显示条目: 1-20 / 72

    • Correlations between Microstructures and Properties of Pd-modified Nation (R) Membranes 

      Zhang, Lu; Cheng, Xuan; Zhang, Ying; Fan, Qinbai; 张颖 (ECS TRANSACTIONS, 2008)
      The Nafion membrane was modified using chemical deposited Pd in an effort to reduce methanol crossover in DMFC. The surface morphology, crystal structure and chemical composition of the Pd-deposited membranes were ...
    • Local structure of liquid Ge(1)Sb(2)Te(4) for rewritable data storage use 

      Sun, Zhimei; Zhou, Jian; Blomqvist, Andreas; Xu, Lihua; Ahuja, Rajeev; 孙志梅; 周健 (J PHYS-CONDENS MAT, 2008-05-21)
      Phase-change materials based on chalcogenide alloys have been widely used for optical data storage and are promising materials for nonvolatile electrical memory use. However, the mechanism behind the utilization is unclear ...
    • Structure and Wear Properties of Nano-silicon dioxide modified Polyacrylate composites 

      Hu, Xiaolan; Li, Yanjie; Wang, Wenhao; Xie, Penghui; Dong, Yanming; 胡晓兰 (ADV MAT RES, 2009)
      polyacrylate/nano-silicon dioxide nanocomposites were fabricated through a simple mixing process for resisting scratch and wear as coating. Chemical compatibility between polyacrylate matrix and nano-silicon dioxide ...
    • Phase stability and electronic structure of Si2Sb2Te5 phase-change material 

      Sa, Baisheng; Miao, Nahihua; Zhou, Jian; Song, Zhitang; Sun, Zhimei; Ahuja, Rajeev; 周健; 孙志梅 (J PHYS CHEM SOLIDS, 2010-08)
      On the basis of an ab initio computational study, the present work provide a full understanding on the atomic arrangements, phase stability as well as electronic structure of Si2Sb2Te5, a newly synthesized phase-change ...
    • Electrochemical deposition of Bi2Te3-based thin films 

      Qiu, Liqin; Zhou, Jian; Cheng, Xuan; Ahuja, Rajeev; 周健; 程璇 (J PHYS CHEM SOLIDS, 2010-08)
      The electrochemical reduction processes on stainless-steel substrates from an aqueous electrolyte composed of nitric acid, Bi3+, HTeO2+, SbO+ and H2SeO3 systems were investigated using cyclic voltammetry. The thin films ...
    • Morphology and properties of carbon nanotubes modified epoxy 

      Hu, Xiaolan; Wang, Wenhao; Yu, Ronglu; Liu, Gang; Lu, Tengfei; 胡晓兰 (ADV MATER RES-SWITZ, 2011)
      Multi-walled carbon nanobutes (MWNTs) reinforced epoxy resin nanocomposites were fabricated by functionalizing the MWNTs with amino group. The functionlization of MWNTs was characterized by FTIR, elementary analysis, and ...
    • Magneto-electric effect of KNN-Ni composites 

      Lu, Qingjun; Xue, Hao; Shi, Zhan; Xiong, Zhaoxian; Hu, Peng; Zheng, Zhibin; Xiao, Xiaopeng; 薛昊; 施展; 熊兆贤 (IEEE Computer Society, 2011)
      A conversion was facilitated with magneto-electric effect between energies stored in ferromagnetic form and piezoelectric one in material. This paper is concerned with magneto-electric performance of composites with a ...
    • Thermal conductivity and microhardness of MWCNTs/copper nanocomposites 

      Xu, L.S.; Chen, X.H.; Liu, X.J.; Yu, Y.; Wu, Y.R.; 刘兴军 (IEEE Computer Society, 2011)
      The effects of dispersion states of carbon nanotubes on thermal conductivity and Micro-hardness of Multi-walled carbon nanotube (MWCNT) reinforced copper nanocomposites were investigated. The nanocomposites were fabricated ...
    • Bismaleimide Matrix Composites with High Wear Resistance Modified by Potassium Titanate Whiskers 

      Hu, Xiaolan; Lin, Zhong; Yu, Moufa; 胡晓兰 (ADV MATER RES-SWITZ, 2011)
      Tribological behaviors and wear mechanism of bismaleimide resin and its composites modified by potassium titanate whiskers were investigated. The composites with outstanding tribological properties were prepared through ...
    • Preparation and dielectric properties of CaCu3Ti 4O12-(NaBi)05Cu3Ti 4O12 composites 

      Yu, Rong; Chen, La; Xue, Hao; Xiong, Zhaoxian; 薛昊; 熊兆贤 (IEEE Computer Society, 2011)
      The composites of CaCu3Ti4O12-x(NaBi) 0.5Cu3Ti4O12, i.e. CCTO-xNBCTO, were prepared for x value from 0 to 0.1. Ultrahigh dielectric constant, ψ =7×105, and dielectric loss, tanδ = 0.48, of the composites with x=0.05 were ...
    • A Dendronized Cellulose Derivative and Its Thermotropic Liquid Crystal and Lyotropic Cholesteric Liquid Crystal Behaviors 

      Dong, Yanming; Zhao, Yaqing; Zeng, Erman; Yang, Liulin; Ge, Qiang; Hu, Xiaolan; 胡晓兰 (ADV MATER RES-SWITZ, 2011)
      A novel dendronized cellulose, ethyl cellulose grafted 3,4,5-tris[4-(dodecyloxy) benzyloxy] benzoate (EC-g-DOBOB), which is comprised of ethyl cellulose (EC) backbone with mesogenic moiety DOBOB (3,4,5-tris(4-(dodecyloxy ...
    • Morphology of a Functional POSS/Bismaleimide Nanocomposite and its Monitoring Phase Separation with a Thermoplastic Blend 

      Hu, Xiaolan; Yu, Ronglu; Liu, Gang; Yi, Xiaosu; 胡晓兰 (ADV MATER RES-SWITZ, 2011)
      A functional polyhedral oligomeric silsesquioxane (PUSS) with eight vinyl groups was used to fabricate a POSS/bismaleimide (BMI) nanocomposite as a potential matrix for RIM processing, and its blend with a thermoplastic ...
    • Morphology and Tribological Behaviors of In Situ Polymerized Nano-SiO2/Polyacrylate Nanocomposites 

      Hu, Xiaolan; Li, Yanjie; Dong, Yanming; 胡晓兰 (ADV MATER RES-SWITZ, 2011)
      An interfacial polymerization method for polyacrylate resin was adapted to fabricate nanocomposites with nano-SiO2 particles via in situ polymerization. The tribological behaviors of the nano-SiO2 nanocomposites are briefly ...
    • Effect of Trace Boron on Microstructure and Mechanical Properties of Ti-9V-3Al-3Cr-3Zr-35Mo Alloy 

      Liu, Xuliang; Ma, Yunqing; Yang, Shuiyuan; Wang, Yunneng; Wang, Cuiping; Liu, Xingjun; Zeng, JM; Li, TS; Ma, SJ; Jiang, ZY; Yang, DG; 马云庆; 王翠萍 (Trans Tech Publications, 2011)
      The effects of trace boron on microstructure and mechanical properties of beta type Ti-9V-3Al-3Cr-3Zr-3.5Mo (wt. %) alloy have been investigated in this study. Upon the addition of 0.02 wt. % boron, the grain size of the ...
    • Ab initio study on hexagonal Ge2Sb2Te5-a phase-change material for nonvolatile memories 

      Sun, Zhimei; Pan, Yuanchun; Sa, Baisheng; Zhou, Jian; 孙志梅; 周健 (MATER SCI FORUM, 2011)
      On the basis of ab initio total energy calculations, we have performed an extensive study on the stacking sequence and random occupation of Ge and Sb to make the same layer in stable hexagonal Ge2Sb2Te5 (h-GST), an excellent ...
    • The Relationship Between the TiO2 Photocatalyst Deactivation, Regeneration and the Concentration of the Surface Adsorbed SO42- 

      Huang, Yue; Zhou, Zhong-Hua; Wu, Yu-Ping; Meng, Yan-Chao; Shen, Shirley; 周忠华 (ADV MATER RES-SWITZ, 2011)
      The photolysis ability and adsorption ability of TiO2 was detected and measured using acetaldehyde as a probe. The quantitative relationship between the TiO2 deactivation and the concentration of the surface adsorbed SO42- ...
    • BaTiO3 piezoelectric microfiber composites for mechanical energy harvesting 

      Hu, Peng; Xiong, Zhaoxian; Xue, Hao; Pan, Jie; Lu, Qingjun; Xiao, Xiaopeng; 熊兆贤; 薛昊 (IEEE Computer Society, 2011)
      In this paper, green microfibers of barium titanate precursor were prepared by the combination of Sol-Gel processing and Gel-spinning technique. The piezoelectric microfibers of ceramic BaTiO3 were sintered, with diameter ...
    • Development of composite plate for microwave antenna 

      Cai, Yixiang; Xiong, Zhaoxian; Zhang, Guofeng; You, Baiqiang; 熊兆贤; 游佰强 (IEEE Computer Society, 2011)
      A new kind of machinable composite plate was developed for microwave antenna in this paper, in which ceramic powder of CaO-Li2O-Ln 2O3-TiO2 was mixed with PTFE polymer in different proportions. It was showed that the ...
    • Synthesis of agglomerate-free YAG: Ce3+ phosphors by co-precipitation and low temperature spray pyrolysis 

      Gao, Shengxi; Chen, Yibin; Zeng, Renjie; 曾人杰 (IEEE Computer Society, 2011)
      Y3-xCexAl5O12 (YAG: Ce 3+) phosphor particles were prepared by a new method called co-precipitation and low temperature spray pyrolysis (CP-LTSP) with oxalic acid and ammonia as precipitant. It corresponds to the first-step ...
    • Controllable assembly of Au nanorods through recognition of h-IgG and Anti-h-lgG Fab 

      Wang, Y; Zhou, Xi; Zhong, Lu Bin; Shi, Yan Feng; Huang, Yuan Can; Wu, Shi Chao; Zhang, Qi Q; 周樨; 张其清 (Trans Tech Publications, 2011)
      We present a strategy to fabricate discrete Au nanorods (AuNRs) into controllable side-by-side (SS) and end-to-end (EE) assemblies through bio-recognition of h-IgG and anti-hIgG Fab. Due to anisotropic properties of AuNRs, ...