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Progress of Studies on Multi-Color Long Afterglow Luminescence Materials Li Qun1,Teng Xiaoming2 (1.General Research Institute for Nonferrous Metals,Beijing,100088;2.Grirem Advanced Materials... materials was reviewed.Two luminescent mechanism of long afterglow behavior were discussed.Further research and development prospects about the materials were proposed. Key words:long afterlow materials......
Preparation and Properties of a Group of Nanoporous Materials with Photo-semiconducting Host Structures Xiqu Wang1 (1.Department of Chemistry and Materials Research Science and Engineering Center,University of Houston, Houston, Texas 77204-5641, USA) 摘要: 1. IntroductionPreparation of nanostructured materials is a fundamental field for advances in nano-technology.Various chemical routes have......
Biomimetic Design and Test of Composite MaterialsBenlian ZHOU International Centre for Materials Physics,Institute of Metal Research,Academia Sinica,Shenyang,110015,China摘 要:<正> A series of superior properties will make composites the most important structural materials in thenext century.But they are difficult to design owing to the complexity......
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of Science, Northeastern University, Shenyang 110004, China; 2. School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China) Abstract: LiCoO2 powder used as cathode material for lithium ion battery was synthesized by microwave heating with Co3O4 and LiOH·H2O as starting materials. The selection of output power and heating time of microwave can markedly affect the purity......
Electromagnetic Processing of MaterialsXin-Fang ZhangUniversity of Science and Technology Beijing摘 要:<正>Pulsed external field,including electric,magnetic,ultrasonic and laser,as an instantaneous high energy input method with high efficiency and low e......
Particle erosion of infrared materialsQi He , Fanxiu Lv, Fenglei Zhang, Huibin Guo, and Junjun Wei School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing... on their IR transmittance were studied. The damaged surface morphology was characterized by scanning electron microscopy, and the erosion mechanism was explored. All of the materials show the maximum......
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Photoluminescence from Silicon Nanocrystals in Encapsulating MaterialsZ.Deng,X.D.Pi,J.J.Zhao,D.YangState Key Laboratory of Silicon Materials and Department of Materials Science and Engineering,Zhejiang University摘 要:<正>Naturally oxidized freestanding silicon nanocrystals(Si NCs) are incorporated in commonly used encapsulating materials to explore......
Preparation of Nano/Micron Composite Materials by Process Method GAN Ai-feng1,YAO Jun-min1,WEI Qi1,HU Chuan-xin1,Yuan1,JI1 (1.Department of Materials Sciences & Engineering,Beijing University... of nanocomposite material, and successfully prepared nanocomposite materials with nano-PbTiO3 covered on the surface of micron-Ni. According to the sample''s SEM-pictures, the core-shell can......
