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Artykuły w czasopismach na temat „Break junction”

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Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 10 marca 2023

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1

Laible, Florian, Kai Braun, Otto Hauler, Martin Eberle, Dieter P. Kern, Alfred J. Meixner i Monika Fleischer. "A flexible platform for controlled optical and electrical effects in tailored plasmonic break junctions". Nanophotonics 9, nr 6 (4.05.2020): 1391–400. http://dx.doi.org/10.1515/nanoph-2019-0472.

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AbstractMechanically controllable break junctions are one suitable approach to generate atomic point contacts and ultrasmall and controllable gaps between two metal contacts. For constant bias voltages, the tunneling current can be used as a ruler to evaluate the distance between the contacts in the sub-1-nm regime and with sub-Å precision. This ruler can be used to measure the distance between two plasmonic nanostructures located at the designated breaking point of the break junction. In this work, an experimental setup together with suitable nanofabricated break junctions is developed that enables us to perform simultaneous gap-dependent optical and electrical characterization of coupled plasmonic particles, more specifically bowtie antennas in the highly interesting gap range from few nanometers down to zero gap width. The plasmonic break junction experiment is performed in the focus of a confocal microscope. Confocal scanning images and current measurements are simultaneously recorded and exhibit an increased current when the laser is focused in the proximity of the junction. This setup offers a flexible platform for further correlated optoelectronic investigations of coupled antennas or junctions bridged by nanomaterials.

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2

Fu, Tianren, Kathleen Frommer, Colin Nuckolls i Latha Venkataraman. "Single-Molecule Junction Formation in Break-Junction Measurements". Journal of Physical Chemistry Letters 12, nr 44 (1.11.2021): 10802–7. http://dx.doi.org/10.1021/acs.jpclett.1c03160.

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3

Huang, Cancan, Alexander V. Rudnev, Wenjing Hong i Thomas Wandlowski. "Break junction under electrochemical gating: testbed for single-molecule electronics". Chemical Society Reviews 44, nr 4 (2015): 889–901. http://dx.doi.org/10.1039/c4cs00242c.

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4

Schmidt, H., J. F. Zasadzinski, K. E. Gray i D. G. Hinks. "Break-junction tunneling on MgB2". Physica C: Superconductivity 385, nr 1-2 (marzec 2003): 221–32. http://dx.doi.org/10.1016/s0921-4534(02)02317-1.

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5

Ekino, T., Y. Hasegawa, H. Fukuda, H. Kamura i H. Fujii. "Break-junction spectroscopy of antiferromagnetic". Physica B: Condensed Matter 284-288 (lipiec 2000): 1327–28. http://dx.doi.org/10.1016/s0921-4526(99)02601-0.

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6

Zotti, Bednarz, Hurtado-Gallego, Cabosart, Rubio-Bollinger, Agrait i van der Zant. "Can One Define the Conductance of Amino Acids?" Biomolecules 9, nr 10 (7.10.2019): 580. http://dx.doi.org/10.3390/biom9100580.

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We studied the electron-transport properties of ten different amino acids and one dimer (di-methionine) using the mechanically controlled break-junction (MCBJ) technique. For methionine and cysteine, additional measurements were performed with the scanning tunneling microscope break-junction (STM-BJ) technique. By means of a statistical clustering technique, we identified several conductance groups for each of the molecules considered. Ab initio calculations revealed that the observed broad conductance distribution stems from the possibility of various binding geometries which can be formed during stretching combined with a multitude of possible conformational changes. The results suggest that it would be helpful to explore different experimental techniques such as recognition tunneling and conditions to help identify the nature of amino-acid-based junctions even further, for example, with the goal to establish a firm platform for their unambiguous recognition by tunneling break-junction experiments.

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7

Bei, Zhongwu, Yuan Huang, Yangwei Chen, Yiping Cao i Jin Li. "Photo-induced carbocation-enhanced charge transport in single-molecule junctions". Chemical Science 11, nr 23 (2020): 6026–30. http://dx.doi.org/10.1039/d0sc00505c.

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8

Wang, Ling, Zhikai Zhao i Dong Xiang. "On-Chip Break Junctions and Period-Adjustable Grating Driven by Thermal Stress". Nano 12, nr 11 (listopad 2017): 1750139. http://dx.doi.org/10.1142/s1793292017501399.

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The investigation of the electron transport through single molecule needs an efficient method to generate stable molecular junctions. There are various techniques, such as mechanically controllable break junction (MCBJ) technique and electromigration technique, to generate stable nanogaps and stable molecular junctions. However, it is a great challenge for MCBJ technique to obtain on-chip molecular junctions because of the constraint of the push rod components, which do not make it facile to fabricate highly integrated molecular devices. Meanwhile, the gap size between electrodes is nonadjustable for the electromigration method, which leads to a low yield of molecular junctions. In this report, a thermally controllable break junction method, which can overcome the above problem, is proposed for the first time. The device is based on a double-V-shaped symmetrical structure and mechanically driven by thermal expansion, thus the push rod is not needed. Furthermore, we proposed that the thermally controlled double-V-shaped structure can be employed to precisely adjust the period of the metal grating with nanometer accuracy, which is unavailable in other methods.

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9

GIUBILEO, F., F. BOBBA, A. M. CUCOLO i A. I. AKIMENKO. "TEMPERATURE DEPENDENCE OF GAP RELATED STRUCTURES IN YBa2Cu3O7-δ BREAK JUNCTIONS". International Journal of Modern Physics B 14, nr 25n27 (30.10.2000): 3080–85. http://dx.doi.org/10.1142/s0217979200003344.

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We have applied the break junction technique to highly epitaxial c-axis oriented YBaCuO thin films with T c (ρ=0)=91 K deposited on (001) SrTiO 3 or LaAlO 3 substrates by a high oxygen pressure d.c. sputtering technique. The film thickness was about 1500 Å and a photolithographic process was used to reduce to 100 μm the junction width across the fracture. By this procedure, tunable resistance break junctions with tunneling current favored along the ab-planes have been realized. The junctions were formed at low temperatures with freshly fractured surfaces and an inert tunnel barrier was created by helium gas or liquid. A good stability was obtained with the normal-state resistance R N changing about 15% in the temperature range between 4.2 K and 100 K. We have measured the temperature dependence of the conductance maxima that are related to superconducting energy gap at the Fermi level.

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10

Mitra, Gautam, Vincent Delmas, Hassan Al Sabea, Lucie Norel, Olivier Galangau, Stéphane Rigaut, Jérôme Cornil, Karine Costuas i Elke Scheer. "Electronic transport through single-molecule oligophenyl-diethynyl junctions with direct gold–carbon bonds formed at low temperature". Nanoscale Advances 4, nr 2 (2022): 457–66. http://dx.doi.org/10.1039/d1na00650a.

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Single-molecule junctions of oligophenyl-diethynyl (OPAn) are studied at low temperature using a mechanically controlled break junction (MCBJ) setup and characterized using inelastic electron tunneling spectroscopy and quantum chemical calculations.

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11

Grace, Iain M., Gunnar Olsen, Juan Hurtado-Gallego, Laura Rincón-García, Gabino Rubio-Bollinger, Martin R. Bryce, Nicolás Agraït i Colin J. Lambert. "Connectivity dependent thermopower of bridged biphenyl molecules in single-molecule junctions". Nanoscale 12, nr 27 (2020): 14682–88. http://dx.doi.org/10.1039/d0nr04001k.

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We report measurements on gold|single-molecule|gold junctions, using a modified scanning tunneling microscope-break junction (STM-BJ) technique, of the Seebeck coefficient and electrical conductance of a series of bridged biphenyl molecules.

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12

Fu, Tianren, Shanelle Smith, María Camarasa-Gómez, Xiaofang Yu, Jiayi Xue, Colin Nuckolls, Ferdinand Evers, Latha Venkataraman i Sujun Wei. "Enhanced coupling through π-stacking in imidazole-based molecular junctions". Chemical Science 10, nr 43 (2019): 9998–10002. http://dx.doi.org/10.1039/c9sc03760h.

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We demonstrate that imidazole based π–π stacked dimers form strong and efficient conductance pathways in single-molecule junctions using the scanning-tunneling microscope-break junction (STM-BJ) technique and density functional theory-based calculations.

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13

Humayun, Q., i U. Hashim. "A Brief Review of the Current Technologies Used for the Fabrication of Metal-Molecule-Metal Junction Electrodes". Advanced Materials Research 626 (grudzień 2012): 867–77. http://dx.doi.org/10.4028/www.scientific.net/amr.626.867.

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Fabrication techniques for Metal-molecule-metal junction electrodes suitable to study electron tunneling through metal junctions are reviewed. The applications of current technologies such as mechanical break junction, electromigration, shadow mask lithography, focused ion beam deposition, chemical and electrochemical plating, electron-beam lithography, in fabricating vacant junction electrodes are briefly described. For biomolecular sensing applications, the size of the junction electrodes must be small enough to allow the biomolecule inserted into the junction space to connect both leads to keep the molecules in a relaxed and undistorted state. A significant advantage of using Metal-molecule-metal junction electrodes devices is that the junction can be characterized with and without the molecule in place. Any electrical artifacts introduced by the electrode fabrication process are more easily deconvoluted from the intrinsic properties of the molecule.

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14

Gokhfeld, D. M., D. A. Balaev, K. A. Shaikhutdinov, S. I. Popkov i M. I. Petrov. "Andreev reflections in a Bi1.8Pb0.3Sr1.9Ca2Cu3Ox break junction". Physics of Metals and Metallography 101, S1 (lipiec 2006): S27—S28. http://dx.doi.org/10.1134/s0031918x06130096.

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15

Becherer, Th, J. Kowalewski, M. Schmitt, M. Huth, W. Assmus i H. Adrian. "Break junction tunnelling on Bi2Sr2CaCu2O8+?-single crystals". Zeitschrift f�r Physik B Condensed Matter 86, nr 1 (luty 1992): 23–27. http://dx.doi.org/10.1007/bf01323542.

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16

Petrov, D. K., p. F. Ren, C. A. pang, J. H. pang i M. J. Naughton. "Break junction tunneling in high temperature superconductors". Applied Superconductivity 2, nr 10-12 (październik 1994): 729–34. http://dx.doi.org/10.1016/0964-1807(94)90073-6.

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17

Harvey, I. K., R. A. Binks i R. Driver. "rf break‐junction SQUID’s at 77 K". Applied Physics Letters 52, nr 19 (9.05.1988): 1634–35. http://dx.doi.org/10.1063/1.99707.

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18

Yamada, Ryo, Motoki Noguchi i Hirokazu Tada. "Magnetoresistance of single molecular junctions measured by a mechanically controllable break junction method". Applied Physics Letters 98, nr 5 (31.01.2011): 053110. http://dx.doi.org/10.1063/1.3549190.

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19

Foss, Henriette M., Kenneth J. Hillers i Franklin W. Stahl. "The Conversion Gradient at HIS4 of Saccharomyces cerevisiae. II. A Role for Mismatch Repair Directed by Biased Resolution of the Recombinational Intermediate". Genetics 153, nr 2 (1.10.1999): 573–83. http://dx.doi.org/10.1093/genetics/153.2.573.

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Abstract Salient features of recombination at ARG4 of Saccharomyces provoke a variation of the double-strand-break repair (DSBR) model that has the following features: (1) Holliday junction cutting is biased in favor of strands upon which DNA synthesis occurred during formation of the joint molecule (this bias ensures that cutting both junctions of the joint-molecule intermediate arising during DSBR usually leads to crossing over); (2) cutting only one junction gives noncrossovers; and (3) repair of mismatches that are semirefractory to mismatch repair and/or far from the DSB site is directed primarily by junction resolution. The bias in junction resolution favors restoration of 4:4 segregation when such mismatches and the directing junction are on the same side of the DSB site. Studies at HIS4 confirmed the predicted influence of the bias in junction resolution on the conversion gradient, type of mismatch repair, and frequency of aberrant 5:3 segregation, as well as the predicted relationship between mismatch repair and crossing over.

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20

Leary, Edmund, Cécile Roche, Hua-Wei Jiang, Iain Grace, M. Teresa González, Gabino Rubio-Bollinger, Carlos Romero-Muñiz i in. "Detecting Mechanochemical Atropisomerization within an STM Break Junction". Journal of the American Chemical Society 140, nr 2 (4.01.2018): 710–18. http://dx.doi.org/10.1021/jacs.7b10542.

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21

Ekino, Toshikazu, Kouhei Nagasaka, Yuta Sakai, Akira Sugimoto i Alexander M. Gabovich. "Break-junction Tunneling Spectroscopy of Superconducting FeSexTe1-x". Physics Procedia 65 (2015): 65–68. http://dx.doi.org/10.1016/j.phpro.2015.05.123.

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22

Ekino, Toshikazu, Toshiro Takabatake i Hironobu Fujii. "Break-junction measurements of CeNiSn under magnetic fields". Physica B: Condensed Matter 230-232 (luty 1997): 635–37. http://dx.doi.org/10.1016/s0921-4526(96)00726-0.

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23

van der Post, N., i J. M. van Ruitenbeek. "High stability STM made of a break junction". Czechoslovak Journal of Physics 46, S5 (maj 1996): 2853–54. http://dx.doi.org/10.1007/bf02570413.

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24

Szyja, Bartłomiej M., Huu Chuong Nguyen, Daniel Kosov i Nikos L. Doltsinis. "Conformation-dependent conductance through a molecular break junction". Journal of Molecular Modeling 19, nr 10 (27.02.2013): 4173–80. http://dx.doi.org/10.1007/s00894-013-1794-z.

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25

Kaneko, Satoshi, Ryoji Takahashi, Shintaro Fujii, Tomoaki Nishino i Manabu Kiguchi. "Controlling the formation process and atomic structures of single pyrazine molecular junction by tuning the strength of the metal–molecule interaction". Physical Chemistry Chemical Physics 19, nr 15 (2017): 9843–48. http://dx.doi.org/10.1039/c6cp08862g.

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26

Weinstock, David M., Beth Elliott i Maria Jasin. "A model of oncogenic rearrangements: differences between chromosomal translocation mechanisms and simple double-strand break repair". Blood 107, nr 2 (15.01.2006): 777–80. http://dx.doi.org/10.1182/blood-2005-06-2437.

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AbstractRecurrent reciprocal translocations are present in many hematologic and mesenchymal malignancies. Because significant sequence homology is absent from translocation breakpoint junctions, non-homologous end-joining (NHEJ) pathways of DNA repair are presumed to catalyze their formation. We developed translocation reporters for use in mammalian cells from which NHEJ events can be selected after precise chromosomal breakage. Translocations were efficiently recovered with these reporters using mouse cells, and their breakpoint junctions recapitulated findings from oncogenic translocations. Small deletions and microhomology were present in most junctions; insertions and more complex events also were observed. Thus, our reporters model features of oncogenic rearrangements in human cancer cells. A homologous sequence at a distance from the break site affected the translocation junction without substantially altering translocation frequency. Interestingly, in a direct comparison, the spectrum of translocation breakpoint junctions differed from junctions derived from repair at a single chromosomal break, providing mechanistic insight into translocation formation. (Blood. 2006;107:777-780)

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27

Wang, Kun, Joseph Hamill, Jianfeng Zhou, Cunlan Guo i Bingqian Xu. "Measurement and control of detailed electronic properties in a single molecule break junction". Faraday Discuss. 174 (2014): 91–104. http://dx.doi.org/10.1039/c4fd00080c.

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The lack of detailed experimental controls has been one of the major obstacles hindering progress in molecular electronics. While large fluctuations have been occurring in the experimental data, specific details, related mechanisms, and data analysis techniques are in high demand to promote our physical understanding at the single-molecule level. A series of modulations we recently developed, based on traditional scanning probe microscopy break junctions (SPMBJs), have helped to discover significant properties in detail which are hidden in the contact interfaces of a single-molecule break junction (SMBJ). For example, in the past we have shown that the correlated force and conductance changes under the saw tooth modulation and stretch–hold mode of PZT movement revealed inherent differences in the contact geometries of a molecular junction. In this paper, using a bias-modulated SPMBJ and utilizing emerging data analysis techniques, we report on the measurement of the altered alignment of the HOMO of benzene molecules with changing the anchoring group which coupled the molecule to metal electrodes. Further calculations based on Landauer fitting and transition voltage spectroscopy (TVS) demonstrated the effects of modulated bias on the location of the frontier molecular orbitals. Understanding the alignment of the molecular orbitals with the Fermi level of the electrodes is essential for understanding the behaviour of SMBJs and for the future design of more complex devices. With these modulations and analysis techniques, fruitful information has been found about the nature of the metal–molecule junction, providing us insightful clues towards the next step for in-depth study.

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28

Chin, Jit Kai. "STUDY OF LIQUID-LIQUID SLUG BREAK UP MECHANISM IN A MICROCHANNEL T-JUNCTION AT VARIOUS MODIFIED WEBER NUMBER". IIUM Engineering Journal 12, nr 2 (18.10.2011): 111–22. http://dx.doi.org/10.31436/iiumej.v12i2.70.

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The formation of immiscible liquid droplets, or slugs, in microchannels features the advantages of volume control and mixing enhancement over single-phase microflows. Although the applications of droplet-based microfluidics have been widely demonstrated, the fundamental physics governing droplet break-up remains an area of active research. This study defines an effective Weber (Weeff) number that characterizes the interplay of interfacial tension, shear stress and channel pressure drop in driving slug formation in T-junction microchannel for a relative range of low, intermediate and high flow rates. The immiscible fluid system in this study consists of Tetradecane slug formation in Acetonitrile. The progressive deformation of slug interfaces during break-up events is observed. Experimental results indicate that, at a relatively low Weeff, clean slug break-up occurs at the intersection of the side and main channels. At intermediate Weeff, the connecting neck of the dispersed phase is stretched to a short and thin trail of laminar flow prior to breaking up a short distance downstream of the T-junction. At a relatively high Weeff, the connecting neck develops into a longer and thicker trail of laminar flow that breaks up further downstream of the main channel.

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29

Taniguchi, Masateru, Makusu Tsutsui, Kazumichi Yokota i Tomoji Kawai. "Inelastic electron tunneling spectroscopy of single-molecule junctions using a mechanically controllable break junction". Nanotechnology 20, nr 43 (2.10.2009): 434008. http://dx.doi.org/10.1088/0957-4484/20/43/434008.

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Li, Yu, Satoshi Kaneko, Shintaro Fujii, Tomoaki Nishino i Manabu Kiguchi. "Atomic structure of water/Au, Ag, Cu and Pt atomic junctions". Physical Chemistry Chemical Physics 19, nr 6 (2017): 4673–77. http://dx.doi.org/10.1039/c6cp07549e.

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31

Perrin, Mickael L., Christian A. Martin, Ferry Prins, Ahson J. Shaikh, Rienk Eelkema, Jan H. van Esch, Jan M. van Ruitenbeek, Herre S. J. van der Zant i Diana Dulić. "Charge transport in a zinc–porphyrin single-molecule junction". Beilstein Journal of Nanotechnology 2 (18.10.2011): 714–19. http://dx.doi.org/10.3762/bjnano.2.77.

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We have investigated charge transport in ZnTPPdT–Pyr (TPPdT: 5,15-di(p-thiolphenyl)-10,20-di(p-tolyl)porphyrin) molecular junctions using the lithographic mechanically controllable break-junction (MCBJ) technique at room temperature and cryogenic temperature (6 K). We combined low-bias statistical measurements with spectroscopy of the molecular levels in the form of I(V) characteristics. This combination allows us to characterize the transport in a molecular junction in detail. This complex molecule can form different junction configurations, having an observable effect on the trace histograms and the current–voltage (I(V)) measurements. Both methods show that multiple, stable single-molecule junction configurations can be obtained by modulating the interelectrode distance. In addition we demonstrate that different ZnTPPdT–Pyr junction configurations can lead to completely different spectroscopic features with the same conductance values. We show that statistical low-bias conductance measurements should be interpreted with care, and that the combination with I(V) spectroscopy represents an essential tool for a more detailed characterization of the charge transport in a single molecule.

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32

Yang, Yang, Zhaobin Chen, Junyang Liu, Miao Lu, Dezhi Yang, Fangzu Yang i Zhongqun Tian. "An electrochemically assisted mechanically controllable break junction approach for single molecule junction conductance measurements". Nano Research 4, nr 12 (30.09.2011): 1199–207. http://dx.doi.org/10.1007/s12274-011-0170-5.

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Magyarkuti, András, Nóra Balogh, Zoltán Balogh, Latha Venkataraman i András Halbritter. "Unsupervised feature recognition in single-molecule break junction data". Nanoscale 12, nr 15 (2020): 8355–63. http://dx.doi.org/10.1039/d0nr00467g.

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A combined principal component and neural network analysis serves as an efficient tool for the unsupervised recognition of unobvious but highly relevant trace classes in single-molecule break junction data.

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34

Isshiki, Yuji, Shintaro Fujii, Tomoaki Nishino i Manabu Kiguchi. "Selective formation of molecular junctions with high and low conductance states by tuning the velocity of electrode displacement". Physical Chemistry Chemical Physics 22, nr 8 (2020): 4544–48. http://dx.doi.org/10.1039/c9cp06487g.

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35

Lv, Shan-Ling, Cong Zeng, Zhou Yu, Ju-Fang Zheng, Ya-Hao Wang, Yong Shao i Xiao-Shun Zhou. "Recent Advances in Single-Molecule Sensors Based on STM Break Junction Measurements". Biosensors 12, nr 8 (26.07.2022): 565. http://dx.doi.org/10.3390/bios12080565.

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Single-molecule recognition and detection with the highest resolution measurement has been one of the ultimate goals in science and engineering. Break junction techniques, originally developed to measure single-molecule conductance, recently have also been proven to have the capacity for the label-free exploration of single-molecule physics and chemistry, which paves a new way for single-molecule detection with high temporal resolution. In this review, we outline the primary advances and potential of the STM break junction technique for qualitative identification and quantitative detection at a single-molecule level. The principles of operation of these single-molecule electrical sensing mainly in three regimes, ion, environmental pH and genetic material detection, are summarized. It clearly proves that the single-molecule electrical measurements with break junction techniques show a promising perspective for designing a simple, label-free and nondestructive electrical sensor with ultrahigh sensitivity and excellent selectivity.

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36

Kambara, Hiroshi, Yūki Obinata, Kenichi Tenya i Hiroyuki Tsujii. "Local conductance spectra of itinerant ferromagnetic SrRuO3through break junction". Japanese Journal of Applied Physics 55, nr 9 (18.08.2016): 093004. http://dx.doi.org/10.7567/jjap.55.093004.

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37

Gemma, Andrea, Anel Zulji, Femke Hurtak, Shadi Fatayer, Achim Kittel, Michel Calame i Bernd Gotsmann. "Ultra-stable dry cryostat for variable temperature break junction". Review of Scientific Instruments 92, nr 12 (1.12.2021): 123704. http://dx.doi.org/10.1063/5.0064107.

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38

Zhou, C., C. J. Muller, M. R. Deshpande, J. W. Sleight i M. A. Reed. "Microfabrication of a mechanically controllable break junction in silicon". Applied Physics Letters 67, nr 8 (21.08.1995): 1160–62. http://dx.doi.org/10.1063/1.114994.

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Sakai, Masatoshi, Hiroshi Yamauchi, Masakazu Nakamura i Kazuhiro Kudo. "Fabrication of organic conductive wires and molecular break junction". Journal of Physics: Conference Series 358 (18.04.2012): 012011. http://dx.doi.org/10.1088/1742-6596/358/1/012011.

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40

Ekino, Toshikazu, Akira Sugimoto, Hirotaka Okabe, Kazuhiro Shohara, Ryuichi Ukita, Jun Akimitsu i Alexander M. Gabovich. "Tunneling break-junction spectroscopy on the superconductor NdFeAs(O0.9F0.1)". Physica C: Superconductivity and its Applications 470 (grudzień 2010): S358—S359. http://dx.doi.org/10.1016/j.physc.2009.10.079.

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Kambara, H., S. Kashiwaya, H. Kashiwaya, Y. Tanaka i Y. Maeno. "Local transport characteristics of break junction in Sr2RuO4 microbridge". Physica C: Superconductivity and its Applications 471, nr 21-22 (listopad 2011): 708–10. http://dx.doi.org/10.1016/j.physc.2011.05.033.

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42

Moreland, J., J. W. Ekin, L. F. Goodrich, T. E. Capobianco, A. F. Clark, J. Kwo, M. Hong i S. H. Liou. "Break-junction tunneling measurements of the high-TcsuperconductorY1Ba2Cu3O9−δ". Physical Review B 35, nr 16 (1.06.1987): 8856–57. http://dx.doi.org/10.1103/physrevb.35.8856.

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Ekino, Toshikazu, Akira Sugimoto, Satoshi Hino, Kazuhiro Shobara i Alexander M. Gabovich. "Semiconducting gap of Nd1.85Ce0.15CuO4revealed by break-junction tunnelling spectroscopy". Journal of Physics: Conference Series 150, nr 5 (1.03.2009): 052046. http://dx.doi.org/10.1088/1742-6596/150/5/052046.

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Kuzmichev, S. A., T. E. Shanygina, I. V. Morozov, A. I. Boltalin, M. V. Roslova, S. Wurmehl i B. Büchner. "Investigation of LiFeAs by means of “break-junction” technique". JETP Letters 95, nr 10 (lipiec 2012): 537–43. http://dx.doi.org/10.1134/s0021364012100086.

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D'YACHENKO, A. I., V. YU TARENKOV, M. A. BELOGOLOVSKII, V. N. VARYUKHIN, A. V. ABAL'OSHEV i S. J. LEWANDOWSKI. "POINT-CONTACT SPECTROSCOPY OF MAGNESIUM DIBORIDE WITH DIFFERENT COUNTER-ELECTRODES". Modern Physics Letters B 17, nr 27n28 (30.11.2003): 1405–16. http://dx.doi.org/10.1142/s0217984903006505.

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We report on tunneling and Andreev-reflection conductance spectra of 39 K superconducting magnesium diboride, obtained with Pb and Au counter-electrodes. Two distinct steps at close to 2.7 and 7.1 meV appear in a low-resistance metallic-type Au–MgB 2 junction characteristic, whereas a tunneling-like spectrum measured for the same junction, annealed by the application of DC current, exhibits only a rounded contribution of the larger gap. Junctions with a superconducting lead counter-electrode pressed into a bulk MgB 2 sample reveal two conductance peaks that are interpreted as the result of the formation of a highly-transmitting break junctions inside the magnesium diboride ceramic. Our results strongly support the two-band model with two different gap values on quasi-two-dimensional σ (7.1 meV) and three-dimensional π (2.7 meV) Fermi surface sheets of MgB 2.

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Kaneko, S., D. Murai, Sh Fujii i M. Kiguchi. "Surface enhanced Raman scattering of single 1,4-Benzenedithiol molecular junction". International Journal of Modern Physics B 30, nr 13 (19.05.2016): 1642010. http://dx.doi.org/10.1142/s0217979216420108.

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Here, we present simultaneous electronic and optical measurements of a single 1,4-benzenedithiol (BDT) molecular junctions to investigate the electronic and structural details in the molecular junction and to understand the charge transport property at the single molecular scale. The electronic property was investigated by DC conductance measurement while structural property was characterized using surface enhanced Raman scattering (SERS) measurement. The single BDT junctions sandwiched between Au nanogap-electrodes were prepared by the mechanically controllable break junction method at ambient conditions. The simultaneous conductance and SERS measurements demonstrate that ring deformation mode coupled to C–S stretching mode, ring breathing mode, and C=C stretching mode are detectable for the single BDT molecular junctions with electronic conductance of [Formula: see text] [Formula: see text]. The single molecule origin is supported by the characteristic variability of SERS within samples. Time evolution of the conductance and SERS signals indicated that the molecular conductance and the vibrational energy of the ring breathing mode exhibits anti-correlated relationship. This relationship can be mediated by time evolution of structural change in the single molecular junction and corresponding change in strength of metal–molecular coupling. The larger metal–molecular coupling causes higher electronic conductance of the molecular junction while charge transfer effect leads to weakening of molecular bonds and thus a resulting decrease in the vibration energy of the ring breathing mode.

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Kiguchi, M., N. Sekiguchi i K. Murakoshi. "In-situ preparation of a single molecular junction with mechanically controllable break junctions in vacuum". Journal of Physics: Conference Series 100, nr 5 (1.03.2008): 052059. http://dx.doi.org/10.1088/1742-6596/100/5/052059.

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Zhang, Zheng, Yi Zhang, Guanmin Zhang i Maocheng Tian. "The bubble breakup process and behavior in T-type microchannels". Physics of Fluids 35, nr 1 (styczeń 2023): 013319. http://dx.doi.org/10.1063/5.0131748.

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A double T-type microchannel consisting of two T-junctions is used as the base unit of tree-like microchannels. Studying the breakup process and behavior of bubbles in T-type microchannels can help enhance the capability of microfluidic systems and microchannel heat exchangers. In this study, the bubble breakup process in a double T-type microchannel was simulated using a volume of fluid model via numerical simulation. The simulation results show a total of five regimes of bubble breakup with capillary numbers between 0.001 and 0.008 and dimensionless bubble lengths between 1 and 9, which are the non-breakup, “tunnel” breakup, obstructed breakup, merging symmetric breakup, and merging non-breakup. These five breakup regimes were studied in detail. At a high velocity of the gas phase and with a small size of the generated bubble, the bubble does not break up. Symmetric breakup regimes can be divided into two regimes: tunnel breakup and obstructed breakup. Shear force plays a significant role in the tunnel breakup regime. The obstructed breakup regime is mainly caused by the increase in pressure at the T-junction, which elongates and makes the bubble break up. In the merging symmetrical breakup regime, the bubble has a tunnel breakup process at the beginning. The shear force is small and cannot break up the bubble. The merged bubble breaks up under the action of the obstructed breakup regime. Bubbles are in the merging non-breakup regime mainly because they are too long to break up.

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Park, Yubin, i Shanhui Fan. "Does non-reciprocity break the Shockley–Queisser limit in single-junction solar cells?" Applied Physics Letters 121, nr 11 (12.09.2022): 111102. http://dx.doi.org/10.1063/5.0118129.

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The efficiency of single-junction solar cells is bounded by the Shockley–Queisser limit of 41%. However, standard derivation for this limit constrains the system to be reciprocal, and what non-reciprocity can bring for single-junction solar cells remains yet to be clarified. Here, we prove that even with non-reciprocity, the ultimate efficiency of single-junction solar cells is still subject to the Shockley–Queisser limit. We show that the Shockley–Queisser limit does not rely on the detailed balance, but rather is a consequence of the integrated balance between the absorption and emission processes, as required by the second law of thermodynamics.

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Beall, Edward, Xing Yin, David H. Waldeck i Emil Wierzbinski. "A scanning tunneling microscope break junction method with continuous bias modulation". Nanoscale 7, nr 36 (2015): 14965–73. http://dx.doi.org/10.1039/c5nr04649a.

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