiation on Full-Cell Performance of Li-Ion Batteries with a Hard-Carbon/Nanosized-Si Composite Anode“. Batteries 8, Nr. 11 (02.11.2022): 210. http://dx.doi.org/10.3390/batteries8110210.

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The effects of excessive prelithiation on the full-cell performance of Li-ion batteries (LIBs) with a hard-carbon/nanosized-Si (HC/N-Si) composite anode were investigated; HC and N-Si simply mixed at mass ratios of 9:1 and 8:2 were analyzed. CR2032-type half- and full-cells were assembled to evaluate the electrochemical LIB anode behavior. The galvanostatic measurements of half-cell configurations revealed that the composite anode with an 8:2 HC/N-Si mass ratio exhibited a high capacity (531 mAh g−1) at 0.1 C and superior current-rate dependence (rate performance) at 0.1–10 C. To evaluate the practical LIB anode performance, the optimally performing composite anode was used in the full cell. Prior to full-cell assembly, the composite anodes were prelithiated via electrochemical Li doping at different cutoff anodic specific capacities (200–600 mAh g−1). The composite anode was paired with a LiNi0.5Co0.2Mn0.3O2 cathode to construct full-cells, the performance of which was evaluated by conducting sequential rate and cycling performance tests. Prelithiation affected only the cycling performance, without affecting the rate performance. Excellent capacity retention was observed in the full-cells with prelithiation conducted at cutoff anodic specific capacities greater than or equal to 500 mAh g−1.
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Takeda, Takashi, Shiro Funahashi, Rong-Jun Xie und Naoto Hirosaki. „Broadband white luminescent phosphor Ba(Si7−xAlx)Liy(N10−x+yOx−y):Eu2+ with a high color rendering index for solid state lighting“. Journal of Materials Chemistry C 9, Nr. 16 (2021): 5497–504. http://dx.doi.org/10.1039/d0tc04228e.

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41

Jana, Anukul, Moumita Majumdar, Volker Huch, Michael Zimmer und David Scheschkewitz. „NHC-coordinated silagermenylidene functionalized in allylic position and its behaviour as a ligand“. Dalton Trans. 43, Nr. 13 (2014): 5175–81. http://dx.doi.org/10.1039/c4dt00094c.

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Through coordination by an N-heterocyclic carbene (NHC) silagermenylidene (Tip2Cl)Si-(Tip)SiGe·NHCiPr2Me2 (4-E/Z; Tip = 2,4,6-iPr3C6H2; NHCiPr2Me2 = 1,3-iPr2-4,5-Me2imidazol-2-ylidene) is available as an E/Z-equilibrium mixture from Tip2SiSi(Tip)Li and NHCiPr2Me2·GeCl2.
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42

Zhang, Huijun, Jiadong Ren, Lailei Wu und Jingwu Zhang. „Ionic A Si 2 N 3 ( A =Li, Na, K and Rb) stabilized by the covalent Si–N bonding: First-principles calculations“. Journal of Solid State Chemistry 245 (Januar 2017): 184–89. http://dx.doi.org/10.1016/j.jssc.2016.10.020.

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43

Casas-Cabanas, M., H. Santner und M. R. Palacín. „The Li–Si–(O)–N system revisited: Structural characterization of Li21Si3N11 and Li7SiN3O“. Journal of Solid State Chemistry 213 (Mai 2014): 152–57. http://dx.doi.org/10.1016/j.jssc.2014.02.022.

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44

Guangqing, Hu, Yao Luping, Fang Quanxin und Li Jiazhi. „A study of crystallization in some LiAlSiON system glasses“. Journal of Non-Crystalline Solids 80, Nr. 1-3 (März 1986): 209–14. http://dx.doi.org/10.1016/0022-3093(86)90397-2.

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Leaño, Julius L., Tadeusz Lesniewski, Agata Lazarowska, Sebastian Mahlik, Marek Grinberg, Hwo-Shuenn Sheu und Ru-Shi Liu. „Thermal stabilization and energy transfer in narrow-band red-emitting Sr[(Mg2Al2)1−y(Li2Si2)yN4]:Eu2+phosphors“. Journal of Materials Chemistry C 6, Nr. 22 (2018): 5975–83. http://dx.doi.org/10.1039/c7tc05613c.

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Bischof, Katharina, Marius Flügel, Markus Hölzle, Margret Wohlfahrt-Mehrens und Thomas Waldmann. „Aging Mechanism For Calendar Aging of Li-Ion Cells With Si/Graphite Anodes“. Journal of The Electrochemical Society 171, Nr. 1 (01.01.2024): 010510. http://dx.doi.org/10.1149/1945-7111/ad1b7c.

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Calendar aging of Li-ion batteries with Si/graphite electrodes was investigated within this study. A total of 121 single-layer pouch full cells with either graphite or Si/graphite (3.0 wt−%, 5.8 wt−% and 20.8 wt−% Si) anodes and NMC622 cathodes with the same N/P ratio were built on pilot-scale. Calendar aging was studied at SoC 30%, 60%, and 100%, as well as temperature (25 °C, 45 °C, 60 °C) and time dependence. The aging data was analyzed in terms of capacity fade and a square-root behavior was observed. Differential voltage analysis (DVA) has been performed as a function of aging time. The observed temperature and time dependence is best described by time dependent, 3D Arrhenius plots. Post-Mortem analysis (SEM, EDX, GD-OES) is applied to investigate the changes on electrode and material level. Conclusions are drawn on the main aging mechanisms for calendar aging of Li-ion cells with Si/graphite anodes and differences between Si/graphite and pure graphite anodes are discussed. The Si-containing cells show a combination of lithium inventory loss and a loss of accessible Si active material, both caused by SEI growth.
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47

Schneider, Jan, Eckhard Popowski und Normen Peulecke. „Reaktionen der Lithiumhydridosilylamide Me2(H)Si-N(Li)R (R = CMe3, SiMe3) mit Chlortrimethylstannan und Chlormethylsilanen Me4–nSiCln (n = 1-3)/ Reactions of Lithium Hydridosilylamides Me2(H)Si-N(Li)R (R = CMe3, SiMe3) with Chlorotrimethylstannane and Chloromethylsilanes Me4-nSiCln (n = 1 - 3)“. Zeitschrift für Naturforschung B 55, Nr. 10 (01.10.2000): 924–34. http://dx.doi.org/10.1515/znb-2000-1006.

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AbstractThe under reflux conditions in n-octane stable lithium hydridosilylamides Me2(H)Si-N(Li)R (1: R = CMe3, 2: SiMe3) were allowed to react with chlorotrimethylstannane and chloromethylsilanes Me4-nSiCln (n = 1 - 3) in different molar ratios. 1 reacts with Me3SnCl in n-pentane to give the cyclodisilazane [Me2Si-NCMe3]2 (3) and Me3SnH. The reaction of 2 with Me3SnCl under the same conditions leads to a mixture of Me2 (H)Si-N(SnMe3)SiMe3 (5), [Me2Si-NSiMe3]2 (4), and to Me3SnH. In the reactions of 1 and 2 with chlorotrimethylstannane in tetrahydrofuran the corresponding N-stannylation products Me2(H)Si-N(SnMe3)R 5, 6 and very small amounts of (Me3Sn)2 are formed. The results of the reactions of 1 and 2 with Me2SiCl2 and of 1 with MeSiCl3 in n-hexane show that hydrogen-chlorine-exchange proceeds between the reactants. With Me2SiCl2 the corresponding cyclodisilazanes [Me2Si-NR]2 3, 4, N-silylation products Me2(H)Si-N(SiMe2Cl)R 7b, 8b, and Me2(H)Si-N(SiMe2H)R 7c, 8c, and the silanes Me2SiHCl and Me2SiH2 are formed, the cyclodisilazanes being the main products. 1 and MeSiCl3 produce 3, Me2(H)Si-N(R′)CMe3 (7d: R′ = SiMeCl2, 7e: R' = SiMeCIH, 7f: R′ = SiM eH2) and MeSiH3. In comparison with the reaction of 1 with Me2SiCl2 the yield of cyclodisilazane is smaller and that of N-silylated compounds is higher. The reaction behaviour of 1 towards Me2SiCl2 and MeSiCl3 in THF is comparable to that in n-hexane. No silanimine intermediates are observed in the reactions of 1 or 2 with the chloromethylsilanes Me4-nSiCln (n = 1 - 3) in the molar ratios 1:5 and 1:10.
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48

Monchinsky, V. A., I. V. Kalagin und A. I. Govorov. „Laser ion source of Synchrophasotron and Nuclotron in Dubna“. Laser and Particle Beams 14, Nr. 3 (September 1996): 439–42. http://dx.doi.org/10.1017/s0263034600010120.

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Since 1976, the laser ion source (LIS) has been operated at the Laboratory of High Energies. At present, the LIS is used to perform experiments on relativistic beams of Li, B, C, N, O, F, Mg, and Si nuclei
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Dhrimo, Ali. „Kategoritë gramatikore të mbiemrave“. Studime Filologjike, Nr. 3 (02.10.2023): 85–124. http://dx.doi.org/10.62006/sf.v1i3.2948.

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Mbiemri, ashtu si edhe emri që përcaktohet prej tij, është një fjalë emërtuese dhe e kuptimshme, që mund të kryejë funksione të ndryshme si gjymtyrë e fjalisë dhe që ka po ato kategori gramatikore që ka edhe emri që ky përcakton. Atëhere lind pyetja: ku ndryshojnë midis tyre këto dy pjesë të ligjëratës? Për këtë duhet pasur parasysh fakti që mbiemri është vërtet n jë fjalë emërtuese dhe e kuptimshme me po ato kategori gramatikore që ka edhe emri i përcaktuar prej tij, por I këto kategori tek mbiemri janë «të jashtme»-, sintaksore, varen nga ato. të emrit të dhënë. Pra, mbiemri duhet të ketë patjetër pranë një emër, të shprehur apo të nën kuptuar (sa kohë që nuk ka kaluar përfundimisht në klasën e emrit). Rrjedhimisht mbiemri, si për nga kuptimi ashtu edhe për nga kategoritë e tij gramatikore, është i lidhur ngushtë me emrin. Duke qenë i lidhur kështu, mbiemri formon me emrin një togfjalësh, bërthamën e të cilit e përbën emri, dhe ka gjithë kategoritë gramatikore të këtij të fundit: gjini. numër e deri në një farë mase edhe rasë.
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50

Fei, Zenghui, Chao Zeng, Chengrong Lu, Bei Zhao und Yingming Yao. „An efficient asymmetric hydrophosphonylation of unsaturated amides catalyzed by rare-earth metal amides [(Me3Si)2N]3RE(μ-Cl)Li(THF)3 with phenoxy-functionalized chiral prolinols“. RSC Advances 7, Nr. 31 (2017): 19306–11. http://dx.doi.org/10.1039/c7ra00468k.

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An asymmetric hydrophosphonylation reaction of diethyl phosphite with α,β-unsaturated amides catalyzed by [(Me3Si)2N]3RE(μ-Cl)Li(THF)3 with H2Ln ((S)-2,4-R2-6-[[2-(hydroxydiphenylmethyl)pyrrolidin-1-yl]methyl]phenol) was disclosed.
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