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Rapid synthesis and magnetic and electronic transport properties of FeSe1-x superconductors
J. L. Yang; W. J. Ren; D. Li; Z. D. Zhang
2013
Source PublicationJournal of Optoelectronics and Advanced Materials
ISSN1454-4164
Volume15Issue:3-4Pages:235-238
AbstractTetragonal PbO-type FeSe1-x (0.04 <= x <= 0.12) compounds are synthesized by a rapid process of annealing at 673 K for 30 min after ball-milling 5h (single anneal). The superconducting transition temperature is similar to 7 K. However, zero-resistance is not observed in these samples because of the large distance between grains. After increase of annealing time to 20 h (double anneal), the zero resistance phenomenon was observed and the temperature is 6.0, 6.4 and 6.6 K for x = 0.04, 0.08 and 0.12, respectively. All samples exhibits Meissner effect, but the magnetization is not a negative value because of the positive magnetization contribution of ferromagnetic/ferrimagnetic impurities existing in the samples.
description.department[yang, j. l. ; ren, w. j. ; li, d. ; zhang, z. d.] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. [yang, j. l. ; ren, w. j. ; li, d. ; zhang, z. d.] chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china. [yang, j. l.] liaoning tech univ, coll mat sci & engn, fuxing 123000, peoples r china. ; yang, jl (reprint author), chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china. ; jlyanget@gmail.com
KeywordMagnetization Mechanical Alloying Superconductor
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71628
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. L. Yang,W. J. Ren,D. Li,et al. Rapid synthesis and magnetic and electronic transport properties of FeSe1-x superconductors[J]. Journal of Optoelectronics and Advanced Materials,2013,15(3-4):235-238.
APA J. L. Yang,W. J. Ren,D. Li,&Z. D. Zhang.(2013).Rapid synthesis and magnetic and electronic transport properties of FeSe1-x superconductors.Journal of Optoelectronics and Advanced Materials,15(3-4),235-238.
MLA J. L. Yang,et al."Rapid synthesis and magnetic and electronic transport properties of FeSe1-x superconductors".Journal of Optoelectronics and Advanced Materials 15.3-4(2013):235-238.
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