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Back Cover Image, Volume 6, Number 10, October 2024

Carbon Energy 2024年第10期6卷

作者： Qihang Ding Zewen Jiang Kean Chen Hui Li Jingzhe Shi Xinping Ai Dingguo Xia Hubei Key Lab of Electrochemical Power Sources College of Chemistry & Molecular Science Wuhan University Wuhan China Beijing Key Laboratory of Theory and Technology for Advanced Batteries Materials College of Engineering Peking University Beijing China State Key Laboratory of New Textile Materials & Advanced Processing Technologies Wuhan Textile University Wuhan China Wuhan Britain-China School Wuhan China

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Ablation characteristics of hybrid target materials for laser triggered vacuum switches

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Journal of Physics: Conference Series 2018年第1期1074卷

作者： Chen Hui The State Key Laboratory of Advanced Electromagnetic Engineering and Technology Huazhong University of Science and Technology Wuhan Hubei 430074 P.R.China Hubei Collaborative Innovation Center for High-efficiency Utilization of Solar Energy Hubei University of technology Wuhan 430068 P. R. China Hubei Key Laboratory for High-efficiency Utilization of Solar Energy and Operation Control of Energy Storage System Hubei University of technology Wuhan 430068 P. R. China

The key difference of laser triggered vacuum switch (LTVS) and electrical triggered vacuum switch (ETVS) is the different triggered way, because the initial plasmas were generated by laser irradiation target material of LTVS, which generates different impact on the triggered characteristics of LTVS with different target materials. There are three laser wavelength (1064nm, 532nm and 266nm) which are tested the triggered characteristics of target materials, with decreased conduction time delay under the condition of increasing laser energy.

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Possible Dirac quantum spin liquid in the kagome quantum antiferromagnet YCu3(OH)6Br2[Brx(OH)1-x]

arXiv

引用

arXiv 2021年

作者： Zeng, Zhenyuan Ma, Xiaoyan Wu, Si Li, Hai-Feng Tao, Zhen Lu, Xingye Chen, Xiao-Hui Mi, Jin-Xiao Song, Shi-Jie Cao, Guang-Han Che, Guangwei Li, Kuo Li, Gang Luo, Huiqian Meng, Zi Yang Li, Shiliang Beijing National Laboratory for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing100190 China School of Physical Sciences University of Chinese Academy of Sciences Beijing100190 China Institute of Applied Physics and Materials Engineering University of Macau Avenida da Universidade Macao SAR Taipa999078 China Center for Advanced Quantum Studies Department of Physics Beijing Normal University Beijing100875 China Department of Materials Science and Engineering College of Materials Xiamen University Xiamen361005 China Department of Physics Zhejiang University Hangzhou310027 China Zhejiang Province Key Laboratory of Quantum Technology and Devices Interdisciplinary Center for Quantum Information State Key Lab of Silicon Materials Zhejiang University Hangzhou310027 China Collaborative Innovation Centre of Advanced Microstructures Nanjing University Nanjing210093 China Center for High Pressure Science and Technology Advanced Research 10 Xibeiwang East Road Haidian Beijing 100094 China Songshan Lake Materials Laboratory Guangdong Dongguan523808 China Department of Physics HKU-UCAS Joint Institute of Theoretical and Computational Physics The University of Hong Kong Pokfulam Road Hong Kong

We studied the magnetic properties of YCu3(OH)6Br2[Br1-x(OH)x] (x = 0.33), where Cu2+ions form two-dimensional kagome layers. There is no magnetic order down to 50 mK while the CurieWeiss temperature is on the order of -100 K. At zero magnetic field, the low-temperature specific heat shows a T2dependence. Above 2 T, a linear temperature dependence term in specific heat emerges, and the value of γ = C/T increases linearly with the field. Furthermore, the magnetic susceptibility tends to a constant value at T = 0. Our results suggest that the magnetic ground state of YCu3(OH)6Br2[Br1-x(OH)x] is consistent with a Dirac quantum-spin-liquid state with a linearly dispersing spinon strongly coupled to an emergent gauge field, which has long been theoretically proposed as a candidate ground state in the two-dimensional kagome Heisenberg antiferromagnetic system. Copyright © 2021, The Authors. All rights reserved.

关键词： Temperature distribution

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Innentitelbild: Access to N‐Substituted 2‐Pyridones by Catalytic Intermolecular Dearomatization and 1,4‐Acyl Transfer (Angew. Chem. 7/2019)

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Angewandte Chemie 2019年第7期131卷

作者： Guangyang Xu Ping Chen Pei Liu Shengbiao Tang Xinhao Zhang Jiangtao Sun Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology School of Petrochemical Engineering Changzhou University 1 Gehu Road 213164 Changzhou China Lab of Computational Chemistry and Drug Design State Key Laboratory of Chemical Oncogeomics Peking University Shenzhen Graduate School Shenzhen 518055 China

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Correction to: Approximate solutions of the Alekseevskii-Tate model of long-rod penetration

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力学学报（英文版） 2019年第3期35卷 711-711页

作者： W. J. Jiao X. W. Chen Department of Modern Mechanics University of Science and Technology of China Hefei 230027 China <br/>2 Institute of Systems Engineering China Academy of Engineering Physics Mianyang 621999 China <br/>3 Advanced Research Institute for Multidisciplinary Science Beijing Institute of Technology Beijing 100081 China <br/>4 The State Key Lab of Explosion Science and Technology Beijing Institute of Technology Beijing 100081 China

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Inside Cover: Access to N-Substituted 2-Pyridones by Catalytic Intermolecular Dearomatization and 1,4-Acyl Transfer (Angew. Chem. Int. Ed. 7/2019)

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Angewandte Chemie International Edition 2019年第7期58卷

作者： Guangyang Xu Ping Chen Pei Liu Shengbiao Tang Prof. Dr. Xinhao Zhang Prof. Dr. Jiangtao Sun Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology School of Petrochemical Engineering Changzhou University 1 Gehu Road 213164 Changzhou China Lab of Computational Chemistry and Drug Design State Key Laboratory of Chemical Oncogeomics Peking University Shenzhen Graduate School Shenzhen 518055 China

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Thermal annealing of C ion irradiation defects in nuclear graphite studied by positron annihilation

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Journal of Physics: Conference Series 2016年第1期674卷

作者： C Q Shi H Schut Z C Li State Key Lab of New Ceramic and Fine Processing School of Materials Science & Engineering Tsinghua University Beijing China Department of Radiation Science and Technology Delft University of Technology Mekelweg 15 2629 JB Delft the Netherlands Key Laboratory of Advanced Materials (MOE) School of Materials Science & Engineering Tsinghua University Beijing China To whom any correspondence should be addressed.

In order to investigate the thermal behaviour of radiation induced point defects in nuclear graphite, ETU10 graphite was implanted with 350 keV C+ ion to doses of 1015 and 1016 cm-2. The point defects introduced by the implantation were characterized by Positron Annihilation Doppler Broadening (PADB) and their thermal behaviour was studied during 'in situ' annealing at Delft Variable Energy Positron beam (VEP). The annealing was performed for 5 minutes at temperatures ranging from 300 K (as implanted) to 1500 K in steps of 100 K. For both doses, an annealing stage at around 450 K is observed followed by a second stage around 700 K. For the high dose implantation vacancy complexes are found which are stable up to a temperature around 1400K.

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DPA-2: a large atomic model as a multi-task learner

arXiv

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arXiv 2023年

作者： Zhang, Duo Liu, Xinzijian Zhang, Xiangyu Zhang, Chengqian Cai, Chun Bi, Hangrui Du, Yiming Qin, Xuejian Peng, Anyang Huang, Jiameng Li, Bowen Shan, Yifan Zeng, Jinzhe Zhang, Yuzhi Liu, Siyuan Li, Yifan Chang, Junhan Wang, Xinyan Zhou, Shuo Liu, Jianchuan Luo, Xiaoshan Wang, Zhenyu Jiang, Wanrun Wu, Jing Yang, Yudi Yang, Jiyuan Yang, Manyi Gong, Fu-Qiang Zhang, Linshuang Shi, Mengchao Dai, Fu-Zhi York, Darrin M. Liu, Shi Zhu, Tong Zhong, Zhicheng Lv, Jian Cheng, Jun Jia, Weile Chen, Mohan Ke, Guolin Weinan, E. Zhang, Linfeng Wang, Han AI for Science Institute Beijing100080 China DP Technology Beijing100080 China Academy for Advanced Interdisciplinary Studies Peking University Beijing100871 China State Key Lab of Processors Institute of Computing Technology Chinese Academy of Sciences Beijing100871 China University of Chinese Academy of Sciences Beijing100871 China HEDPS CAPT College of Engineering Peking University Beijing100871 China Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Ningbo315201 China CAS Key Laboratory of Magnetic Materials and Devices Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology Chinese Academy of Sciences Ningbo315201 China School of Electronics Engineering and Computer Science Peking University Beijing100871 China Shanghai Engineering Research Center of Molecular Therapeutics & New Drug Development School of Chemistry and Molecular Engineering East China Normal University Shanghai200062 China Laboratory for Biomolecular Simulation Research Institute for Quantitative Biomedicine Department of Chemistry and Chemical Biology Rutgers University PiscatawayNJ08854 United States Department of Chemistry Princeton University PrincetonNJ08540 United States College of Chemistry and Molecular Engineering Peking University Beijing100871 China Yuanpei College Peking University Beijing100871 China School of Electrical Engineering and Electronic Information Xihua University Chengdu610039 China State Key Laboratory of Superhard Materials College of Physics Jilin University Changchun130012 China Key Laboratory of Material Simulation Methods & Software of Ministry of Education College of Physics Jilin University Changchun130012 China International Center of Future Science Jilin University Changchun130012 China Key Laboratory for Quantum Materials of Zhejiang Province Department of Physics School of Science Westlake University Zhejiang Hangzhou310030 China Atomistic Simulations Italia

The rapid advancements in artificial intelligence (AI) are catalyzing transformative changes in atomic modeling, simulation, and design. AI-driven potential energy models have demonstrated the capability to conduct large-scale, long-duration simulations with the accuracy of ab initio electronic structure methods. However, the model generation process remains a bottleneck for large-scale applications. We propose a shift towards a model-centric ecosystem, wherein a large atomic model (LAM), pre-trained across multiple disciplines, can be efficiently fine-tuned and distilled for various downstream tasks, thereby establishing a new framework for molecular modeling. In this study, we introduce the DPA-2 architecture as a prototype for LAMs. Pre-trained on a diverse array of chemical and materials systems using a multi-task approach, DPA-2 demonstrates superior generalization capabilities across multiple downstream tasks compared to the traditional single-task pre-training and fine-tuning methodologies. Our approach sets the stage for the development and broad application of LAMs in molecular and materials simulation research. Copyright © 2023, The Authors. All rights reserved.

关键词： Multi-task learning

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Molecular Design Strategy for Ordered Mesoporous Stoichiometric Metal Oxide

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Angewandte Chemie 2019年第44期131卷

作者： Changyao Wang Xiaoyue Wan Linlin Duan Peiyuan Zeng Liangliang Liu Dingyi Guo Yuan Xia Ahmed A. Elzatahry Yongyao Xia Wei Li Dongyuan Zhao Laboratory of Advanced Materials Department of Chemistry Shanghai Key Lab of Molecular Catalysis and Innovative Materials iChEM and State Key Laboratory of Molecular Engineering of Polymers Fudan University Shanghai 200433 China Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Jiangsu National Synergetic Innovation Center for Advanced Materials Nanjing Tech University Nanjing 211816 China Materials Science and Technology Program College of Arts and Sciences Qatar University PO Box 2713 Doha Qatar

A molecular design strategy is used to construct ordered mesoporous Ti 3+ ‐doped Li 4 Ti 5 O 12 nanocrystal frameworks (OM‐Ti 3+ ‐Li 4 Ti 5 O 12 ) by the stoichiometric cationic coordination assembly process. Ti 4+ /Li + ‐citrate chelate is designed as a new molecular precursor, in which the citrate can not only stoichiometrically coordinate Ti 4+ with Li + homogeneously at the atomic scale, but also interact strongly with the PEO segments in the Pluronic F127. These features make the co‐assembly and crystallization process more controllable, thus benefiting for the formation of the ordered mesostructures. The resultant OM‐Ti 3+ ‐Li 4 Ti 5 O 12 shows excellent rate (143 mAh g −1 at 30 C) and cycling performances (<0.005 % fading per cycle). This work could open a facile avenue to constructing stoichiometric ordered mesoporous oxides or minerals with highly crystalline frameworks.

关键词： Assemblierung Li4Ti5O12 Lithium-Ionen-Batterien Mesoporöse Materialien

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Author Correction: π-HuB: the proteomic navigator of the human body

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Nature 2025年第8046期637卷 E22页

作者： Fuchu He Ruedi Aebersold Mark S Baker Xiuwu Bian Xiaochen Bo Daniel W Chan Cheng Chang Luonan Chen Xiangmei Chen Yu-Ju Chen Heping Cheng Ben C Collins Fernando Corrales Jürgen Cox Weinan E Jennifer E Van Eyk Jia Fan Pouya Faridi Daniel Figeys George Fu Gao Wen Gao Zu-Hua Gao Keisuke Goda Wilson Wen Bin Goh Dongfeng Gu Changjiang Guo Tiannan Guo Yuezhong He Albert J R Heck Henning Hermjakob Tony Hunter Narayanan Gopalakrishna Iyer Ying Jiang Connie R Jimenez Lokesh Joshi Neil L Kelleher Ming Li Yang Li Qingsong Lin Cui Hua Liu Fan Liu Guang-Hui Liu Yansheng Liu Zhihua Liu Teck Yew Low Ben Lu Matthias Mann Anming Meng Robert L Moritz Edouard Nice Guang Ning Gilbert S Omenn Christopher M Overall Giuseppe Palmisano Yaojin Peng Charles Pineau Terence Chuen Wai Poon Anthony W Purcell Jie Qiao Roger R Reddel Phillip J Robinson Paola Roncada Chris Sander Jiahao Sha Erwei Song Sanjeeva Srivastava Aihua Sun Siu Kwan Sze Chao Tang Liujun Tang Ruijun Tian Juan Antonio Vizcaíno Chanjuan Wang Chen Wang Xiaowen Wang Xinxing Wang Yan Wang Tobias Weiss Mathias Wilhelm Robert Winkler Bernd Wollscheid Limsoon Wong Linhai Xie Wei Xie Tao Xu Tianhao Xu Liying Yan Jing Yang Xiao Yang John Yates Tao Yun Qiwei Zhai Bing Zhang Hui Zhang Lihua Zhang Lingqiang Zhang Pingwen Zhang Yukui Zhang Yu Zi Zheng Qing Zhong Yunping Zhu State Key Laboratory of Medical Proteomics Beijing Proteome Research Center National Center for Protein Sciences (Beijing) Beijing Institute of Lifeomics Beijing China. hefc@***. International Academy of Phronesis Medicine (Guangdong) Guangdong China. hefc@***. Department of Biology Institute of Molecular Systems Biology ETH Zurich Zurich Switzerland. aebersold@imsb.biol.ethz.ch. Macquarie Medical School Macquarie University Sydney New South Wales Australia. Institute of Pathology and Southwest Cancer Center Southwest Hospital Third Military Medical University (Army Medical University) and Key Laboratory of Tumor Immunopathology Ministry of Education of China Chongqing China. Institute of Health Service and Transfusion Medicine Beijing China. Department of Pathology and The Sidney Kimmel Comprehensive Cancer Center Johns Hopkins University Baltimore MD USA. State Key Laboratory of Medical Proteomics Beijing Proteome Research Center National Center for Protein Sciences (Beijing) Beijing Institute of Lifeomics Beijing China. Key Laboratory of Systems Biology Center for Excellence in Molecular Cell Science Shanghai Institute of Biochemistry and Cell Biology Chinese Academy of Sciences Shanghai China. Department of Nephrology First Medical Center of Chinese PLA General Hospital Nephrology Institute of the Chinese People's Liberation Army State Key Laboratory of Kidney Diseases National Clinical Research Center for Kidney Diseases Beijing Key Laboratory of Kidney Disease Research Beijing China. Institute of Chemistry Academia Sinica Taipei China. National Biomedical Imaging Center State Key Laboratory of Membrane Biology Institute of Molecular Medicine Peking-Tsinghua Center for Life Sciences College of Future Technology Peking University Beijing China. School of Biological Sciences Queen's University of Belfast Belfast UK. Functional Proteomics Laboratory Centro Nacional de Biotecnología-CSIC Madrid Spain. Computational Systems Biochemistry Research Group Ma

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