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2 μm mid-infrared optical spectra of Tm~(3+)-doped germanium gallate glasses LIN Qiongfei1,ZHANG Qinyuan2,ZHANG Jianli1,XIA Haiping1 (1.Laboratory of Photo-electronic Materials, Ningbo University.... Key words:Tm3+-doped germanium-gallate glasses; spectral properties; cross relaxation; emission cross-section; rare earths; [全文内容正在添加中] ......
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... the indentation size effect (ISE) of germanium single crystals, nano-indentation experiments were carried out on the (100), (110) and (111) plane-orientated germanium single crystals. The true hardness of each......
在650 K的最大ZT值达到0.65. 关键词:clathrate结构; 热电性能; 锗; clathrate structure; thermoelectric properties; germanium (Ge); [全文内容正在添加中] ......
Table 1 Composition of ash containing germanium (mass fraction, %) 图1 含锗粉煤灰XRD谱 Fig. 1 XRD spectrum of ash containing Ge 由于粉煤灰中酸性氧化物SiO2含量比碱性氧化物CaO,K2O,MgO和Na2O总量要高,该粉煤灰属于酸性渣.粉煤灰中含有一...粉煤灰中的C几乎全部被处理掉,Ge的变化并不大,说明脱C处理对粉煤灰锗含量影响不大,工艺合理. 图3 不同碱度下富集物和渣中锗含量 Fig. 3 Germanium content of the Enrichment and slags at different basicities 表2 脱C前后粉煤灰中C和Ge含量 Table 2 ......
47.66%(质量分数)；其Ga和Ge的含量分别为0.266%和0.362%(质量分数). 表1 锌粉置换镓锗渣主要化学成分 Table 1 Main composition of zinc powder replacement residue containing gallium and germanium (mass fraction, %) 表2 锌粉置换镓锗渣中镓锗物相的化学分析结果 Table 2 Gallium and germanium phases in zinc powder replacement residue containing gallium and germanium by chemical analysis (mass fraction, %) 图1 锌粉置换镓锗渣XRD谱 Fig. 1......
of the zinc powder replacement residues containing gallium and germanium (mass fraction, %) 由表4 的电子探针定量分析结果可知,图2中点1主要物相为硫酸锌,该物相中基本不含镓,锗；图2中点6,11,13和点3,8分别为铁酸锌和硅酸锌物相,这两种物相中镓,锗的含量明显高于硫酸锌物相,另外,硅酸锌中镓,锗的分布要高于铁酸锌中.图2中其余的点主要为含有锌,铅,铜,钙等金属的铁,硅的胶体化合物. 表2 锌粉置换镓锗渣中镓锗物相的化学分析结果 Table 2 Gallium and germanium phases in zinc powder replacement residue containing gallium and germanium by chemical analysis (mass......
Industry Press, 2008: 18-22, 60-64. [2] 曹洪杨, 王继民, 李俊红, 吴斌秀. 韶冶真空炉渣氧压浸出液中锗的分离与富集[J]. 材料研究与应用, 2014 ,8(1): 52-56. CAO Hong-yang, WANG Ji-min, LI Jun-hong, WU Bin-xiu. Separation and enrichment of germanium... Shu-hui, ZHAO Jing-wen. Current situation and sustainable development suggestions of germanium resources in China[J]. Minng R & D, 2015, 35(11): 108-112. [5] 马喜红, 覃文庆, 吴雪兰, 任浏祎. 热酸浸出锌浸渣中镓锗的研究[J......
[J]. Colloids and Surfaces A: Physicochem Eng Aspects, 2011, 383: 95-101. Mechanical properties experiment of monocrystalline germanium with multiple scratches based on nano scratch instrument LUO... 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......
.ysxb.1004.0609.2021-36583 ZHU Ying-xu, DENG Zhi-gan, WEI Chang, et al. Leaching germanium-containing zinc oxide dust by atmospheric oxygen enrichment[J]. The Chinese Journal of Nonferrous Metals, 2021, 31(4... of germanium-containing zinc oxide dust (mass fraction, %) 表2 废电解液主要化学成分 Table 2 Chemical composition of spent electrolyte (g/L) 2 结果与分析 2.1 氧化锌烟尘的含量 图1所示为含锗氧化锌烟尘XRD谱.表3所示为含锗氧化锌烟尘中......
Processing and Bioengineering,Central South University, Changsha 410083 , China) Abstract: Thermodynamics and technologies of separating gallium and germanium from ferrous powder produced from zinc leach... and germanium dissolve in liquor as Ga3+ and H2GeO3, respectively. The thermodynamical conditions of separating Ga and Ge from Fe are found to be: 25℃, pH=0.685-2.742 and φ>(0.8923-0.1773pH)V; or 80......
