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Converting Commercial Zn Foils into Single (002)-Textured Zn with Millimeter-Sized Grains for Highly Reversible Aqueous Zinc Batteries

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Angewandte Chemie 2024年第17期136卷

作者： Zibo Chen Qiang Wu Xuran Han Cheng Wang Jialu Chen Tao Hu Qian He Xinyue Zhu Prof. Du Yuan Prof. Jianyu Chen Prof. Yu Zhang Prof. Lijun Yang Prof. Yanwen Ma Prof. Jin Zhao State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM) Nanjing University of Posts & Telecommunications Nanjing 210023 P. R. China College of Materials Science and Engineering Changsha University of Science and Technology Hunan 410004 P. R. China Key Laboratory of Mesoscopic Chemistry of MOE and Jiangsu Provincial Laboratory for Nanotechnology School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 P. R. China Suzhou Vocational Institute of Industrial Technology Suzhou 215104 P. R. China

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On the hotspot-Sun angular offset in urban thermal anisotropy

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Remote Sensing of Environment 2025年 328卷

作者： Zhan, Wenfeng Jiang, Lu Chen, Guanwen Hang, Jian Dong, Pan Wang, Shasha Li, Long Du, Huilin Jiangsu Provincial Key Laboratory for Advanced Remote Sensing and Geographic Information Science and Technology Key Laboratory for Land Satellite Remote Sensing Applications of Ministry of Natural Resources International Institute for Earth System Science Nanjing University Jiangsu Nanjing 210023 China Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application Nanjing 210023 China Frontiers Science Center for Critical Earth Material Cycling Nanjing University China School of Internet of Things Nanjing University of Posts and Telecommunications Nanjing 210003 China School of Atmospheric Sciences Sun Yat-sen University and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) Zhuhai 519000 China Key Laboratory of Tropical Atmosphere-Ocean System (Sun Yat-sen University) Ministry of Education Zhuhai 519000 China

The hotspot-sun angular offset (the spherical circular angle between hotspot and sun positions, termed ΔCA) in urban thermal anisotropy (UTA) plays a pivotal role in advancing remote sensing of urban climates. However, its diurnal and monthly variations across scenarios influenced by sun position, urban morphology, and thermal inertia remain largely unknown. Here we filled this knowledge gap based on 1049 UTA scenarios incorporating 12 urban surface models using both computer simulations and in-situ measurements. Our findings reveal ΔCA varies from 0° to 50° (predominantly 10° – 30°). Surface thermal inertia, urban morphology (i.e., building-street aspect ratio), and sun position collectively drive ΔCA variation, with their relative contributions exhibiting significant diurnal and monthly variabilities. In general, ΔCA is most pronounced around noon with relatively low thermal inertia (279–739 W·s^1/2·m⁻¹·K⁻¹) and low aspect ratio values (< 1.5), leading to high ΔCA values exceeding 30°. Monthly ΔCA variations shows a bimodal pattern, with peaks (ΔCA is ∼25°) in April and August and a trough (ΔCA is ∼15°) from May to July around the summer solstice when the solar zenith angle (SZA) is relatively small. Hourly ΔCA variations exhibits sinusoidal variation during daytime, also characterized by a noon trough around the summer solstice. Troughs in diurnal/annual cycles are associated with small SZA (< 20°) and high sunlit roof/ground temperatures that ensure hotspot-sun adjacency. Our results indicate pronounced ΔCAs under scenarios with lower thermal inertia, lower aspect ratio, and midday periods in May to August. Our findings could facilitate designing kernel-driven models for simulating UTA.

关键词： Hotspot-Sun angular offset Thermal remote sensing Urban morphology Urban surface temperature Urban thermal anisotropy

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Topological quantum phase transition in the magnetic semimetal HoSb

arXiv

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arXiv 2021年

作者： Zhang, Jian-Min Tang, Fang Ruan, Yurong Chen, Y. Zhang, Runwu Guo, Wenti Chen, Shuiyuan Li, Jianping Zhao, Weiyao Zhou, W. Zhang, Lei Han, Zhida Qian, Bin Jiang, Xuefan Huang, Zhigao Qian, Dong Fang, Yong Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials College of Physics and Energy Fujian Normal University Fuzhou350117 China Department of Physics Jiangsu Laboratory of Advanced Functional Materials Changshu Institute of Technology Changshu215500 China Jiangsu Key Laboratory of Thin Films School of Physical Science and Technology Soochow University Suzhou215006 China Fujian Prov. Collab. Innov. Center for Advanced High-Field Superconducting Materials and Engineering Fuzhou350117 China Beijing Institute of Technology School of Physics Beijing100081 China Automotive & Transportation Engineering Shenzhen Polytechnic Shenzhen Guangdong518055 China Innovation Campus University of Wollongong Isem WollongongNSW2500 Australia School of Physics and Astronomy Tsung-Dao Lee Institute Shanghai Jiao Tong University Shanghai200240 China

Magnetic topological semimetals, a novel state of quantum matter with nontrivial band topology, have emerged as a new frontier in physics and materials science. An external stimulus like temperature or magnetic field could be expected to alter their spin states and thus the Fermi surface anisotropies and topological features. Here, we perform the angular magnetoresistance measurements and electronic band structure calculations to reveal the evolution of HoSb's Fermi surface anisotropies and topological nature in different magnetic states. The angular magnetoresistance results manifest that its Fermi surface anisotropy is robust in the paramagnetic state but is significantly modulated in the antiferromagnetic and ferromagnetic states. More interestingly, a transition from the trivial (nontrivial) to nontrivial (trivial) topological electronic phase is observed when HoSb undergoes a magnetic transition from the paramagnetic (antiferromagnetic) to antiferromagnetic (ferromagnetic) state induced by temperature (applied magnetic field). Our studying suggests that HoSb provides an archetype platform to study the correlations between magnetism and topological states of matter. Copyright © 2021, The Authors. All rights reserved.

关键词： Antiferromagnetism

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Validation of the imatinib-therapy failure model

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LEUKEMIA 2023年第5期37卷 1166-1169页

作者： Zhang, Xiaoshuai Gale, Robert Peter Liu, Bingcheng Huang, Jian Zhang, Yanli Du, Xin Weng, Jianyu Li, Weiming Xu, Na Liu, Xiaoli Chen, Chunyan Lin, Hai Li, Guohui Liang, Rong Liu, Zhuogang Wang, Xiaodong Zhang, Yanqing Han, Yanqiu Liu, Chunshui Hu, Jianda Lin, Lie Yang, Wei Liu, Zhenfang Meng, Li Tu, Chuanqing Zheng, Caifeng Zhou, Zeping Bai, Yanliang Qiu, Huiying Chen, Suning Li, Fei Guo, Jianxin Liu, Zelin Sun, Hui Zhou, Li Feng, Ru Sun, Xiuli Huang, Xiaojun Jiang, Qian Peking University People’s Hospital Peking University Institute of Hematology National Clinical Research Center for Hematologic Disease Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation Beijing China Centre for Hematology Research Department of Immunology and Inflammation Imperial College London London UK National Clinical Research Center for Blood Diseases Institute of Hematology & Blood Diseases Hospital Chinese Academy of Medical Sciences & Peking Union Medical College Tianjin China Department of Hematology he First Affiliated Hospital of Zhejiang University College of Medicine Zhejiang University Department of Hematology The Fourth Affiliated Hospital of Zhejiang University College of Medicine Zhejiang University Zhejiang Provincial Clinical Research Center for Haematological Disorders Zhejiang China Henan Cancer Hospital The Affiliate Cancer Hospital of Zhengzhou University Zhengzhou Henan China Division of Hematology Shenzhen Second People’s Hospital The First Affiliated Hospital of Shenzhen University Guangdong China Department of Hematology Guangdong Provincial People’s Hospital Guangdong Academy of Medical Sciences Guangzhou China Union hospital Tongji Medical college Huazhong University of Science and Technology Wuhan China Department of Hematology Nanfang Hospital Southern Medical University Guangzhou China Department of Hematology Qilu Hospital of Shandong University Jinan China Department of hematology First Hospital of Jilin University Jilin China Xi’an international medical center hospital Shanxi China Department of Hematology Xijing Hospital Airforce Military Medical University Shanxi China Shengjing Hospital of China Medical University Shenyang China Sichuan Academy of Medical Sciences Sichuan Provincial People’s Hospital Chengdu Sichuan China Department of Hematology The Second Affiliated Hospital of Harbin Medical University Harbin Heilongjiang China The affiliated hospital of Inner Mongolia Medical University Inn

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Unleashed Remarkable Energy Storage Performance in Bi0.5K0.5TiO3-based Relaxor Ferroelectrics by Local Structural Fluctuation

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Angewandte Chemie 2024年第4期137卷

作者： Weiwei Cao Tianyu Li Kai Li Yueyun Huang Hailong Xie Yonghao Yao Zheng Sun Chenjie Lou Wenda Zhang Chengxin Xu Lifeng Zhu Bing Xie Ji Zhang Matthew G. Tucker Hui Liu Huajie Luo Mingxue Tang Jun Chen School of Materials Science and Engineering & Key Laboratory of Advanced Materials and Devices for Post-Moore Chips Ministry of Education University of Science and Technology Beijing Beijing 100083 China Department of Physical Chemistry and Beijing Advanced Innovation Center for Materials Genome Engineering University of Science and Technology Beijing Beijing 100083 China Guangdong Provincial Key Laboratory of Electronic Functional Materials and Devices Huizhou University Huizhou 516001 China Center for High Pressure Science and Technology Advanced Research Beijing 100193 China School of Materials Science and Engineering Nanchang Hangkong University Nanchang 330603 China School of Materials Science and Engineering Nanjing University of Science and Technology Nanjing Jiangsu 210094 China Chemical and Engineering Materials Division Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA Hainan University Haikou 570228 China

Dielectric capacitors harvest energy through an electrostatic storage process, which enables an ultrafast charging-discharging rate and ultrahigh power density. However, achieving high energy density ( W rec ) and efficiency ( η ) simultaneously, especially when preserving them across a wide frequency/temperature range or cycling numbers, remains challenging. In this work, by especially introducing NaTaO 3 into the representative ferroelectric relaxor of Bi 0.5 K 0.5 TiO 3 -Bi 0.5 Na 0.5 TiO 3 and leveraging the mismatch between B-site atoms, we proposed a method of enhancing local structural fluctuation to refine the polar configuration and to effectively improve its overall energy-storage performances. As a consequence, the ceramic exhibits an ultrahigh W rec of 15.0 J/cm 3 and high η up to 80 %, along with a very wide frequency stability of 10–200 Hz and extensive cycling number up to 10 8 . In-depth local structure and chemical environment investigations, consisting of atom-scale electron microscopy, neutron total scattering, and solid-state nuclear magnetic resonance, reveal that the randomly distributed A/B-site atom pairs emerge in the system, leading to the evident local structural fluctuations and concomitant polymorphic polar nanodomains. These key ingredients contribute to the large polarization, minimal hysteresis, and high breakdown strength, thereby promoting energy-storage performances. This work opens a new path for designing high-performance dielectric capacitors via manipulating local structural fluctuations.

关键词： perovskite ceramic relaxor ferroelectric local structure dielectric capacitor

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Formation behavior of single-walled carbon nanotube end-caps at high temperatures: A combined ReaxFF MD with DFT study

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Computational Materials Science 2025年 258卷

作者： Fang-Chao Hou Xiao-Hong Wu Ze-Chun Lin Jun-Bo Chang Xiao Ma Tao Fang Jing Sun Liang Song Jiangsu Provincial Engineering Research Center for Biomedical Materials and Advanced Medical Devices Faculty of Mechanical and Material Engineering Huaiyin Institute of Technology Huaian 223003 PR China Key Laboratory for Palygorskite Science and Applied Technology of Jiangsu National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization School of Chemical Engineering Huaiyin Institute of Technology Huaian Jiangsu 223003 PR China China North Chemical Research Academy Group CO. LTD. Beijing 100081 PR China Gansu Yin Guang Chemical Industry Group CO. LTD. Baiyin 730900 PR China

The structural evolution of single-walled carbon nanotubes (SWNTs) with different chirality at high temperatures was studied by ReaxFF molecular dynamics simulation, focusing on the formation, evolution and defect mechanism of the end-caps. Results reveal that SWNTs undergo three stages of structural evolution: local defect formation and C–C bond breakage, self-repair of sp 2 carbon atoms at the end cap, and overall structural collapse. SWNTs with smaller diameters are more susceptible to local defect diffusion and bending, while larger diameter SWNTs demonstrate superior thermal stability and end cap self-repair capability. During the reconstruction of the sp 2 structure, the energy barrier for transforming a 6-membered ring into a 5-membered ring is low at approximately 24.91 kcal/mol, whereas the transformation energy for other ring structures is relatively high. The interaction between alterations in the structure of SWNTs and high-temperature environments mainly manifests through stress accumulation, lattice defects, defect expansion, and cap reconstruction. These findings offer atomic insights for the advancement of high-temperature stable CNT materials.

关键词： Single-walled carbon nanotubes (SWCN)

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Pressure effect on the topologically nontrivial electronic state and transport of lutecium monobismuthide

arXiv

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arXiv 2020年

作者： Gu, H. Tang, F. Ruan, Y.-R. Zhang, J.-M. Tang, R.-J. Zhao, W. Zhao, R. Zhang, L. Han, Z.-D. Qian, B. Jiang, X.-F. Fang, Y. Jiangsu Laboratory of Advanced Functional Materials Department of Physics Changshu Institute of Technology Changshu215500 China Jiangsu Key Laboratory of Thin Films School of Physical Science and Technology Soochow University Suzhou215006 China Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials College of Physics and Energy Fujian Normal University Fuzhou350117 China Fujian Provincial Collaborative Innovation Center for Advanced High-Field Superconducting Materials and Engineering Fuzhou350117 China ISEM Innovation Campus University of Wollongong WollongongNSW2500 Australia Jiangsu Key Laboratory of Micro and Nano Heat Fluid Flow Technology and Energy Application College of Mathematics and Physics Suzhou University of Science and Technology Suzhou215009 China

Rare-earth monopnictides are predicted to be nontrivial semimetal candidates and show pressure-induced superconductivity. Here, we grow LuBi single crystal and study the magnetization, transport behaviors and electronic band structures to reveal its topological semimetal feature and superconductivity under pressure. At 0 GPa, the quantum oscillations indicate that there are several topologically nontrivial carrier pockets around the Fermi level, among which the hole ones are isotropic in shape, while the electron ones are anisotropic and responsible for the angular magnetoresistance. Upon compression, the superconductivity emerges in the titled compound, showing a similar pressure dependence as that observed in LaBi. Our calculation suggests that the electronic band structures are robust at low- and high-pressure respectively and thus the topological features are always preserved. Besides, the nearly pressure-independent density of state in LuBi indicates that the conventional electron-phonon coupling appears to play a minor role in the superconductivity. Copyright © 2020, The Authors. All rights reserved.

关键词： Rare earths

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Recent Widespread Deceleration of Global Surface Urban Heat Islands Unveiled by Satellites

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Geophysical Research Letters 2025年第12期52卷

作者： Wenfeng Zhan Long Li T. C. Chakraborty Leiqiu Hu Dazhong Wang Weilin Liao Shasha Wang Huilin Du Fan Huang Chunli Wang Zihan Liu Manchun Li Jiangsu Provincial Key Laboratory for Advanced Remote Sensing and Geographic Information Technology International Institute for Earth System Science Nanjing University Nanjing China Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application Nanjing China Frontiers Science Center for Critical Earth Material Cycling Nanjing University Nanjing China Pacific Northwest National Laboratory Richland WA USA Department of Atmospheric Science University of Alabama in Huntsville Huntsville AL USA Guangdong Key Laboratory for Urbanization and Geo-Simulation School of Geography and Planning Sun Yat-sen University Guangzhou China School of Geography and Ocean Science Nanjing University Nanjing China

Tracking the temporal dynamics of urban heat island (UHI) is critical for urban heat adaptation and mitigation strategies. However, whether UHI trends have shifted recently and their underlying drivers remain unknown. Here we investigate the variabilities in surface UHI trends and their associated determinants in 2,104 cities worldwide from 2000 to 2022. Our findings reveal that approximately half of the world's cities have experienced notable shifts in surface UHI trends, predominantly characterized by UHI deceleration. These shifts can be primarily attributed to alterations in vegetation trends during the day and to modifications in surface albedo and local warming trends at night. Our study challenges the conventional linear models commonly employed to estimate surface UHI trends, suggesting potential biases in such estimates. Our findings underscore the need for nuanced policies to curtail UHI growth by considering changes in urban underlying surfaces and background climate, particularly from a nonlinear perspective. Satellite records reveal that almost half of the world's cities experienced changes in urban heat island (UHI) trends, mainly slowdowns The UHI deceleration occurs at a more rapid speed in larger cities and old urban area as compared to smaller cities and newly urbanized area The changes in UHI trends are intricately regulated by nonlinear changes in urbanization processes and background climate changes Cities worldwide have witnessed a pervasive upward trend in surface urban heat island (UHI). However, it remains unclear whether this trend has changed. Here we reveal approximately half of the world's cities experiencing significant shifts in surface UHI trends, primarily characterized by deceleration. These shifts are mainly regulated by local changes in vegetation, albedo and air temperature. Our research underscores the limited understanding of temporal dynamics of surface UHI, offering the first indication of global prevalence of nonlinear trend

关键词： urban heat island land surface temperature interannual variation urban heat mitigation urban renewal

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PIV Measurement of Flow Field Structure on the Surface of Puffer Fish and its Drag Reduction Mechanism

PIV Measurement of Flow Field Structure on the Surface of Pu...

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第六届国际仿生工程学术大会暨2019年自然启迪科技国际研讨会

作者： Honggen Zhou Yuxuan Jiang Guizhong Tian Yesheng Zhu Changfeng Jia School of Mechanical Engineering Jiangsu University of Science and Technology Jiangsu Provincial Key Laboratory of Advanced Manufacturing for Marine Mechanical Equipment Jiangsu University of Science and Technology

In view of the application value of bionic structure in fluid drag reduction and the biological characteristics of puffer fish migrations, particle image velocimetry(PIV) was used to measure the flow field structure on the back and abdominal epidermis of the puffer fish in a circulating water tunnel. Taking a smooth acrylic plate as a reference object, the effects of the special epidermis structure on the mean velocity profile, turbulence intensity and Reynolds shear stress were discussed at the inflow velocity of 1.14 m/s, 1.45 m/s, 1.75 m/s, 2.04 m/s and 2.28 m/s. The experimental results show that the mean velocity profile of the back and abdomen epidermis of the puffer fish is shifted upward relative to the smooth plate, which increases the thickness of the viscous sublayer and decreases the velocity gradient to achieve the drag reduction effect;the turbulence intensity and the Reynolds shear stress on the surface of the epidermis are smaller than the smooth plate, which indicates that the surface of the puffer fish weakens the pulsation of the fluid in the core of the turbulent flow, reduces the exchange of momentum and kinetic energy during the movement of the fluid, and achieves drag reduction.

关键词： bionic structure epidermis of puffer fish particle image velocimetry drag reduction

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Nonliear buckling of longan-shaped shells under uniform external pressure

Nonliear buckling of longan-shaped shells under uniform exte...

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第六届国际仿生工程学术大会暨2019年自然启迪科技国际研讨会

作者： Jian Zhang Weimin Wang Wenxian Tang Yongmei Zhua School of Mechanical Engineering Jiangsu University of Science and Technology Jiangsu Provincial Key Laboratory of Advanced Manufacturing for Marine Mechanical Equipment Jiangsu University of Science and Technology

This paper is devoted to the buckling of Tori-sphere. Firstly, an experimental and numerical study on the buckling behavior of a biologically evolving longan-shaped shell under external pressure is carried out. Such a shape, following Cassini oval formula, is determined based on the measurements of 171 actual dried longan shells. On this basis, three nominally identical longan-shaped shells with the shape index of 0.11 are fabricated using stamping and welding process, measured for geometry, slowly tested to destruction, and numerically evaluated for their buckling behaviour. A good agreement between experiments and numerical evaluations is obtained. Then, the effect of shape index on the elastic buckling of Cassini oval shells under uniform external pressure is examined. Shells are evaluated under a uniform wall thickness（2 mm） and capacity（3.63×106 mm）, with the shape index, kc= c/a, ranging from 0 to 0.99. Several numerical computations, involving linear elastic bifurcation analysis and geometrically nonlinear elastic analysis including eigenmode imperfections, are conducted for these shells. Some of them are investigated experimentally. The results show that a Cassini oval shell with a stable character seems to be an unfavorable shape due to its low load-carrying capacity, which is at variance with previous findings regarding this problem. Notably, the kc= 0.1 Cassini oval geometry, exhibiting a high load-carrying capacity, appears to be a favorable shape in various fields such as underwater tanks, pressure hulls, and artificial capsules. Finally, the buckling of 17 Cassini oval pressure hulls with the shape index of 0.09-0.30 and one spherical pressure hull with the diameter of 2 m is devoted. Such hulls are numerically studied in the case of constant volume, material properties, and wall thickness. The results show that Cassini oval pressure hulls with the shape index of 0.10-0.11 can resist about 4% higher external pressure than the spherical one. This deviat

关键词： longan-shaped shell buckling behaviour external pressure Shape index

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