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LOCAL-STRUCTURE OF THE AXIAL FE3+ CENTER IN THE K+ SITE OF A KTAO3 CRYSTAL

Physical Review B

In order to understand the unusually large value of zero-field splitting D for the axial Fe3+ center in a KTaO3 crystal, Zhou made two assumptions in his recent report [Phys. Rev. B 42, 917 (1990)]. In this Comment we will show that his assumption II is qualitatively r...

关键词: electric-field;srcl2

ION HEATING PROCESS DURING PLASMA IMMERSION ION IMPLANTATION

X.B. Tian , X.F. Wang , A.G. Liu , L.P. Wang , S. Y. Wang , B. Y. Tang and P. K. Chu 1)Advanced Welding Production & Technology National Key Laboratory , Harbin Institute of Technology , Harbin 150001 , China 2)Department of Physics & Materials Science , City University of Hong Kong , China

金属学报(英文版)

The research on plasma immersion ion implantation has been conducted for a little over ten years. Much is needed to investigate including processing technlogy, plasma sheath dynamics, interaction of plasma and surface, etc. Of the processing methods elavated temperature technique is usually used in ...

关键词: plasma immersion ion implantation , null , null

介观LC电路在时变电源作用下量子态的演化

夏小建

量子电子学报 doi:10.3969/j.issn.1007-5461.2009.06.010

采用Wei-Norman方法,求出含时变电压源的介观LC电路随时间演化的精确解,应用相空间准概率分布函数,研究了时变电源作用下介观LC电路相干态的量子特性,结果表明此函数是一个二维运动的Gauss波包,其中心电量和磁通呈余弦和正弦变化.

关键词: 量子光学 , LC回路 , 介观电路 , 相干态 , 量子态演化 , 相空间的准概率分布函数

First-principle study of electronic properties of Ti3Si1-xAlxC2 solid solutions

Journal of Physics and Chemistry of Solids

The layered ternary ceramics Ti3SiC2 and Ti3AlC2 are isostructural and can form Ti3Si1-xAlxC2 solid solutions combining the advanced properties of both compounds [H.B. Zhang, Y.C. Zhou, Y.W. Bao, M.S. Li, Improving the oxidation resistance of Ti3SiC2 by forming a Ti3Si...

关键词: ceramics;ab initio calculations;electronic structure;electrical;conductivity;oxidation behavior;mechanical-properties;ti3sic2;temperature;ti3alc2;air;si

Oxidation of Alloying Elements during ESR of Stainless Steel

WEI Jihe Xi'an Institute of Metallurgy and Construction Engineering , China.

材料科学技术(英文)

The oxidation of alloying elements during the ESR of stainless steel has been studied. The model previously developed by WEI and Mitchell for the chemical reactions and mass transfer processes during ESR was applied to the remelting of the high Cr steel 1Cr18Ni9(Ti).Th...

关键词: ESR , null , null , null , null

SYNTHESIS OF TiN FILM WITH ION BEAM ENHANCED DEPOSITION AND ITS PROPERTIES

ZHOU Jiankun LIU Xianghuai CHEN Youshan WANG Xi ZHENG Zhihong HUANG Wei ZOU Shichang Shanghai Institute of Metallurgy , Academia Sinica , Shanghai , China

金属学报(英文版)

The TiN films were synthesized with an alternate process of depositing titanium from a E-gun evaporation source and 40 keV N~+ bombarding onto the target.It is shown from the composi- tion analysis and structure investigations using RBS,AES,TEM,XPS and X-ray diffraction spectrum that the formed fihn...

关键词: TiN film , null

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