Relevant bibliographies by topics / Adatom

Academic literature on the topic 'Adatom'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 April 2023

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Journal articles on the topic "Adatom"

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Sun, Mengyao, Zhiyong Wang, Yayun Zhao, Junchao Jin, Jianrong Xiao, and Liu Wang. "The Effects of Heteroatom Adsorption on the Electronic Properties of Phosphorene." Journal of Nanomaterials 2017 (2017): 1–13. http://dx.doi.org/10.1155/2017/9281852.

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A new 2D material, phosphorene, has several remarkable advantages; various superiorities make phosphorene a research hotspot. This paper provides comprehensive information about the structure and electronic and magnetic properties of phosphorene adsorbed with atoms, including alkali and alkaline-earth metal atoms, nonmetallic atoms, noble metal atoms, and transition-metal atoms. Phosphorene adsorbed with alkali and alkaline-earth metal atoms, such as Li and Na adatoms, becomes an n-type semiconductor, while phosphorene adsorbed with Be and Mg atoms becomes a p-type semiconductor. In view of nonmetallic adatoms (B, C, N, and O), the B adatom decorated phosphorene becomes metallic, the band gap of phosphorene adsorbed with C adatom decreases, and the phosphorene is p-type with N adatom, while the electronic property of O adatom adsorption case is affected slightly. Regarding noble metal adatoms adsorption condition, the Ag adatom makes phosphorene a n-type semiconductor, the Au adatom induces phosphorene to have a magnetism of 1 μB, and the electronic property of phosphorene is changed by adsorbing with Pt adatom. Among transition-metal adatoms, such as Fe, Ni, Co, Cu, and Zn adatoms, the band gap is reduced when Fe/Ni adatom adheres to the surface of phosphorene, The Co adsorbed phosphorene turns into a polar-gapless semiconductor and phosphorene is proved to be n-type with Cu adatom, but it is testified that the Zn atom is not suitable to adsorb on the phosphorene.
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Syromyatnikov, A. G., N. S. Kabanov, A. M. Saletsky, and A. L. Klavsyuk. "Ab initio study of interaction between 3d adatoms on the vicinal Cu(111) surface." Modern Physics Letters B 30, no. 17 (June 30, 2016): 1650218. http://dx.doi.org/10.1142/s0217984916502183.

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Density functional theory is used to resolve the adatom-step and adatom–adatom interactions on vicinal Cu(111) surface. We demonstrated that the interactions between 3d adatoms appreciably depend on the distance from a surface step. Our calculations show that the magnitude of the repulsive barrier related to the surface step is larger for 3d adatoms located at the upper surface terrace than for adatoms located at the lower surface terrace.
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Fu, Tsu-Yi, Yi-Ju Hwang, and Tien T. Tsong. "Oscillatory adatom–adatom interactions of Pd adatoms on the W(211) surface." Surface Science 566-568 (September 2004): 462–66. http://dx.doi.org/10.1016/j.susc.2004.05.086.

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Wen, Huan Fei, Yasuhiro Sugawara, and Yan Jun Li. "Multi-Channel Exploration of O Adatom on TiO2(110) Surface by Scanning Probe Microscopy." Nanomaterials 10, no. 8 (July 31, 2020): 1506. http://dx.doi.org/10.3390/nano10081506.

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We studied the O2 dissociated state under the different O2 exposed temperatures with atomic resolution by scanning probe microscopy (SPM) and imaged the O adatom by simultaneous atomic force microscopy (AFM)/scanning tunneling microscopy (STM). The effect of AFM operation mode on O adatom contrast was investigated, and the interaction of O adatom and the subsurface defect was observed by AFM/STM. Multi-channel exploration was performed to investigate the charge transfer between the adsorbed O and the TiO2(110) by obtaining the frequency shift, tunneling current and local contact potential difference at an atomic scale. The tunneling current image showed the difference of the tunneling possibility on the single O adatom and paired O adatoms, and the local contact potential difference distribution of the O-TiO2(110) surface institutively revealed the charge transfer from TiO2(110) surface to O adatom. The experimental results are expected to be helpful in investigating surface/interface properties by SPM.
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Avramov, Pavel V., Pavel B. Sorokin, Alex A. Kuzubov, Seiji Sakai, Shiro Entani, and Hiroshi Naramoto. "Prospects of Spin Catalysis on Spin-Polarized Graphene Heterostructures." Australian Journal of Chemistry 69, no. 7 (2016): 753. http://dx.doi.org/10.1071/ch15174.

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Extreme points on potential energy surfaces of Ni adatom on free-standing graphene and top:fcc and hcp:fcc graphene/Ni(111) heterostructures in different spin states were studied using periodic boundary conditions density functional theory approach. It was found that the spin states of the substrates strongly influence the energy of the Ni adatom extreme points on potential energy surface by decreasing (top:fcc heterostructure) or increasing (hcp:fcc heterostructure) the total energies of η1, η1′, and η2 Ni adatom coordinations on graphene. This phenomenon offers unique possibilities to control the potential energy surfaces of transition metal adatoms and promote surface chemical reactions using induced spin polarization of graphene substrates.
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Watanabe, Fumiya, and Gert Ehrlich. "Direct mapping of adatom-adatom interactions." Physical Review Letters 62, no. 10 (March 6, 1989): 1146–49. http://dx.doi.org/10.1103/physrevlett.62.1146.

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Tiersten, S. C., T. L. Reinecke, and S. C. Ying. "Indirect phonon mediated adatom-adatom interaction." Journal of Electron Spectroscopy and Related Phenomena 45 (January 1987): 413–19. http://dx.doi.org/10.1016/0368-2048(87)80087-7.

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Gao, Yang, and Kai-He Ding. "Scanning tunneling spectroscopy of a magnetic adatom on graphene." International Journal of Modern Physics B 28, no. 31 (December 8, 2014): 1450225. http://dx.doi.org/10.1142/s0217979214502257.

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We present a theoretic study on scanning tunneling spectroscopy (STS) of a magnetic adatom on graphene. Three typical configurations of adatoms on graphene are considered explicitly: the adatom is on the top of a carbon atom (TC), in a substitutional site (SC), or above the center of the honeycomb hexagon (HC). Based on the nonequilibrium Green's function method, we derive the local density of state (LDOS) for the adatom and the differential conductance through the scanning tunneling microscopy (STM) device. Our results show that in comparison with the cases of the TC and SC, there exists an anomalous broadening of the local adatom energy level in the HC, which pushes the adatom energy to first cross the Fermi level, leading to the appearance of an antiresonance in the LDOS due to the interference between the Kondo resonance and the broadened adatom level. Correspondingly, the bias dependence of the differential conductance in the HC exhibits a more asymmetric sharp Kondo peak pinned to the gate voltage, and its height still remains significantly large compared to that for the other two cases. Additionally, with decreasing the gate voltage, the Kondo peak in the differential conductance gradually decays, and eventually vanishes in the absence of the gate voltage.
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He, Jing, Bing Zheng, Ying Xie, Yin-yin Qian, Jiao Zhang, Ke Wang, Lin Yang, and Hai-tao Yu. "Effects of adatom species on the structure, stability, and work function of adatom-α-borophene nanocomposites." Physical Chemistry Chemical Physics 24, no. 15 (2022): 8923–39. http://dx.doi.org/10.1039/d2cp00506a.

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We investigate the evolution of the geometry, stability, electronic structure, and work function with changing IP and electronegativity of adatoms (Li–Cs; Be–Ba; F–I) in the adatom-α-borophene system.
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Ko, Young-Jo, K. J. Chang, Jae-Yel Yi, Seong-Ju Park, and El-Hang Lee. "First-Principles Study of the As-Mediated Growths of Si and Ge on Si(100)." Surface Review and Letters 05, no. 01 (February 1998): 77–80. http://dx.doi.org/10.1142/s0218625x98000165.

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We study the mechanism of the As-mediated epitaxial growths of Ge and Si on Si(100) surfaces through first-principles pseudopotential calculations. On an As-monolayer-covered Si(100) surface, individual Ge or Si adatoms are found to incorporate rapidly into subsurface As sites with minimum surface diffusion. The segregation of As is initiated by the substitutional adsorptions of individual Ge or Si adatoms. Because of the rapid adatom incorporation, adatom mobility is drastically reduced, compared with the growth without surfactants, resulting in a high density of two-dimensional islands. The inclusion of gradient corrections to the LDA energies does not change our results.
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Dissertations / Theses on the topic "Adatom"

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Khademi, Ali. "Tuning graphene’s electronic and transport properties via adatom deposition." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/62588.

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This thesis investigates the effect of adatom deposition, especially alkali and heavy adatoms, on graphene’s electronic and transport properties. While there are many theoretical predictions for tuning graphene’s properties via adatom deposition, only a few of them have been observed. Solving this enigma of inconsistency between theory and experiment raises the need for deeper experimental investigation of this matter. To achieve this goal, an experimental set up was built which enables us to evaporate different metal adatoms on graphene samples while they are at cryogenic temperatures and ultra-high vacuum (UHV) conditions. The critical role of in situ high-temperature annealing in creating reliable interactions between adatoms and graphene is observed. This contradicts the commonly accepted assumption in the transport community that placing a graphene sample in UHV and performing in situ 400-500 K annealing is enough to provide a reliable adatom-graphene interaction. Even charge doping by alkali atoms (Li), which is arguably the simplest of all adatom effects, cannot be achieved completely without in situ 900 K annealing. This observation may explain the difficulty many groups have faced in inducing superconductivity, spin-orbit interaction, or similar electronic modifications to graphene by adatom deposition, and it points toward a straightforward, if experimentally challenging, solution. The first experimental evidence of short-range scattering due to alkali adatoms in graphene is presented in this thesis, a result that contradicts the naive expectation that alkali adatoms on graphene only cause long-range Coulomb scattering. The induced short-range scattering by Li caused decline of intervalley time and length (i.e., enhancement of intervalley scattering). No signatures of theoretically predicted superconductivity of Li doped graphene were observed down to 3 K. Cryogenic deposition of copper increased the dephasing rate of graphene. This increase in dephasing rate is either a sign of inducing spin-orbit interaction or magnetic moments by copper. No similar effect was observed for indium.
Science, Faculty of
Physics and Astronomy, Department of
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Chacha, Joseph S. "Solvent, anion and temperature effects in UPD lead adatom array formation at gold electrodes." Thesis, University of Ottawa (Canada), 1989. http://hdl.handle.net/10393/5727.

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Adler, Florian Rudolf [Verfasser], Ralph [Gutachter] Claessen, and Matthias [Gutachter] Bode. "Electronic Correlations in Two-dimensional Triangular Adatom Lattices / Florian Rudolf Adler ; Gutachter: Ralph Claessen, Matthias Bode." Würzburg : Universität Würzburg, 2021. http://d-nb.info/124061473X/34.

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St, John Samuel. "Hierarchical Electrocatalyst Structure Control to Study Cathodic and Anodic Overpotential in Proton Exchange Membrane Fuel Cells." University of Cincinnati / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1384334674.

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Schuwalow, Sergej [Verfasser], and Frank [Akademischer Betreuer] Lechermann. "Magnetic adatom structures on semiconductor surfaces in presence of strong electronic correlations / Sergej Schuwalow. Betreuer: Frank Lechermann." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2012. http://d-nb.info/1027573967/34.

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LePage, Jeffrey Guy. "Projector-augmented wave method calculation of Ga adatom diffusion and local density of states for GaAs and Si surfaces /." The Ohio State University, 1997. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487943341528438.

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Žguns, Pjotrs. "First Principles Modelling of Clean Energy Materials." Licentiate thesis, KTH, Flerskalig materialmodellering, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-166864.

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This licentiate thesis presents the density functional theory study on clean energy materials relevant for catalysis applications, and for solid oxide fuel cells. In the first part of the thesis the metal supported ultrathin films, namely ScN/Mo, MgO/Mo and NaF/Mo are considered, and the Cu atom adsorption and charging on them is explored.The comparative study of these different films allows us to provide recommendations regarding the choice of materials, in order to promote adatom charging. The modulation of the adatom charge, by changing the material of the film, also paves the way for the design of novel catalysts. Moreover, the detailed investigation of the Cu/NaF/Mo caseshows a correlation between the charge redistribution upon the adsorption and the anharmonicity of the accompanying distortion. Overall, the research commands a fresh view on the adatom charging mechanism. In the second part of the thesis the gadolinium doped ceria, used asoxide electrolyte in solid oxide fuel cells, is studied. The employment of the cluster expansion method together with the density functional theory calculations provides the description of the configurational energy spectrum of dopants and oxygen vacancies in terms of effective pair and three site interactions. The chosen method allows one to predict the energy of anarbitrary configuration. Moreover, the effect of volume change on the strength of interactions is investigated, which is relevant for the modelling ofoxide electrolytes at operating temperatures of solid oxide fuel cells,i.e. when volume expansion is notable.

QC 20150521

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Tonnis, Kevin M. "The Electrocatalytic Behavior of Bismuth-Modified Platinum: Platinum-Bismuth Alloy versus Bismuth Adatoms." University of Cincinnati / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1592136754408934.

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Porter, Christopher Douglas. "Topics in the Theory of Josephson Arrays and Disordered Magnetic Systems." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1315459079.

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ACHILLI, SIMONA. "Spectral properties of adsorbates on metal surfaces via the embedding method." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2010. http://hdl.handle.net/10281/10827.

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Adsorbates on metal surfaces have attracted recently the scientific interest both from a fundamental point of view (quantum confinement) and in perspective of application in technology. In particular the electronic properties of such reduced symmetry systems are strictly related to their low dimensionality. An accurate theoretical description of their spectral properties has necessarily to deal with the absence of periodicity that characterizes these systems in one (thin films) or more (adatoms) directions. The embedding method allows to overcome this drawback considering a really infinite system both on vacuum and bulk side. In this thesis the ab initio spectral properties of single adatoms (alkali-metal atom and Ba) on Cu(111) and thin overlayers (K/Cu(111), Bi/Cu(100), O/Fe(100)) are analyzed, also in comparison with experimental results. The capabilities of the theoretical method adopted allow to evidence the role of the substrate band structure on the adsorbates induced electronic states. In particular the aspects related to the resonant charge transfer from the adsorbate's states to the bulk continuum are analyzed. This process represents an elastic decay channel for the surface electronic states and contributes to the elastic lifetime, that we can estimate according to the description of a continuous substrate band structure. The results presented for single adatoms evidence the blockade effect that a surface projected energy gap of the substrate produces on the resonant charge transfer. On the other hand the results relative to the overlayer allows to analyze the complex hybridization mechanism between surface features and substrate states in different points of the surface Brillouin zone. In addition the theoretical description of the electronic properties of overlayers on metal surfaces is devoted in this thesis also to the simulation of experimental findings, namely STM and STS images and photoemission spectra, showing the predictive character of the theoretical approach used.
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Books on the topic "Adatom"

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C, Tringides M., Chvoj Z. 1948-, and NATO Advanced Research Workshop on "Collective Surface Diffusion Coefficients Under Non-Equilibrium Conditions" (2000 : Prague, Czech Republic), eds. Collective diffusion on surfaces: Correlation effects and adatom interactions. Dordrecht: Kluwer Academic Publishers, published in cooperation with NATO Scientific Affairs Division, 2001.

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Tringides, M. C., and Z. Chvoj, eds. Collective Diffusion on Surfaces: Correlation Effects and Adatom Interactions. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0816-7.

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Tringides, M. C. Collective Diffusion on Surfaces: Correlation Effects and Adatom Interactions: Proceedings of the NATO Advanced Research Workshop on Collective Diffusion on Surfaces: Correlation Effects and Adatom Interactions Prague, Czech Republic 2-6 October 2000. Dordrecht: Springer Netherlands, 2001.

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Nagy, Péter H. Adatok tánca. Dunaszerdahely: Lilium Aurum, 2012.

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Zoltán, Molnár. Adatok Perbál történetéhez. Budapest: Molnár Z., 1991.

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László, Szabó. Kárpátaljai demográfiai adatok. Ungvár: Intermix, 1993.

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Abadiev, Idris. 13 adatov ingushskogo naroda. Nazranʹ: Partner, 2013.

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Eperjesi, Erzsébet Lindnerné. Munkaerőköltség, 2000: Előzetes adatok. Budapest: Központi Statisztikai Hivatal, 2002.

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Hungary. Központi Statisztikai Hivatal. Tájékoztatási Főosztály., ed. Adatok a Jugoszláv Köztársaságokról. [Budapest]: Központi Statisztikai Hivatal, 1991.

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János, Emődi. Történeti adatok Nagyvárad múltjából. Nagyvárad: Literator Könyvkiadó, 1998.

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Book chapters on the topic "Adatom"

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Gunton, J. D. "Kinetics of Adatom Ordering on Surfaces." In Kinetics of Interface Reactions, 238–52. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-72675-0_19.

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Wang, Yu-Ming, Jhao-Ying Wu, Thi Dieu Hien Nguyen, Vo Khuong Dien, Thi My Duyen Huynh, and Ming-Fa Lin. "Adatom-Enriched Essential Quasiparticle Properties of Germanene." In Diverse Quasiparticle Properties of Emerging Materials, 191–201. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003322573-9.

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Trushin, O. S., J. Hirvonen, J. Heinonen, P. Salo, M. Alatalo, T. Ala-Nissila, I. Koponen, and J. Merikoski. "Adatom Island Diffusion on Metal Fcc(100) Surfaces." In Collective Diffusion on Surfaces: Correlation Effects and Adatom Interactions, 317–25. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0816-7_28.

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Neugebauer, Jörg. "Surface Structure and Adatom Kinetics of Group-III Nitrides." In Nitride Semiconductors, 295–318. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607641.ch6.

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Frenken, J. W. M., and B. J. Hinch. "Quasielastic Helium Scattering Studies of Adatom Diffusion on Surfaces." In Springer Series in Surface Sciences, 287–313. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-662-02774-5_12.

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Graham, A. P., and J. P. Toennies. "Quasielastic Helium Scattering Studies of Surface Diffusion: The Diffusion Barrier." In Collective Diffusion on Surfaces: Correlation Effects and Adatom Interactions, 1–10. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0816-7_1.

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Cohen, C., G. Prévot, and D. Schmaus. "Metal Heterodiffusion on Metallic Surfaces: Case of Pb on Cu." In Collective Diffusion on Surfaces: Correlation Effects and Adatom Interactions, 107–16. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0816-7_10.

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Xiao, Xudong. "Step Effects on Surface Diffusion." In Collective Diffusion on Surfaces: Correlation Effects and Adatom Interactions, 117–27. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0816-7_11.

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Kerner, G., I. M. Danziger, W. Zhao, and M. Asscher. "Adsorption, Desorption and Diffusion of Potassium on Metal and Oxide Surfaces." In Collective Diffusion on Surfaces: Correlation Effects and Adatom Interactions, 129–41. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0816-7_12.

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Chvoj, Z. "Dynamics of Interacting Adparticles Under Non-Equilibrium Conditions." In Collective Diffusion on Surfaces: Correlation Effects and Adatom Interactions, 143–55. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0816-7_13.

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Conference papers on the topic "Adatom"

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Lin, Jui-teng. "Excitation of Interacting Adatoms and Surface-Dressed Bloch Equation." In Microphysics of Surfaces, Beams, and Adsorbates. Washington, D.C.: Optica Publishing Group, 1985. http://dx.doi.org/10.1364/msba.1985.tub3.

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The influence of a solid surface on the electronic excitation of a group of two-level adatoms and the associated power spectrum is investigated by means of a nonlinear surface-dressed Bloch equation. In the presence of a surface at a distance from the adatom which is comparable to the optical wavelength, the energy transfer dynamics is inflenced by the following factors: (i) nonradiative energy relaxation of the excited adatom via electron-phonon coupling, (ii) radiative spontaneous decay and stimulated emission caused by both the applied field and the reflected field, (iii) the oscillatory behavior of the adatom lifetime due to the interference between the applied and reflected field, (iv) the reflectivity and refrection index of the surface, (v) dipole dephasing caused by the surface phonons and plasmons, and (vi) interaction among the adatoms.
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Mönch, Winfried. "Adsorbate-induced Surface States and Fermi-level Pinning at Semiconductor Surfaces." In Microphysics of Surfaces, Beams, and Adsorbates. Washington, D.C.: Optica Publishing Group, 1989. http://dx.doi.org/10.1364/msba.1989.tuc1.

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Adatoms on semiconductors are inducing surface states and surface dipoles. For the observation of adatom-induced surface states, cleaved surfaces of III-V compound semiconductors are especially suited since they contain no intrinsic surface states within the bulk band gap. At such surfaces, the bands are thus flat up to the surface and adsorbate-induced surface band-bending is thus easily attributed to extrinsic surface states. Such adatom-induced surface states are responsible for the pinning of the Fermi level at adsorbate-covered semiconductor surfaces. Adatom-induced surface dipoles, on the other hand, are changing the ionization energy of the surface. Variations of the work function, finally, are including both changes of the surface band-bending and of the ionization energy.
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Jansson, Ville, Ekaterina Baibuz, Andreas Kyritsakis, and Flyura Djurabekova. "Adatom diffusion in high electric fields." In 2017 30th International Vacuum Nanoelectronics Conference (IVNC). IEEE, 2017. http://dx.doi.org/10.1109/ivnc.2017.8051541.

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Knepper, Robert A., and Russell F. Messier. "Thin film morphology at low adatom mobility." In International Symposium on Optical Science and Technology, edited by Akhlesh Lakhtakia, Werner S. Weiglhofer, and Ian J. Hodgkinson. SPIE, 2001. http://dx.doi.org/10.1117/12.432957.

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Gupta, Shuchi, Gagandeep Kaur, and Keya Dharamvir. "Energetics of gold adatom adsorption on graphene." In SOLID STATE PHYSICS: Proceedings of the 56th DAE Solid State Physics Symposium 2011. AIP, 2012. http://dx.doi.org/10.1063/1.4710034.

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Riley, Merle E., and Dennis J. Diestler. "Direct Laser Pumping of Adatom-Surface Vibrational Modes." In Microphysics of Surfaces, Beams, and Adsorbates. Washington, D.C.: Optica Publishing Group, 1985. http://dx.doi.org/10.1364/msba.1985.wc9.

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The interaction of laser radiation with chemical species adsorbed on solid surfaces is a process of relevance to vibrationally activated desorption and other reactive processes. For desorption, photons can either excite an internal mode of the adsorbate, A, forming A* which can convert to translational motion and removal, or the photons can directly excite the adspecies-surface bond A-S above the dissociation limit. In both cases the important competing process is vibrational deactivation due to the coupling with the modes of the solid lattice. The central question is the amount of energy that can be localized in the surface bond at a given laser intensity.
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Shiramine, Ken-ichi, Tomohiko Itoh, Shunichi Muto, Tamotsu Kozaki, and Seichi Sato. "Indium Adatom Migration in InAs/GaAs Quantum-Dot Growth." In 2001 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2001. http://dx.doi.org/10.7567/ssdm.2001.p-2-3.

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Zolotukhin, Dmitry, Dmitry Goloshchapov, Pavel Seredin, Andrey Mizerov, and Alexander Lenshin. "STUDY OF THE INFLUENCE OF THE SIC / POR-SI BUFFER LAYER ON THE STRUCTURAL, OPTICAL, AND TRANSPORT PROPERTIES OF GAN / SIC / SI (111) HETEROSTRUCTURES." In International Forum “Microelectronics – 2020”. Joung Scientists Scholarship “Microelectronics – 2020”. XIII International conference «Silicon – 2020». XII young scientists scholarship for silicon nanostructures and devices physics, material science, process and analysis. LLC MAKS Press, 2020. http://dx.doi.org/10.29003/m1576.silicon-2020/123-126.

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In this work, we demonstrate a new approach to the formation of GaN layers on Si (111) substrates using a transition nanoporous Si (111) (por-Si) sublayer, which was subsequently modified using the adatom substitution technique in order to form a 3H-buffer layer. SiC.
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Avouris, Phaedon, and Robert Wolkow. "Scanning Tunneling Microscopy and Spectroscopy Studies of Silicon Surface Chemistry." In Microphysics of Surfaces, Beams, and Adsorbates. Washington, D.C.: Optica Publishing Group, 1989. http://dx.doi.org/10.1364/msba.1989.wd3.

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Conventional techniques for the study of surface electronic structure provide information averaged over a macroscopic area of the sample and do not allow direct association of particular electronic features to specific surface sites. The microscopic understanding of surface chemistry, however, requires such an association since chemistry is a localized phenomenon. We will show that STM provides the unique ability to probe surface chemistry at the atomic level. Reactions of Si (111)-(7x7) will be used as prototypes. Using energy-resolved topographs and atom-resolved scanning tunneling spectra (AR-STS) we can follow the spatial distribution of the reactions among the different dangling-bond sites of the 7x7 surface, probe the electronic structure of these sites, and observe the electronic structure changes induced by the reaction. We find that reaction with NH3 preserves the 7x7 reconstruction but that there is significant selectivity among surface sites. Rest-atom sites are more reactive than ad-atom sites, and center-adatom sites are more reactive than corner-adatom sites. AR-STS reveals rest-atom ↔ adatom interactions at the clean surface which are eliminated by the reaction at rest-atom sites. We will discuss and interpret the observed reactivity differences in terms of silicon hypervalency and reaction-induced lattice strain. Reactions with other gases such as Si2H6 proceed in a similar manner. The reaction with evaporated CaF2 molecules eliminates the 7x7 reconstruction and several different sub-monolayer structures are formed depending on the deposition conditions. We will discuss the topography and bonding in these structures, and the role of steps and other defects in their nucleation. Finally, contrary to the general belief that insulating materials cannot be imaged by the STM we will show that by an appropriate choice of biasing conditions, multilayer insulating CaF2 films can be imaged by the STM. Mechanisms by which insulators can be imaged will be discussed.
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10

Kim, Do Hyeon, Adem H. Kulahlioglu, Hae Wook Han, and Byoung Don Kong. "Tunable Optical Absorption of Graphene Quantum Dots with Transition Metal Adatom." In 2021 IEEE 21st International Conference on Nanotechnology (NANO). IEEE, 2021. http://dx.doi.org/10.1109/nano51122.2021.9514357.

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Reports on the topic "Adatom"

1

Perkins, Leslie. Diffusion of adatoms on face-centered cubic transition metal surfaces. Office of Scientific and Technical Information (OSTI), May 1994. http://dx.doi.org/10.2172/10161694.

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2

Moore, Andrew, Eather Chapman, David Kim, Eric Klinker, and Kenneth Hayman. External COMSEC Adaptor Software Engineering Methodology. Fort Belvoir, VA: Defense Technical Information Center, August 1995. http://dx.doi.org/10.21236/ada298090.

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PITNER, A. L. Acceptance Test Plan for the Sludge Pickup Adaptor. Office of Scientific and Technical Information (OSTI), March 2000. http://dx.doi.org/10.2172/801894.

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Byl, Marten F., James T. Demers, and Edward A. Rietman. Using a Kernel Adatron for Object Classification with RCS Data. Fort Belvoir, VA: Defense Technical Information Center, May 2010. http://dx.doi.org/10.21236/ada523977.

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V. László, Zsófia. A bajba jutott kéményseprő és a hős tűzoltó : Egy kitüntetési ügy 1917-ből. Budapest Főváros Levéltára, 2021. http://dx.doi.org/10.56045/blm.2021.14.

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Az 1917-ben a sajtóban nagy figyelmet kiváltó esetet és szereplőit kutatta a cikk írója. Rámutat az újságokban megjelent és a levéltári források adatai közötti eltérésre. Történt, hogy a Lukács Fürdő kéményét tisztító kéményseprőt a tűzoltók mentették meg, ugyanis a fürdő fűtői nem tudtak a kéményseprésről, s a kazánba befűtöttek. A kéményseprő Generál Sándor neve a későbbiekben főleg bűncselekmények, valamint 1928-ban egy hasonló egri baleset kapcsán bukkan fel. Mindkét esetben a mentésben résztvevő tűzoltót kitüntették.
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Bell, Emily. The Role of Crk Adaptor Proteins in Breast Tumorigenesis and Bone Metastasis. Fort Belvoir, VA: Defense Technical Information Center, September 2012. http://dx.doi.org/10.21236/ada568434.

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7

Solderitsch, James J., and Ray McDowell. Software Technology for Adaptable, Reliable Systems (STARS). Reusability Library (RLF) AdaTAU Software User's Manual. Fort Belvoir, VA: Defense Technical Information Center, October 1990. http://dx.doi.org/10.21236/ada229221.

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8

Bussell, M. E. The role of adatoms (C,S) and surface structure in thiophene hydrodesulfurization over transition metal surfaces: A surface science and catalytic study. Office of Scientific and Technical Information (OSTI), August 1988. http://dx.doi.org/10.2172/6085390.

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Ali, Alee. ADAM Program Execution Plan LANL Inputs (FY2022). Office of Scientific and Technical Information (OSTI), August 2021. http://dx.doi.org/10.2172/1814729.

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10

Crose, Christina. Johann Adam Moehler: The Method of Historical Theology. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.961.

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