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HISTORY AND RECENT DEVELOPMENTS OF TERAHERTZ WAVE GENERATION J.Nishizawa1 (1.Director of Photodynamics Research Centerand Semiconductor Research Institute, 5199-1399 Aramaki,Aoba-ku, Sendai 980-0845, Japan) Abstract:The unexplored terahertz (THz) region involves important phenomena of both fundamental and applied natures. Examples include phonon interactions, rotational transitions......
Growth Defects in Langasite Crystals Observed with White Beam Synchrotron Radiation Topography Huang Wanxia1,Wang Xuping2,Zhu Peiping1,Zhao Hongyang2,Wang Jiyang2,Zhang Jianxiu2,Hu Xiaobo2... single crystal was grown by the Czochralski method and its perfection was assessed by white beam synchrotron radiation topography. It is found that the growth core and the growth striations......
Growth restriction effects during solidification of aluminium alloys CHEN Zhong-wei(陈忠伟), HE Zhi(何 志), JIE Wan-qi(介万奇) State Key Laboratory of Solidification Processing... be quantified by the growth-restriction parameter Q, and Q possesses the better correlation with the grain size. Based on the constitutional undercooling generated by the growth of an adjacent grain during......
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Phase-field simulation of dendritic growth for binary alloys with complicate solution models LI Xin-zhong(李新中), GUO Jing-jie(郭景杰), SU Yan-qing(苏彦庆), WU Shi-ping(吴士平), FU Heng-zhi(傅恒志) (School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 15001, China) Abstract: A phase-field method for simulation of dendritic growth in binary alloys with complicate solution......
, prepared by sequentially electroplating Cu and Sn layers on metallized Si wafers, were employed to study the microstructures, phases and the growth kinetics of Cu-Sn intermediate phases, when... Cn6Sn5/Cu3Sn layers formed within the reaction region between Sn and Cu. There were many voids near the Cu3Sn/Cu interface and within the Cu3Sn layer. Cu6Sn5 and Cu3Sn formations both follow parabolic growth......
Molecular dynamics simulation of bending crack initiation and growth of single crystal aluminiumSHAN De-bin(单德彬), YUAN Lin(袁 , 林), GUO Bin(郭 斌)(School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China)Abstract:Molecular dynamics (MD) simulation was employed to research the mechanism of bending crack initiation and growth of single crystal aluminium......
Effect of Rare Earth Elements on Quantity Growth of Crops 汪成胜1,李瑞1,常江1,韩修明1,柴绍明1,张自立1 (1.Department of Soil & Agrichemistry, Anhui Agricultural Univers oty, Hefei 230036,China) Abstract:The effects of rare earth on the growth of rice, rape and soybean in three kinds of soils were studied with the method supposed by Economic Co-operation and De velopment organization (OECD), and the EC50(median......
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ON THE MONTE CARLO SIMULATION OF NORMAL GRAIN GROWTH L.J.Wang1,X.F.Ma1,Y.T.Liu1,X.M.Shen1,X.J.Guan1 (1.School of Materials Science and Engineering,Shandong University,Jinan 250061,China) Abstract:The microstructures and their kinetics of normal grain growth are simulated using different Monte Carlo (MC) algorithms.Compared with the relative figures and the theoretical normal grain growth......
