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Preparation of high purity compact galena bulk by hot pressed sintering
Lei Zha;  Heping Li;  Ning Wang
Source PublicationMaterials Letters

By using PbS powder as raw materials, high-purity compact and machinable galena bulk was successfully prepared by sintering method under high pressure and temperature for the first time. The hot pressed sintering was performed at 0.9 GPa and 550 degrees C for 1 h. The as-prepared products were characterized by powder X-ray diffraction (XRD), Electron Probe Microanalysis (ERMA), Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES), Carbon and Sulfur Analyzer, and optical microscopy, respectively. XRD results show that the as-prepared samples have a cubic structure and were identified as galena without any impurity. Based on microscopic observations and element analyses, only galena was identified, and it is consistent with the results of XRD analysis. The density of galena bulk was measured and it is equal to the theoretical value. It is machinable and can be processed into fixed shape. 

KeywordSemiconductors Sintering High Purity Compact Galena Bulk Xrd
Indexed BySCI
Document Type期刊论文
Affiliation1.Key Laboratory of High-temperature and High-pressure Study of the Earth’s Interior, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China
2.University of Chinese Academy of Sciences, Beijing, 100049, China
Recommended Citation
GB/T 7714
Lei Zha;Heping Li;Ning Wang. Preparation of high purity compact galena bulk by hot pressed sintering[J]. Materials Letters,2019,234:233-236.
APA Lei Zha;Heping Li;Ning Wang.(2019).Preparation of high purity compact galena bulk by hot pressed sintering.Materials Letters,234,233-236.
MLA Lei Zha;Heping Li;Ning Wang."Preparation of high purity compact galena bulk by hot pressed sintering".Materials Letters 234(2019):233-236.
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