Relevant bibliographies by topics / Break junction

Academic literature on the topic 'Break junction'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 March 2023

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Journal articles on the topic "Break junction"

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Laible, Florian, Kai Braun, Otto Hauler, Martin Eberle, Dieter P. Kern, Alfred J. Meixner, and Monika Fleischer. "A flexible platform for controlled optical and electrical effects in tailored plasmonic break junctions." Nanophotonics 9, no. 6 (May 4, 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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Fu, Tianren, Kathleen Frommer, Colin Nuckolls, and Latha Venkataraman. "Single-Molecule Junction Formation in Break-Junction Measurements." Journal of Physical Chemistry Letters 12, no. 44 (November 1, 2021): 10802–7. http://dx.doi.org/10.1021/acs.jpclett.1c03160.

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Huang, Cancan, Alexander V. Rudnev, Wenjing Hong, and Thomas Wandlowski. "Break junction under electrochemical gating: testbed for single-molecule electronics." Chemical Society Reviews 44, no. 4 (2015): 889–901. http://dx.doi.org/10.1039/c4cs00242c.

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Schmidt, H., J. F. Zasadzinski, K. E. Gray, and D. G. Hinks. "Break-junction tunneling on MgB2." Physica C: Superconductivity 385, no. 1-2 (March 2003): 221–32. http://dx.doi.org/10.1016/s0921-4534(02)02317-1.

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

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Zotti, Bednarz, Hurtado-Gallego, Cabosart, Rubio-Bollinger, Agrait, and van der Zant. "Can One Define the Conductance of Amino Acids?" Biomolecules 9, no. 10 (October 7, 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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Bei, Zhongwu, Yuan Huang, Yangwei Chen, Yiping Cao, and Jin Li. "Photo-induced carbocation-enhanced charge transport in single-molecule junctions." Chemical Science 11, no. 23 (2020): 6026–30. http://dx.doi.org/10.1039/d0sc00505c.

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Wang, Ling, Zhikai Zhao, and Dong Xiang. "On-Chip Break Junctions and Period-Adjustable Grating Driven by Thermal Stress." Nano 12, no. 11 (November 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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GIUBILEO, F., F. BOBBA, A. M. CUCOLO, and A. I. AKIMENKO. "TEMPERATURE DEPENDENCE OF GAP RELATED STRUCTURES IN YBa2Cu3O7-δ BREAK JUNCTIONS." International Journal of Modern Physics B 14, no. 25n27 (October 30, 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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Mitra, Gautam, Vincent Delmas, Hassan Al Sabea, Lucie Norel, Olivier Galangau, Stéphane Rigaut, Jérôme Cornil, Karine Costuas, and Elke Scheer. "Electronic transport through single-molecule oligophenyl-diethynyl junctions with direct gold–carbon bonds formed at low temperature." Nanoscale Advances 4, no. 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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Dissertations / Theses on the topic "Break junction"

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Xiang, Dong [Verfasser]. "Fabrication and utilization of mechanically controllable break junction for bioelectronics / Dong Xiang." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2012. http://d-nb.info/1023017288/34.

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Saaty, Kara. "Design of a Mechanically Controllable Break Junction to Measure Quantum Conductance of Gold." Thesis, The University of Arizona, 2013. http://hdl.handle.net/10150/314645.

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A mechanically controllable break junction setup was designed, constructed and characterized. The mechanically controllable break junction technique is commonly used for measurement of quantum conductance of metals and single molecule conductance. The technique relies on resistance to external vibrations disrupting the atomic or molecular junctions formed and should be in a low electronic noise environment. Through a series of experiments the setup was found to have high mechanical stability and low electronic noise. The quantum conductance of gold was measured repeatedly and a histogram was plotted showing good agreement with the literature. The results indicate that with modifications, the setup can be used to measure the conductance of single molecule junctions and single molecule thermoelectric properties.
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ETHIRAJ, SINDUJA. "Cell-Cell Junction Signaling Regulating DNA Double-Strand Break Repair In Breast Cells." VCU Scholars Compass, 2010. http://scholarscompass.vcu.edu/etd/132.

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Genomic instability and acquisition of invasiveness through the basement membrane extracellular matrix (ECM) are two major processes for epithelial cell malignancy in breast cancer. DNA double-strand break repair (DSBR) is one of the processes that get misregulated during breast cancer progression. In addition, radiation induced breaks such as those induced during radiation therapy to treat breast cancer patients are repaired by DSBR, rendering this pathway relevant for therapy as well. DSBR can occur either by homologous recombination (HR) or non-homologous end-joining (NHEJ). HR is accepted as the more error-free pathway. HR is regulated by the cell cycle status such that an increase is observed in G2/M, whereas NHEJ is observed throughout the cell cycle. Previous data show that ECM signaling regulates HR, as well as the kinetics of ionizing radiation (IR) induced complex formation at break sites, or foci kinetics. Both human breast epithelial cell lines and primary mouse mammary epithelial cells were used to show that the ECM receptor β1-integrin is necessary and sufficient in down regulating HR, as well as IR induced foci formation kinetics for the DSBR proteins RAD51, MRE11, and γ-H2AX in single mammary epithelial cells. RAD51 is required for most HR, whereas MRE11 and γ-H2AX function in HR as well as DNA damage signaling. Interestingly, ECM signaling up-regulates HR in cells that have “correct” in vivo-like cell-cell junctions. Based on the observation that single cells and junctioned cells respond to ECM in exact opposite manner, I hypothesized that ECM signaling may interact with cell-cell junction signaling pathways in regulating DNA repair. To test this hypothesis, I asked whether the main breast epithelial adherens junction cadherin, E-cadherin, is involved. I blocked E-cadherin function using a monoclonal antibody MB2. The function blocking was demonstrated by the loss of cell-cell junction interactions and observation of increased cell scattering using phase microscopy. I then asked whether blocking E-cadherin altered the expression and localization of proteins related to DNA repair. Indirect immuno-fluorescence showed that in the E-cadherin blocked non-tumorigenic breast epithelial cell line HMT-3522 S1 there is an up-regulation of nuclear γ-H2AX and RAD51, as well as an increase in the proliferation marker Ki67. In non-proliferative MB2 blocked cells there is an upregulation of γ-H2AX and reduced Ki67. Furthermore, in these proliferative and non-proliferative blocked cells we were able to see lower levels of β-catenin near the cell membrane and an increase in its levels inside the cell especially in the nucleus. The latter has been confirmed also by western blot technique comparing the nuclear and cytoplasmic fraction expression. In addition, western blots showed that total RAD51 level was down-regulated by E-cadherin blocking and γ-H2AX levels were found to be higher in proliferative and non-proliferative MB2 treated cells. MB2 treated cells have a higher frequency of HR in the absence of ECM and in the presence of ECM, MB2 blocking abolishes the ECM effect on HR. Furthermore, in the absence of ECM, RAD51 siRNA treated cells down-regulated HR but the absence of RAD51 did not down regulate HR in the presence of ECM. I was not able to see any difference in the phosphorylated forms of β-catenin such as Tyr-142, Ser-45 and Tyr-86 that has the ability to enter into the nucleus. Therefore, E-cadherin was found to block nuclear β-catenin, RAD51 and γ-H2AX in a proliferation-independent manner. E-cadherin also was necessary for ECM to up-regulate HR. The up-regulation of HR by ECM was only slightly dependent on RAD51 suggesting a novel E-cadherin-dependent and RAD51-independent HR component in breast epithelial cells in contact with ECM as they are in vivo in the normal breast tissue. These experiments will help us to understand the role of E-cadherin and β-catenin in DNA double-stand break repair directly, as well as in combination with ECM signaling. Both alterations in integrin mediated signaling and cell-cell junction integrity contribute to breast cancer progression by rendering breast epithelial cells more invasive. My project will shed light on whether these invasive processes also alter DNA repair and contribute to genome stability. Understanding of the interrelationships among integrin signaling, cell-cell junctions, and genome stability will contribute to understanding normal breast cell processes and open up investigations on how these may go awry in cancer progression.
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Shimizu, Naoto. "The MRE11 nuclease promotes homologous recombination not only in DNA double-strand break resection but also in post-resection in human TK6 cells." Doctoral thesis, Kyoto University, 2021. http://hdl.handle.net/2433/263552.

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付記する学位プログラム名: 充実した健康長寿社会を築く総合医療開発リーダー育成プログラム
京都大学
新制・課程博士
博士(医学)
甲第23091号
医博第4718号
京都大学大学院医学研究科医学専攻
(主査)教授 篠原 隆司, 教授 増永 慎一郎, 教授 小川 誠司
学位規則第4条第1項該当
Doctor of Medical Science
Kyoto University
DFAM
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Soukup, Randal J. "The roles of hMSH4-hMSH5 and hMLH1-hMLH3 in meiotic double strand break repair." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1480641841905001.

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MOTTA, CARLO. "First-principles study of electronic transport in organic molecular junctions." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2013. http://hdl.handle.net/10281/40094.

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This thesis focuses on the theoretical description of coherent electronic transport in organic molecular junctions. The ab-initio theoretical methods and the theory of quantum transport in nanoscale systems are presented. The Landauer theory of transport formulated in terms of Green's function is analyzed by means of the embedding theory for a simplified model in which electrons are considered as moving in a one-dimensional modulated potential introduced to simulate resonant tunneling junctions. Following the introductory section, relevant systems of interest from both basic and technology points of view are investigated. The transport properties of two-dimensional graphene/graphene-nanoribbon (GNR) heterojunctions are shown to critically depend upon the geometrical features of the GNR. Diarylethene junctions with graphene electrodes are comprehensively analyzed, with emphasis on the photoswitching properties of the system. The use of graphene electrodes can improve the performance of such switching junctions as compared with the use of other substrates. A full characterization of a platinum/pyrazine bistable junction studied in a recent experiment is then established. The switching mechanism has been determined as a result of a molecule-lead configurational rearrangement. A final section is devoted to the description of a new methodology to calculate the elastic lifetimes of electronic states of adsorbates on surfaces. The method has been applied to dye molecules on TiO2 substrates, which are relevant for photovoltaics applications. The effects of modification of the spacers between the acceptor and donor part of the dyes are analyzed.
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Xing, Yangjun. "Measurement and Visualization of Electron Transfer at the Single Molecule Level." Diss., Temple University Libraries, 2009. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/47725.

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Chemistry
Ph.D.
Molecular electronics based on bottom-up electronic circuit design is a potential solution to meet the continuous need to miniaturize electronic devices. The development of highly conductive molecular wires, especially for long distance charge transfer, is a major milestone in the molecular electronics roadmap. A challenge presented by single molecule conductance is to define the relative influence of the molecular "core" and the molecular "interconnects" on the observed currents. Much focus has been placed on designing conductive, conjugated molecules. However, the electrode-molecule contacts can dominate the responses of metal-molecule-metal devices. We have experimentally and theoretically probed charge transfer through single phenyleneethynylene molecules terminated with thiol and carbodithioate linkers, using STM break-junction and non-equilibrium Green's function methods. The STM break-junction method utilizes repeatedly formed circuits where one or a few molecules are trapped between two electrodes, at least one of which has nanoscale dimensions. The statistical analysis of thousands of measurements yields the conductance of single molecules. Experimental data demonstrate that the carbodithioate linker not only augments electronic coupling to the metal electrode relative to thiol, but reduces the barrier to charge injection into the phenyleneethynylene bridge. The theoretical analysis shows that sulfur hybridization provides the genesis for the order-of-magnitude increased conductance in carbodithioate-terminated systems relative to those that feature the thiol linker. Collectively, these data emphasize the promising role for carbodithioate-based connectivity in molecular electronics applications involving metallic and semi-conducting electrodes. One of the strategies for building molecular wires that can transfer charge over long distance is to incorporate metal ions into the conductive molecular core. Peptide nucleic acid (PNA) is a great candidate for this purpose. Studying the conductivity of PNA can not only contribute to a better understanding of charge transfer through biomolecules, but can also help develop better molecular wires and other building blocks of molecular electronics. We study the charge transfer of PNA molecules using the STM break-junction technique and compare with traditional macroscopic voltammetric measurements. By measuring the resistance of different PNA molecules, we hope to develop a deep understanding of how charge transport though PNA is affected by factors such as the number and type of natural and artificial bases, embedded metal ions, pH, etc. Self-assembled monolayers (SAMs) of porphyrins are of great interest due to their diverse applications, including molecular devices, nano-templates, electrocatalysis, solar cells, and photosynthesis. We combined a molecular level study of the redox reactions using electrochemical scanning tunneling microscopy (EC-STM) with a macroscopic electrochemical technique, cyclic voltammetry (CV), to study two redox active porphyrin molecules, TPyP (5,10,15,20-Tetra(4-Pyridyl)-21H,23H-Porphine) and 5, 10, 15, 20-tetrakis (4-carboxylphenyl)-21H, 23H-porphine (TCPP). We showed that the adsorbed oxidized TPyP molecules slowly change to brighter contrast, consistent with the appearance of the reduced form of TPyP, under reduction condition (0.0VSCE). The time scale of the slow reduction is in the order of tens of minutes at 0.0VSCE, but accelerates at more negative potentials. We propose that protonation and deprotonation processes play an important role in the surface redox reaction due to geometric restriction of the molecules adsorbed on the surface. EC-STM and CV experiments were performed at various pH values to investigate the mechanism of this anomalously slow redox reaction. Our results show that the increased concentration of H+ hinders the reduction of porphyrins, a feature that has not been reported preciously. This provides insight into the details of the surface redox reaction.
Temple University--Theses
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Dai, Zhenting. "Coherent and Dissipative Transport in Metallic Atomic-Size Contacts." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/19880.

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Thin-film niobium mechanically controlled break junctions and resistively shunted niobium mechanically-controlled break junctions were developed and successfully microfabricated. Using these devices, high-stability atomic size contacts were routinely produced and investigated both in the normal and superconducting states. Investigations of the two-level conductance fluctuations in the smallest contacts allowed the calculation of their specific atomic structure. Embedding resistive shunts close to the superconducting atomic-sized junctions affected the coherence of the electronic transport. Finally, point contact spectroscopy measurements provide evidence of the interaction of conduction electrons with the mechanical degrees of freedom of the atomic-size niobium contacts.
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Goodman, Caitlin Elizabeth. "A Novel Method to Analyze DNA Breaks and Repair in Human Cells." Wright State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=wright1525086265360859.

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Roessner, Daniel. "Contribution à l'étude du comportement mécanique des carcasses textiles de bandes transporteuses : optimisation de la jonction." Thesis, Mulhouse, 2010. http://www.theses.fr/2010MULH4553/document.

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La bande transporteuse est utilisée dans l’industrie pour acheminer de la matière ou des objets dans de multiples domaines d’applications tels que les mines souterraines ou aériennes, les carrières, l’industrie alimentaire, l’industrie agricole ou les supermarchés. Ses composants lui permettent de travailler dans des conditions extrêmement difficiles. L’intérêt est porté sur les bandes transporteuses de mines de fond dont les contraintes de fonctionnement et d’acheminement sont particulières. En effet, la bande est acheminée sur rouleaux et jonctionnée sur le site de l’utilisateur pour former une bande sans fin. La jonction est le point faible de la bande transporteuse car sa résistance représente 50% seulement de la force de rupture nominale de la bande. L’objet de cette étude est de proposer une nouvelle solution de jonctionnement.Après avoir analysé les différentes contraintes mécaniques et chimiques auxquelles la bande transporteuse est soumise, une étude comparative sur les différents types de jonctions a été menée.Il y a les jonctions chimiques et les jonctions mécaniques. Chacune a des avantages et des inconvénients en termes de coût ou de longévité, qui ont été présentés. Dans un troisième temps, une étude a été menée sur la compréhension du comportement de rupture de la jonction mécanique. L’étude sur la jonction a été réalisée à l’aide d’un montage expérimental conçu spécifiquement. L’influence des paramètres de la jonction a pu être évaluée grâce à un nouvel indicateur adimensionnel représentant l’efficacité de la jonction par rapport à la bande normale (Junction Tensile Strength Efficiency : JTSE). Dans un quatrième temps, une étude a été faite sur un système de jonction innovant par couture. La jonction réalisée a été testée sur un banc de traction pour en vérifier l’efficacité, puis des essais ont été effectués sur un banc dynamique pour en étudier la fatigue. La jonction cousue est une innovation qui permet de dégager de nouvelles perspectives dans le jonctionnement des bandes transporteuses
The conveyor belt is used as a material and object transportation tool in a lot of industries such as underground mines, quarries, food industries, agribusinesses or supermarkets. The studied subject is the underground mine conveyor belt, because of their transportation and use difficult conditions.Indeed, the conveyor belt must be cut to be dispatched using belt reeling and joined afterwards in the underground mine forming an endless belt. However, the junction is the weakest part of the conveyor belt due to the 50% belt weakening. The aim of this study is to propose a new junction solution. After analysing the underground belt mechanical and chemical use conditions, the different junction types have been analysed. A junction advantage and inconvenience comparison has been presented. Then, the junction mechanical behaviour has been studied using an original mechanical setup reproducing the mechanical junction. The different parameter influence has been evaluated using a new adimensional indicator called junction tensile strength efficiency. In the last part, a new junction solution made by a sewn has been explored. The sewn junction tensile efficiency has been tested on a tensile strength machine and its fatigue efficiency has been verified through dynamic tests. New outlines in the conveyor belt joining are open as a result of the sewn junction solution development
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Book chapters on the topic "Break junction"

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Wang, Lu, Ling Wang, Lei Zhang, and Dong Xiang. "Advance of Mechanically Controllable Break Junction for Molecular Electronics." In Molecular-Scale Electronics, 45–86. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-030-03305-7_2.

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Moreland, John, C. K. Chiang, and L. J. Swartzendruber. "Break Junction Tunneling Spectroscopy of Single-Crystal Bismuth-Based High-Temperature Superconductors." In Advances in Cryogenic Engineering Materials, 619–25. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4613-9880-6_80.

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Ekino, Toshikazu, Yoshie Sezaki, and Hironobu Fujii. "Break-Junction Measurements of the Energy Gap above T c in Bi2Sr2CaCu2O8+δ." In Advances in Superconductivity XI, 177–80. Tokyo: Springer Japan, 1999. http://dx.doi.org/10.1007/978-4-431-66874-9_36.

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Nagasawa, Fumika. "Simultaneous Measurement of Surface-Enhanced Raman Scattering and Conductance Using Mechanically Controllable Break Junction Technique." In Studies on the Plasmon-Induced Photoexcitation Processes of Molecules on Metal Surfaces, 29–36. Tokyo: Springer Japan, 2017. http://dx.doi.org/10.1007/978-4-431-56579-6_3.

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Yoshioka, Hidekazu, Koichi Unami, and Masayuki Fujihara. "1-D Shallow Water Models for Dam Break Flash Floods with Different Junction and Bend Treatments." In Communications in Computer and Information Science, 201–15. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45289-9_18.

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Aminov, B. A., L. I. Leonyuk, T. E. Oskina, H. Piel, Y. G. Ponomarev, H. T. Rachimov, K. Sethupathi, M. V. Sudakova, and D. Wehler. "Single Crystal Break Junctions." In Advances in Superconductivity V, 1037–42. Tokyo: Springer Japan, 1993. http://dx.doi.org/10.1007/978-4-431-68305-6_232.

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Mikhailova, G. N., and M. E. Shabalin. "Single-Particle Tunneling in Break Junctions on BiSrCaCuO:Pb." In Quantum Dynamics of Submicron Structures, 651–54. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0019-9_55.

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Kirchner, S., J. Kroha, and E. Scheer. "Generalized Conductance Sum Rule in Atomic Break Junctions." In Kondo Effect and Dephasing in Low-Dimensional Metallic Systems, 215–18. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0427-5_27.

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Zhou, C., C. J. Muller, M. R. Deshpande, J. McCormack, and M. A. Reed. "Conductance Quantization in Fully Integrated Break Junctions at Room Temperature." In Nanowires, 263–74. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-015-8837-9_20.

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Li, Xiaohui, Duan Hu, Zhibing Tan, Jie Bai, Zongyuan Xiao, Yang Yang, Jia Shi, and Wenjing Hong. "Supramolecular Systems and Chemical Reactions in Single-Molecule Break Junctions." In Molecular-Scale Electronics, 87–105. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-030-03305-7_3.

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Conference papers on the topic "Break junction"

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Jiang, Liming, Md Sharafat Hossain, Wanzhi Qiu, Feras Al-Dirini, Robin Evans, and Efstratios Skafidas. "Gate tunable graphene break junction spin filter." In 2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO). IEEE, 2017. http://dx.doi.org/10.1109/nano.2017.8117462.

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Nguyen, Dat, and Taras Dudar. "Fault Isolation of Soft P-N Junction Break Down Due to Plasma Charging." In ISTFA 2007. ASM International, 2007. http://dx.doi.org/10.31399/asm.cp.istfa2007p0257.

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Abstract The P-N junctions are part of the construction of semiconductor devices. They are formed by the combination of P-type and N-type diffusions. This paper discusses a soft (small early conduction) P-N junction breakdown. The P-N junction in this work is a part of a differential amplifier, which is widely used in analog/mixed signal devices. The paper outlines the test techniques to detect the differential amplifier failure, the circuit analysis (design and simulation), the fault isolation, and the root cause analysis with data from the wafer fabrication process to support plasma charging on the emitter. The real physical defect was not observable. However, with the help of lab data, the failure can be explained as plasma charging.
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Forro, L., D. Mandrus, C. Kendziora, and L. Mihaly. "Break-junction tunneling and infrared spectroscopy on Bi2Sr2CaCu2O8." In Superconductivity and its applications. AIP, 1992. http://dx.doi.org/10.1063/1.42040.

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KIZIL, Ramazan, Mehmet Konyar, and Emre Cetin. "Feedback Controlled Break Junction in Au-Ag-Au Nanowires." In 2018 IEEE 13th Nanotechnology Materials and Devices Conference (NMDC). IEEE, 2018. http://dx.doi.org/10.1109/nmdc.2018.8605840.

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Cheng, Way Lee, Reza Sadr, and Arum Han. "A Comprehensive Study of Asymmetric Micro-Droplet Splitting in T-Junction." In ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ajkfluids2019-5284.

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Abstract Splitting a single droplet into two unequal portions using a microfluidic T-junction has been an important functional feature of many modern lab-on-a-chip devices. A recent study introduced a general criterion for asymmetric droplet break-up in the range of intermediate Capillary numbers. The current work attempts to analyze, in more details, the different underlying mechanisms governing the asymmetric break-up process. In particular, this work focuses on the relationship between the break-up mechanism versus the splitting ratio of the daughter droplets. CFD simulation is used to closely monitor the effect of different fluid properties on the evolution of droplet break-up process. The splitting ratio under different flow conditions is characterized. Four mechanisms for primary droplet break-up are defined as follows: break-up with permanent obstruction, unstable break-up, breakup with tunnels and non-breakup. In particular, the main focus of this study is on the unstable break-up mechanisms where is very likely results to a much-deviated splitting ratio. Typically, yet unexpectedly, the resulting splitting ratio is often larger than the pressure gradient ratio in the T-junction. However, the two ratios are approximately equals to each other under a limited set of flow conditions. It has been observed that the splitting ratio could be more than double the pressure gradient ratio of the T-junction. The break-up is observed to be in the permanent obstruction mode if the splitting ratio is about the same magnitude as the pressure gradient ratio. The effects of the T-junction geometry on the break-up will also be examined.
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Kaur, Milanpreet, Ravinder Singh Sawhney, and Derick Engles. "To evince pure C24 as superconductoring mechanically controllable break junction configuration." In 2013 International Conference on Advanced Nanomaterials and Emerging Engineering Technologies (ICANMEET). IEEE, 2013. http://dx.doi.org/10.1109/icanmeet.2013.6609336.

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Loizou, Katerina, Voon-Loong Wong, Wim Thielemans, and Buddhika Hewakandamby. "Effect of Fluid Properties on Droplet Generation in a Microfluidic T-Junction." In ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fedsm2014-21274.

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Over the last decade, significant work has been performed in an attempt to quantify the effect of different parameters such as flowrate, geometrical and fluid characteristics on the droplet break up mechanism in microfluidic T-Junctions. This demand is dictated by the need of tight control of the size and dispersity of the droplets generated in such geometries. Even though several researchers have investigated the effect of viscosity ratio on both the droplet break up mechanism as well as on the regime transition, fluid properties have not been included in most scaling laws. It is therefore evident that the contribution of fluid properties has not been quantified thoroughly. In the present work, the effect of fluid properties on the volume of droplets generated in a microfluidic T-junction is investigated. The main aim of this work is to examine the influence of viscosity of both the dispersed and continuous phase as well as the effect of interfacial tension on the size of droplet generated along with the break up mechanism. Three different oils have been utilised as continuous phase in this work to enable investigation of the effect of viscosity of the continuous phase with experiments performed at constant Capillary numbers. Various glycerol weight percentages have been employed to vary the viscosity of the dispersed phase fluid (water). Lastly, the effect of interfacial tension has been explored using two of the oils at constant μcUc (viscous force term). High speed imaging has been utilised to visualise and measure the volume of the resulting droplets. The viscosity ratio (viscosity of dispersed phase over viscosity of continuous phase) between the two phases appears to affect the droplet generation mechanism, especially for the highest viscosity ratio employed (mineral oil-water system) where the system behaves in a noticeably different way. Influence of interfacial tension is also noticeable even though less evident. In terms of the effect of viscosity of dispersed phase on the droplet generation a small difference on the volume of the droplets generated in olive oil glycerol systems is also reported. In an attempt to enumerate the effect of fluid properties on the droplet generation mechanism in a microfluidic T-junction, this paper will present supporting evidence in detail on the above and a comparison of the findings with the existing theories.
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Sakai, M., Y. Urabe, H. Yamauchi, M. Nakamura, and K. Kudo. "Field induced selective growth of organic conductive wires and molecular break junction by Joule heating." In 2011 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2011. http://dx.doi.org/10.7567/ssdm.2011.b-2-4.

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MIYAZAKI, H., A. KANDA, Y. OOTUKA, and T. YAMAGUCHI. "SIMPLE AND STABLE CONTROL OF MECHANICAL BREAK JUNCTION FOR THE STUDY OF SUPERCONDUCTING ATOMIC POINT CONTACT." In Proceedings of the 8th International Symposium. WORLD SCIENTIFIC, 2006. http://dx.doi.org/10.1142/9789812773210_0046.

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Taniguchi, Masateru, and Tomoji Kawai. "Development of Gating Nanopores for Next-Generation DNA Sequencing Using Mechanically Controllable Break Junctions." In ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-36014.

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We have developed two types of devices—vertical and parallel—for incorporating a microfluidic channel into a gating nanopore. The vertical device consists of a single nanogap electrode with a nanopore perpendicular to the surface of a silicon substrate. The parallel device is similar, except the nanopore is parallel to the surface of the substrate. Furthermore, while the vertical device was fabricated using nanofabrication technologies, the parallel device was fabricated using a mechanically controllable break junction that enables atomic-level control of the electrode gap; hence, measurement of single atoms and molecules is possible. Both devices can identify single gold nanoparticles passing through them by measuring the strength of their electrical signals. The parallel device can also identify the individual nucleotides in a DNA molecule.
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Reports on the topic "Break junction"

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Moreland, John, L. F. Goodrich, J. W. Elkin, T. E. Capobianco, and A. F. Clark. Break junctions I :. Gaithersburg, MD: National Bureau of Standards, 1988. http://dx.doi.org/10.6028/nbs.ir.88-3090.

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