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1,4-Azaborines: Origin, Modern Synthesis, and Applications as Optoelectronic materials

Synthesis 2021年第3期54卷 570-588页

作者： Inji Shin Hee Nam Lim Wan Pyo Hong Department of Fine Chemistry Seoul National University of Science and Technology Department of Chemistry and Biochemistry Yeungnam University School of Advanced Materials and Chemical Engineering Daegu Catholic University

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Theory of polarization-switchable electrical conductivity anisotropy in nonpolar semiconductors

arXiv

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arXiv 2024年

作者： Zhao, Hong Jian Wang, Yanchao Bellaiche, Laurent Ma, Yanming Key Laboratory of Material Simulation Methods and Software Ministry of Education College of Physics Jilin University Changchun130012 China Key Laboratory of Physics and Technology for Advanced Batteries Ministry of Education College of Physics Jilin University Changchun130012 China International Center of Future Science Jilin University Changchun130012 China State Key Laboratory of Superhard Materials College of Physics Jilin University Changchun130012 China Smart Functional Materials Center Physics Department Institute for Nanoscience and Engineering University of Arkansas FayettevilleAR72701 United States Department of Materials Science and Engineering Tel Aviv University Ramat Aviv Tel Aviv6997801 Israel

The anisotropic propagation of particles is a fundamental transport phenomenon in solid state physics. As for crystalline semiconductors, the anisotropic charge transport opens novel designing routes for electronic devices, where the electrical manipulation of anisotropic resistance provides essential guarantees. Motivated by the concept of anisotropic magnetoresistance, we develop an original theory on the electrically manipulatable anisotropic electroresistance. We show that when gaining electric polarization, nonpolar semiconductors can showcase anisotropic electrical conductivities between two perpendicular directions and the electrical conductivity anisotropy (ECA) is switchable by flipping the polarization. By symmetry analysis, we identify several point groups hosting the polarization-switchable ECA. These point groups simultaneously enable polarization-reversal induced conductivity change along specific directions, akin to the tunnelling electroresistance in ferroelectric tunnel junctions. First-principles-based conductivity calculations predict that AlP and NaSrP are two good materials having such exotic charge transport. Our theory can motivate the design of intriguing anisotropic electronic devices (e.g., anisotropic memristor and field effect transistor). Copyright © 2024, The Authors. All rights reserved.

关键词： Polarization

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A Thermo-Chemo-Mechanical Model for Material Extrusion of Frontally Polymerizing Thermoset Polymers

SSRN

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SSRN 2023年

作者： Kumar, Aditya Zakoworotny, Michael Balta Bonner, Francisco Javier Aw, Jia En Sottos, Nancy R. Tawfick, Sameh H. Geubelle, Philippe H. School of Civil and Environmental Engineering Georgia Institute of Technology AtlantaGA30332 United States Department of Aerospace Engineering University of Illinois Champaign UrbanaIL61801 United States Department of Mechanical Science and Engineering University of Illinois Champaign UrbanaIL61801 United States Department of Materials Science and Engineering University of Illinois Champaign UrbanaIL61801 United States Beckman Institute for Advanced Science and Technology University of Illinois Champaign UrbanaIL61801 United States

The material extrusion of thermoset polymers that undergo frontal polymerization produces three-dimensional structures with complex freestanding shapes without the use of sacrificial support material. In this technique, a gelled monomeric ink is extruded from a nozzle and undergoes rapid curing by a self-energized reaction front. Between extrusion and complete curing, the material experiences large deformations, viscous dissipation, rapid heating, and solidification. A mathematical model for these processes is developed in the current study to guide the selection of process parameters for achieving defect-free prints and high dimensional stability. A thermo-chemo-mechanical theory is presented to model the extruded viscoelastic filament and its transition to a fully cured thermoset polymer. Additionally, a computational model is developed to simulate the 3D printing of common structures. Numerical examples are included for linear and curvilinear extrusions to illustrate the role of printing parameters like the extrusion, front, and printer head velocities. Comparisons with experiments, including some new experiments, for archetypal geometries demonstrate the utility of the model in the identification of process parameters for defect-free prints. © 2023, The Authors. All rights reserved.

关键词： Optimization

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Silicon–metal and silicon–silicon ultrafast laser welding with domesticated filaments 17

Silicon–metal and silicon–silicon ultrafast laser welding ...

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Laser-based Micro- and Nanoprocessing XVII 2023

作者： Chambonneau, Maxime Li, Qingfeng Blothe, Markus Fedorov, Vladimir Yu. Tzortzakis, Stelios Nolte, Stefan Friedrich Schiller University Jena Institute of Applied Physics Abbe Center of Photonics Albert-Einstein-Straße 15 Jena07745 Germany Science Program Texas A&M University at Qatar P.O. Box 23874 Doha Qatar P.O. Box 1527 HeraklionGR-71110 Greece Materials Science and Technology Department University of Crete Heraklion71003 Greece Fraunhofer Institute for Applied Optics and Precision Engineering Albert-Einstein-Straße 7 Jena07745 Germany

ISBN: (纸本)9781510659230

We demonstrate for the first time ultrafast laser welding in the silicon–metal and silicon–silicon configurations, with focused infrared picosecond pulses. This achievement relies on accurate characterizations of filamentation in silicon with nonlinear propagation imaging. In the silicon–metal configuration, precompensating for the nonlinear focal shift prior to the welding yields bonding strengths > 1 MPa. By combining this filament relocation technique with metallic nanolayer deposition at the interface to exalt the energy deposition, similar bonding strength values are obtained in the silicon–silicon configuration. © 2023 SPIE.

关键词： Silicon

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Stable Cycling of High-Capacity Red Phosphorus/Carbon Composite Anode in All-Solid-State Lithium-Ion Batteries

SSRN

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SSRN 2023年

作者： Sun, Han Liu, Dan Li, Jing Qu, Deyu Xie, Zhizhong Song, Jiangping Tang, Haolin Department of Chemistry School of Chemistry Chemical Engineering and Life Sciences Wuhan University of Technology 122 Luoshi Road Wuhan430070 China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology 122 Luoshi Road Wuhan430070 China Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory Xianhu Hydrogen Valley Foshan528200 China

Using the Li metal anode in all-solid-state batteries (ASSBs) is challenging than initially envisioned owing to poor thermodynamic stability against solid electrolytes. Therefore, it is imperative to develop Li-ion anode alternatives for the future practical implementation of high-energy ASSBs. Here, for the first time, we demonstrate the stable cycling of red phosphorus (P)-carbon composite as a low-cost and high-capacity anode in sulfide electrolyte-based ASSBs. By loading subnanometer-scaled red P clusters in the micropores of a commercial activated carbon (AC), the electrically insulating red P can be fully activated and operable in room-temperature ASSBs. Benefiting from its medium lithiation potential and fast Li+ diffusion capability, the resultant P@AC electrode enables a record-high current density of over 18 mA cm−2 without Li dendrite formation in a symmetric cell. In a half cell, the P@AC material with a red P content of 53 wt% can deliver a high first delithiation capacity of 1438 mAh g−1 at 0.2 A g−1 and a decent capacity retention of 66.9% after 400 cycles (running time of over 180 days). When paired with a LiNi0.8Co0.1Mn0.1O2 (NCM811) cathode, the P@AC||NCM811 full cell achieves an initial areal capacity of 2.98 mAh cm−2 and enables stable cycling over 200 cycles. © 2023, The Authors. All rights reserved.

关键词： Activated carbon

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Correction: The effects on performance and emission characteristics of DI engine fuelled with CeO2 nanoparticles addition in diesel/tyre pyrolysis oil blends

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Environment, Development and Sustainability 2022年 1-2页

作者： Rajak, Upendra Nashine, Prerana Chaurasiya, Prem Kumar Verma, Tikendra Nath Dasore, Abhishek Pathak, Kamal Kishore Dwivedi, Gaurav Shukla, Anoop Kumar Saini, Gaurav Department of Mechanical Engineering Rajeev Gandhi Memorial College of Engineering and Technology Nandyal India Department of Mechanical Engineering Oriental Institute of Science & Technology Bhopal India Department of Mechanical Engineering Bansal Institute of Science and Technology Bhopal India Department of Mechanical Engineering Maulana Azad National Institute of Technology Bhopal India Department of Mechanical Engineering Government Polytechnic Sheikhpura India Energy Centre Maulana Azad National Institute of Technology Bhopal India Department of Mechanical Engineering Amity University Uttar Pradesh Noida India School of Advanced Materials Green Energy and Sensor Systems Indian Institute of Engineering Science and Technology (IIEST) Howrah India

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Coherent Acoustic Phonons in Bi2Se3 Ultrathin Films Probed by Femtosecond, Optical Pump-Probe Spectroscopy

Coherent Acoustic Phonons in Bi2Se3 Ultrathin Films Probed b...

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CLEO: Fundamental science, CLEO:FS 2024 - Part of Conference on Lasers and Electro-Optics, CLEO 2024

作者： Cheng, Jing Niherysh, Kiryl A. Francis, Peter Chakraborty, Debamitra Lombardi, Floriana Erts, Donats Prischepa, Serghej L. Laszcz, Adam Komissarov, Ivan V. Sobolewski, Roman Materials Science Graduate Program University of Rochester RochesterNY14627 United States Laboratory for Laser Energetics University of Rochester RochesterNY14623-1299 United States Department of Microtechnology and Nanoscience Chalmers University of Technology Gothenburg Sweden Institute of Chemical Physics University of Latvia Riga Latvia Department of Electrical and Computer Engineering University of Rochester RochesterNY14627 United States Dipartimento di Fisica "E.R. Caianiello" Università degli Studi di Salerno Sa FiscianoI-84084 Italy Lukasiewicz Research Network Institute of Microelectronics and Photonics WarszawaPL-02668 Poland

ISBN: (纸本)9781957171395

The dynamics of coherent acoustic phonons in the Bi2Se3 layered crystal system are investigated. The findings reveal that the frequency evolution of breathing modes with the number of the material quintuple layers and the dispersion relation both can be explained by a modified chain model with a nonuniform coupling force. © Optica Publishing Group 2024, © 2024 The Author(s)

关键词： Ultrathin films

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Quantum simulation of an extended Dicke model with a magnetic solid

Communications Materials

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Communications materials 2024年第1期5卷 1-9页

作者： Marquez Peraca, Nicolas Li, Xinwei Moya, Jaime M. Hayashida, Kenji Kim, Dasom Ma, Xiaoxuan Neubauer, Kelly J. Fallas Padilla, Diego Huang, Chien-Lung Dai, Pengcheng Nevidomskyy, Andriy H. Pu, Han Morosan, Emilia Cao, Shixun Bamba, Motoaki Kono, Junichiro Department of Physics and Astronomy Rice University HoustonTX United States Department of Physics California Institute of Technology PasadenaCA United States Applied Physics Graduate Program Smalley–Curl Institute Rice University HoustonTX United States Division of Applied Physics Graduate School of Engineering Hokkaido University Hokkaido Japan Department of Electrical and Computer Engineering Rice University HoustonTX United States Department of Physics International Center of Quantum and Molecular Structures and Materials Genome Institute Shanghai University Shanghai China Department of Physics and Center for Quantum Frontiers of Research and Technology National Cheng Kung University Tainan Taiwan Department of Chemistry Rice University HoustonTX United States Department of Physics I Kyoto University Kyoto Japan The Hakubi Center for Advanced Research Kyoto University Kyoto Japan PRESTO Japan Science and Technology Agency Saitama Japan Department of Physics Yokohama National University Yokohama Japan Department of Materials Science and NanoEngineering Rice University HoustonTX United States

The Dicke model describes the cooperative interaction of an ensemble of two-level atoms with a single-mode photonic field and exhibits a quantum phase transition as a function of light–matter coupling strength. Extending this model by incorporating short-range atom–atom interactions makes the problem intractable but is expected to produce new physical phenomena and phases. Here, we simulate such an extended Dicke model using a crystal of ErFeO3, where the role of atoms (photons) is played by Er3+ spins (Fe3+ magnons). Through terahertz spectroscopy and magnetocaloric effect measurements as a function of temperature and magnetic field, we demonstrated the existence of a novel atomically ordered phase in addition to the superradiant and normal phases that are expected from the standard Dicke model. Further, we elucidated the nature of the phase boundaries in the temperature–magnetic-field phase diagram, identifying both first-order and second-order phase transitions. These results lay the foundation for studying multiatomic quantum optics models using well-characterized many-body solid-state systems. © The Author(s) 2024.

关键词： Atoms

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Accelerating Ionic–Electronic Percolation Pathways Via Catecholate Coordination of Bioinspired-Polymer Dopamine in All-Solid-State Composite Cathode

SSRN

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SSRN 2024年

作者： Kim, Young-Jun Vuong, Thuy Hoai Linh Mastoi, Naila Riaz Nam, Jae Seok Ran, Weerawat To A. Ha, Cheayeon Kim, Dongil Park, Min-Sik Sungkyunkwan University Suwon16419 Korea Republic of Department of Nano Science and Technology Sungkyunkwan University Suwon16419 Korea Republic of Department of Advanced Materials Engineering for Information and Electronics Kyung Hee University Yongin17104 Korea Republic of Kyung Hee University Yongin17104 Korea Republic of Sungkyunkwan University Suwon16419 Korea Republic of

All-solid-state batteries (ASSBs) are becoming recognized as encouraging energy storage solutions due to their great energy density and superior safety features with sulfide-based solid-state electrolytes (SSEs). However, a major challenge is the unstable interface between conductive additives and SSEs, leading to a performance degradation. To overcome this obstacle, there is an urgent need to enhance ionic conductivity at the SSE–conductive additive interface and control interfacial kinetics to prevent undesired side reactions. Herein, we investigate the critical roles of self-polymerized dopamine coated vapor-grown carbon fibers (PDA@VGCF) in optimizing ionic–electronic percolation pathways in composite cathodes. The electrochemical properties, charge transfer kinetics, and interfacial side reactions of the composite cathodes consisting of LiNi0.8Co0.15Al0.05O2–Li6PS5Cl and VGCF as a conductive additive are thoroughly examined. In practice, the composite cathode employing PDA@VGCF exhibits superior to discharge capacity of 165.5 mAh g−1 (3.81 mAh cm−2) with outstanding capacity retention (≥ 96%) at a current density of 0.1 C (0.46 mA cm−2) compared to the composite cathode with VGCF (118.7 mAh g−1) over 100 cycles. The enhancement can be appropriate to the integration of a PDA surface layer onto VGCF, enhancing both Li+ diffusivity and the distribution of cathode components while suppressing undesirable capacity fading. This work proposes a promising approach for the surface modification of conductive additives in composite cathodes, thereby enhancing the electrochemical performance of sulfide-based ASSBs. © 2024, The Authors. All rights reserved.

关键词： Solid-State Batteries

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Detecting neutrinos from supernova bursts in PandaX-4T

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Chinese Physics C 2024年第7期48卷 14-21页

作者：庞彬宇阿布都沙拉木·阿布都克力木薄子豪陈葳谌勋程晨成兆侃崔祥仪樊英杰方德清符长波付孟婷耿立升 Karl Giboni 顾琳慧郭绪元韩晨成韩柯何昶达何金荣黄迪黄彦霖黄俊挺黄周侯汝全侯钰季向东巨永林李晨翔李家富李名川李帅杰李涛林箐刘江来陆聪聪芦晓盈罗棱尹罗云阳马文博马余刚冒亚军孟月宁旭阳祁宁春钱志成任祥祥 Nasir Shaheed 尚晓凤邵熙元申国防司琳孙文良谈安迪陶奕王安庆王萌王秋红王少博王思广王为王秀丽王舟魏月环武蒙蒙邬维浩夏经铠肖梦姣肖翔谢鹏伟燕斌斌颜玺雨杨继军杨勇姚玉坤喻纯旭袁影苑哲鑫宁张丹张敏桢张鹏张世博张澍张涛张洋张瀛心张园园赵力郑其斌周济芳周宁周小朋周永周钰博 New Cornerstone Science Laboratory Tsung-Dao Lee InstituteShanghai Jiao Tong UniversityShanghai200240China Research Center for Particle Science and Technology Institute of Frontier and Interdisciplinary ScienceShandong UniversityQingdao 266237ShandongChina Key Laboratory of Particle Physics and Particle Irradiation of Ministry of Education Shandong UniversityQingdao 266237ShandongChina School of Physics and Astronomy Shanghai Jiao Tong UniversityKey Laboratory for Particle Astrophysics and Cosmology(MoE)Shanghai Key Laboratory for Particle Physics and CosmologyShanghai 200240China Shanghai Jiao Tong University Sichuan Research Institute Chengdu 610213China School of Physics Sun Yat-Sen UniversityGuangzhou 510275China Sino-French Institute of Nuclear Engineering and Technology Sun Yat-Sen UniversityZhuhai519082China Department of Physics Yantai UniversityYantai 264005China Key Laboratory of Nuclear Physics and Ion-beam Application(MOE) Institute of Modern PhysicsFudan UniversityShanghai 200433China School of Physics Peking UniversityBeijing 100871China School of Physics Beihang UniversityBeijing 102206China International Research Center for Nuclei and Particles in the Cosmos&Beijing Key Laboratory of Advanced Nuclear Materials and Physics Beihang UniversityBeijing 100191China School of Physics and Microelectronics Zhengzhou UniversityZhengzhouHenan 450001China Yalong River Hydropower Development Company Ltd.288 Shuanglin RoadChengdu 610051China School of Medical Instrument and Food Engineering University of Shanghai for Science and TechnologyShanghai 200093China School of Mechanical Engineering Shanghai Jiao Tong UniversityShanghai 200240China Department of Physics University of MarylandCollege ParkMaryland 20742USA State Key Laboratory of Particle Detection and Electronics University of Science and Technology of ChinaHefei 230026China Department of Modern Physics University of Science and Technology of ChinaHefei 230026China School of Physics Nankai UniversityTian

Neutrinos from core-collapse supernovae are essential for understanding neutrino physics and stellar ***-phase xenon dark matter detectors can be used to track explosions of galactic supernovae by detecting neutrinos through coherent elastic neutrino-nucleus *** this study,a variation of progenitor masses and explosion models are assumed to predict neutrino fluxes and spectra,which result in the number of expected neutrino events ranging from 6.6 to 13.7 at a distance of 10 kpc over a 10-s duration with negligible backgrounds at *** specialized triggering alarms for monitoring supernova burst neutrinos are *** efficiency of detecting supernova explosions at various distances in the Milky Way is *** alarms will be implemented in the real-time supernova monitoring system at PandaX-4T in the near future,which will provide supernova early warnings for the astronomical community.

关键词： core-collapse supernovae neutrinos liquid xenon detectors supernova early warnings

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