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Flexible Electrodes: Roll‐to‐Roll Production of Transparent Silver‐Nanofiber‐Network Electrodes for Flexible Electrochromic Smart Windows (Adv. Mater. 41/2017)

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advanced materials 2017年第41期29卷

作者： Sen Lin Xiaopeng Bai Haiyang Wang Haolun Wang Jianan Song Kai Huang Chang Wang Ning Wang Bo Li Ming Lei Hui Wu State Key Laboratory of Information Photonics and Optical Communications and School of Science Beijing University of Posts and Telecommunications Beijing 100876 China State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and Engineering Tsinghua University Beijing 100084 China Advanced Materials Institute Shenzhen Graduate School Tsinghua University Shenzhen 518055 China State Key Laboratory of Electronic Thin Films and Integrated Devices University of Electronic Science and Technology of China Chengdu 610054 China

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Mn Diffusion at Early Stage of Intercritical Annealing of 5Mn Steel

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Journal of Iron and Steel Research International 2015年第11期22卷 1015-1019页

作者： Xi-nan LUO Xiao-yan ZHONG Hai-wen LUO Hui-hua ZHOU Cun-yu WANG Jie SHI Beijing National Center for Electron Microscopy Laboratory of Advanced Materials (MOE) The State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and Engineering Tsinghua University School of Metallurgical and Ecological Engineering University of Science and Technology Beijing Central Iron and Steel Research Institute

Mn distribution and austenite morphology at the early stage of intercritical annealing of 5Mn steel were investigated. It was experimentally demonstrated that a newly formed 20 nm-thick austenite was formed without the partitioning of Mn. The elemental analysis confirmed that the growth of austenite should be controlled by the diffusion of C prior to the diffusion of Mn at a low heating rate. The austenite growth started under negligible-partitioning local equilibrium mode and then switched to partitioning local equilibrium mode. Mn segregation at the γ/α interface suggested that the collector plate mechanism was the essential way of Mn partitioning at the early stage of austenite growth.

关键词： Mn diffusion austenite nucleation intercritical annealing negligible-partitioning local equilibrium diffusion mechanism

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2D materials: Layer Dependence and Light Tuning Surface Potential of 2D MoS2on Various Substrates (Small 14/2017)

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Small 2017年第14期13卷

作者： Feng Li Junjie Qi Minxuan Xu Jiankun Xiao Yuliang Xu Xiankun Zhang Shuo Liu Yue Zhang State Key Laboratory for Advanced Metals and Materials School of Materials Science and Engineering University of Science and Technology Beijing Beijing 100083 P. R. China Beijing Municipal Key Laboratory of New Energy Materials and Technologies University of Science and Technology Beijing Beijing 100083 P. R. China

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Photovoltaics: Deciphering the NH4PbI3Intermediate Phase for Simultaneous Improvement on Nucleation and Crystal Growth of Perovskite (Adv. Funct. Mater. 30/2017)

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advanced Functional materials 2017年第30期27卷

作者： Haonan Si Qingliang Liao Zhuo Kang Yang Ou JingJing Meng Yichong Liu Zheng Zhang Yue Zhang State Key Laboratory for Advanced Metals and Materials School of Materials Science and Engineering University of Science and Technology Beijing Beijing 100083 P. R. China Beijing Municipal Key Laboratory of New Energy Materials and Technologies University of Science and Technology Beijing Beijing 100083 P. R. China

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AFM investigation of nanomechanical properties of ZnO nanowires

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RSC Advances 2015年第42期5卷 33445-33449页

作者： Li, Peifeng Liao, Qingliang Wang, Zengze Lin, Pei Zhang, Zheng Yan, Xiaoqin Zhang, Yue State Key Laboratory for Advanced Metals and Materials School of Materials Science and Engineering University of Science and Technology Beijing Beijing100083 China Key Laboratory of New Energy Materials and Technologies University of Science and Technology Beijing Beijing100083 China

During the investigation of mechanical properties of nanomaterials by atomic force microscope (AFM), a non-normal stress state with large scanning angles is a universal phenomenon. The mechanical service behaviors of ZnO nanowires (NWs) with diameters ranging from 177 to 386 nm under non-normal stress state were studied by AFM at a scanning rate of 14.8 μm s-1. We expanded the application scope of the threshold force equation determining the fracture threshold forces of ZnO NWs which was established in our previous work. The criterion equation for security service of ZnO NWs was established by the threshold force equation and force calibration equation. The criterion equation was used to predict the security service range of ZnO NWs successfully. The modulus and fracture strength of the ZnO NWs were also calculated through the fracture threshold force obtained from the threshold force equation. The results have important and meaningful consequences for security practical applications of ZnO NWs under non-normal stress state. © The Royal Society of Chemistry 2015.

关键词： Fracture

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Calibration on force upon the surface of single ZnO nanowire applied by AFM tip with different scanning angles

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RSC Advances 2015年第59期5卷 47309-47313页

The mechanical service behaviors of ZnO nanowires (NWs) with diameters ranging from 67 to 201 nm and different scanning angles at a scanning rate of 14.8 μm s-1 were studied by atomic force microscope (AFM). The force calibration equation was established between the actual forces applied on the surface of single ZnO NW, applied forces and scanning angles. It was proved that the actual forces strengthened when scanning angles exist. The actual fracture threshold forces increase linearly with the increase of diameters of the ZnO NWs, but do not dependent on the scanning angles. The force calibration is important and significant for applying forces accurately using AFM with scanning angles. The investigation provides a method for studying mechanical service behaviors of one dimensional nanomaterial under non-normal stress state and calibrating the actual force applied by AFM under different scanning angles. © The Royal Society of Chemistry 2015.

关键词： Zinc oxide

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Influence of TiO2 additive on the microwave dielectric properties of α-CaSiO3-Al2O3 ceramics

Influence of TiO2 additive on the microwave dielectric prope...

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作者： Hu, Wei Liu, Hanxing Hao, Hua Yao, Zhonghua Cao, Minghe Wang, Zhijian Song, Zhe State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of Technology Wuhan Hubei430070 China

The effects of TiO2 additives on microstructure and microwave dielectric properties of α-CaSiO3-2 wt%Al2O3 ceramics have been investigated in detail. Specifically, the TiO2 addition results in the presence of two distinct phases, e.g. CaTiO3 and CaTiSiO5, which can inhibit the growth of α-CaSiO3 grains by surrounding their boundaries and also improve the bulk density of α-CaSiO3-2 wt%Al2O3 ceramics. However, the TiO2 addition undermines the microwave dielectric properties of the title ceramics because the derived phases of CaTiO3 and CaTiSiO5 have poor quality factor. The τf value is strongly correlated to the compositions and can be controlled through the compositional ratio. The α-CaSiO3-2 wt%Al2O3 ceramics containing 2.5 wt% of TiO2 sintered at 1250 °C showed excellent microwave dielectric properties (Εr=7.88, Q×f=24,412 GHz and τf=-0.52 ppm/°C). © 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

关键词： Titanium dioxide

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Novel magnesium borides and their superconductivity

arXiv

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arXiv 2017年

作者： Mahdi Davari Esfahani, M. Zhu, Qiang Dong, Huafeng Oganov, Artem R. Wang, Shengnan Rakitin, Maksim S. Zhou, Xiang-Feng Department of Geosciences Center for Materials by Design Institute for Advanced Computational Science State University of New York Stony BrookNY11794-2100 United States Skolkovo Institute of Science and Technology Skolkovo Innovation Center 3 Nobel St. Moscow143026 Russia Moscow Institute of Physics and Technology 9 Institutskiy Lane Dolgoprudny City Moscow Region141700 Russia International Center for Materials Design Northwestern Polytechnical University Xi’an710072 China NSLS-II Brookhaven National Laboratory UptonNY11973-5000 United States School of Physics and Key Laboratory of Weak-Light Nonlinear Photonics Nankai University Tianjin300071 China

With the motivation of searching for new superconductors in the Mg-B system, we performed ab initio evolutionary searches for all the stable compounds in this binary system in the pressure range of 0-200 GPa. We found previously unknown, yet thermodynamically stable, compositions MgB3 and Mg3B10. Experimentally known MgB2 is stable in the entire pressure range 0-200 GPa, while MgB7 and MgB12 are stable at pressures below 90 GPa and 35 GPa, respectively. We predict a reentrant behavior for MgB4, which becomes unstable against decomposition into MgB2 and MgB7 at 4 GPa and then becomes stable above 61 GPa. We find ubiquity of phases with boron sandwich structures analogous to the AlB2-type structure. However, with the exception of MgB2, all other magnesium borides have low electron-phonon coupling constants λ of 0.32 to 0.39 and are predicted to have Tc below 3 K. Copyright © 2017, The Authors. All rights reserved.

关键词： Aluminum compounds

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Author Correction: Protein corona of airborne nanoscale PM2.5 induces aberrant proliferation of human lung fibroblasts based on a 3D organotypic culture

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Scientific reports 2018年第1期8卷 7594页

作者： Yan Li Pengcheng Wang Chuanlin Hu Kun Wang Qing Chang Lieju Liu Zhenggang Han Yang Shao Ying Zhai Zhengyu Zuo Michael Mak Zhiyong Gong Yang Wu Key Laboratory for Deep Processing of Major Grain and Oil (Wuhan Polytechnic University) Ministry of Education College of Food Science and Engineering Wuhan Polytechnic University Wuhan 430023 P. R. China. Department of Biomedical Engineering School of Engineering & Applied Science Yale University New Haven 06520 USA. State Key Laboratory of Silicate Materials for Architectures Wuhan University of Technology Wuhan 430070 P. R. China. Division of Biostatistics Department of Population Health New York University New York 10016 USA. Department of Chemical and Biomolecular Engineering Hong Kong University of Science & Technology Clear Water Bay Kowloon Hong Kong. School of Biology and Pharmaceutical Engineering Wuhan Polytechnic University Wuhan 430023 P. R. China. Hubei Key Laboratory for Processing and Transformation of Agricultural Products (Wuhan Polytechnic University) College of Food Science and Engineering Wuhan Polytechnic University Wuhan 430023 P. R. China. gongzycn@***. Hubei Key Laboratory for Processing and Transformation of Agricultural Products (Wuhan Polytechnic University) College of Food Science and Engineering Wuhan Polytechnic University Wuhan 430023 P. R. China. wuyangwhpu@***.

A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.

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Exploring the polymerization of bioactive nano-cones on the inner surface of an organic tube by an atmospheric pressure micro-plasma jet

Exploring the polymerization of bioactive nano-cones on the ...

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13th Asia-Pacific Conference on Plasma Science and technology(APCPST2016)

作者： H.M.Xu J.S.Yu G.L.Chen X.P.Qiu W.Hu W.X.Chen Key Laboratory of Advanced Textile Materials and Manufacturing Technology and Engineering Research Center for Eco-Dyeing & Finishing of TextilesMinistry of EducationZhejiang Sci-Tech University Department of Chemistry and Chemical Engineering University of New Haven

In this work,the successful deposition of acrylic acid polymer(PAA)nano-cones on the inner surface of a polyvinyl chloride(PVC)tube using an atmospheric pressure plasma jet(APPJ)with acrylic acid(AA)monomer is *** emi... 详细信息

关键词： Plasma Polymerization Nano-cone Cell Immobilization Plasma Jet

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