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Germanium Production in ChinaShen Huasheng;General Research Institute for Non-ferrous Metals, Beijing 100088摘 要:<正>1 .Introduetion Germanium differs... germanium.P一tyPe germanium erystal ean be obtained by doPing high Puritygermanium with 3 valenee element as indium,gallium or boron.Similarlyn一tyPe germanium erys-tal can be doPed with 5 valenee element......
Trans. Nonferrous Met. Soc. China 30(2020) 181-190 Indentation size effect of germanium single crystal with different crystal orientations Ning LIU, Xiao-jing YANG, Zheng YU, Lei ZHAO Faculty... crystal plane of germanium single crystals was calculated based on the Meyer equation, proportional sample resistance (PSR) model and Nix-Gao model, and the indentation size effect (ISE) factor of each......
Influence of crystal structure and formation energies of impurities (Mg,Zn and Ca) in zinc blende GaN XIONG Zhi-hua(熊志华), JIANG Feng-yi(江风益), WAN Qi-xin(万齐欣), RAO Jian-ping(饶建平) Research Center... is favorable for incorporation. MgGa has particularly low formation energy 1.19 eV and can be expected to incorporate readily into GaN. The local crystal structural changes around the impurity......
characteristics of single crystal germanium and improve the optical surface quality of the nanoscale germanium, the nanoscratch instrument was used to study the single crystal germanium, and the cutting... of the single crystal germanium lattice. In addition, with the increase of the number of chips, the accumulation of chips on both sides of the groove is more and more obvious. Key words: single crystal......
J. Cent. South Univ. (2016) 23: 2214-2222 DOI: 10.1007/s11771-016-3279-6 Germanium separation and purification by leaching and precipitation Saeid Bayat, Sajjad Aghazadeh, Mohammad Noaparast, Mahdi...: In this research work, extraction and purification of germanium from zinc leach residues (ZLR) were investigated. The results of ICP, XRF, and atomic adsorption spectroscopy (AAS) tests show that contents......
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Leaching process of germanium oxide dustLIANG Jiea, b and WANG Huaa a Department of Materials and Metallurgical Engineering, Kunming University of Science and Technology, Kunming 650093, China b Chemistry Department, Bijie University, Bijie 551700, China摘 要:A thermodynamic analysis on the acid leaching process of germanium oxide dust and discussion......
Crystal habit for upconversion laser crystal of BaY2F8 LI Guanghui1,RUAN Yongfeng2,SUN Wei2,ZHANG Shouchao2 (1.School of Commerce, Tianjin University of Commerce, Tianjin 300134, China;2.School... it was difficult to orientate the single crystals of BaY2F8. In this paper, based on the structure characteristics and XRD data, the crystal habit of BaY2F8 was analyzed. The strong bond in crystal......
] 张亚萍, 席珍强, 张瑞丽, 张秀芳, 孙 法. 锗单晶材料的生长与应用[J]. 材料导报:纳米与新材料专辑, 2009, 23(1): 14-16. ZHANG Ya-ping, XI Zhen-qiang, ZHANG Rui-li, ZHANG Xiu-fang, SUN Fa. Growth and application of germanium single crystal... simulation[J]. Nanoscale Research Letters, 2013, 8(1): 13-13. [8] 赖 敏. 单晶锗纳米切削机理和切削极限的研究[D]. 天津: 天津大学, 2016. LAI Min. Study on nano cutting mechanism and cutting limit of single crystal germanium[D......
; Material parameters of single crystal germanium 2 实验结果 2.1 变载荷刻划下的去除方式和损伤行为 变载荷单,双次刻划的划痕整体形貌如图3所示.从图3中可以看到,随着垂直力增加,单晶锗表面划痕宽度逐渐变大,划痕周围的切屑也逐渐增多.对比单划痕与双划痕的形貌发现,双划痕脆性破坏非常严重,并且脆塑转变点(DBT)比单划痕更早出现...-jun, HUANG Yin-hui. Research on electrical discharge machining characteristics and mode of providing power of germanium crystal[J]. Journal of Mechanical Engineering, 2011, 47(5): 177-182. [2] 余克章. 锗......