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Selenium doping NaCl-type superconductor: SnAs1−xSex(x=0–0.13)
He, Jianqiao1,2; Zhang, Xian3; Lai, Xiaofang3; Huang, Fuqiang1,3
2017
Source PublicationJournal of Solid State Chemistry
ISSN00224596
Volume252Pages:106-110
AbstractSelenium doped NaCl-type superconductor SnAs1−xSex(x=0–0.13) were made through solid state reaction. EDS results show that Se content increases with Se doping until over doped in SnAs0.9Se0.1and SnAs0.87Se0.13(around 2.7%). PXRD patterns confirmed the main phase of the six doped samples are SnAs. The cell parameters of doped SnAs were calculated using Rietveld refinements. Their cell parameters increase almost linearly with x until x reaches 13%. Single crystal diffraction measurement results show that there are no interstitial atom in doped SnAs. We conclude that Se atoms are substitutional atoms in SnAs. The superconducting onset temperatures (Tconset, under a magnetic field of 10 Oe) of SnAs increased from 3.8 K to 4.5 K by 10% Se doping. ρ-T curves of 1%, 5% and 10% Se doped samples show that all the three samples are metallic. Upper critical field Hc2(0) of 1%, 5% and 10% Se doped samples are 294 Oe, 649 Oe and 1011 Oe, respectively. © 2017 Elsevier Inc.
DOI10.1016/j.jssc.2017.04.040
EI Accession Number20172003666974
EI KeywordsTin compounds
EI Classification Number549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 708.3 Superconducting Materials - 801 Chemistry - 802.2 Chemical Reactions - 931.3 Atomic and Molecular Physics - 933.1 Crystalline Solids
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25386
Collection中国科学院上海硅酸盐研究所
Corresponding AuthorHuang, Fuqiang
Affiliation1.State Key Laboratory of High Performance Ceramics and Superfine Microstructure and CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
2.University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing; 100049, China;
3.Beijing National Laboratory for Molecular Sciences and State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, 202 Chengfu Road, Beijing; 100871, China
Recommended Citation
GB/T 7714
He, Jianqiao,Zhang, Xian,Lai, Xiaofang,等. Selenium doping NaCl-type superconductor: SnAs1−xSex(x=0–0.13)[J]. Journal of Solid State Chemistry,2017,252:106-110.
APA He, Jianqiao,Zhang, Xian,Lai, Xiaofang,&Huang, Fuqiang.(2017).Selenium doping NaCl-type superconductor: SnAs1−xSex(x=0–0.13).Journal of Solid State Chemistry,252,106-110.
MLA He, Jianqiao,et al."Selenium doping NaCl-type superconductor: SnAs1−xSex(x=0–0.13)".Journal of Solid State Chemistry 252(2017):106-110.
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