{"title":"Local structural study of commercial grade MBa 2 Cu 3 O 7-x (M = Y and/or Gd) coated conductors by polarized Raman spectroscopy","authors":"H. Moon, H. Shin, H. Jin, W. Jo, Seokhyun Yoon","doi":"10.9714/PSAC.2015.17.4.025","DOIUrl":null,"url":null,"abstract":"In 1987, M. K. Wu and Paul Chu discovered Y 1.2 Ba 0.8 CuO 4 (YBCO) with critical temperature (T c ) of 93 K. It has significantly lowered the cost of cooling of a material up to the point where superconductivity set in. Utilizing the cost reduction of attaining superconductivity and the vast amount of research to understand characteristics of high temperature oxide superconducting materials, there has been effort to use a high temperature superconductor as a coated conductor. It is important to characterize the materials precisely for stable performance before commercializing. We used polarized Raman scattering spectroscopy to study structural and stoichiometric information regarding YBa 2 Cu 3 O 7-x , GdYBa 2 Cu 3 O 7-x , and GdBa 2 Cu 3 O 7-x produced by three leading groups of producing commercial grade high temperature superconductor coated conductors American Superconductor Corporation, Superpower, and SuNAM.","PeriodicalId":20758,"journal":{"name":"Progress in Superconductivity and Cryogenics","volume":"17 1","pages":"25-29"},"PeriodicalIF":0.2000,"publicationDate":"2015-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Progress in Superconductivity and Cryogenics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.9714/PSAC.2015.17.4.025","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PHYSICS, APPLIED","Score":null,"Total":0}
引用次数: 0
Abstract
In 1987, M. K. Wu and Paul Chu discovered Y 1.2 Ba 0.8 CuO 4 (YBCO) with critical temperature (T c ) of 93 K. It has significantly lowered the cost of cooling of a material up to the point where superconductivity set in. Utilizing the cost reduction of attaining superconductivity and the vast amount of research to understand characteristics of high temperature oxide superconducting materials, there has been effort to use a high temperature superconductor as a coated conductor. It is important to characterize the materials precisely for stable performance before commercializing. We used polarized Raman scattering spectroscopy to study structural and stoichiometric information regarding YBa 2 Cu 3 O 7-x , GdYBa 2 Cu 3 O 7-x , and GdBa 2 Cu 3 O 7-x produced by three leading groups of producing commercial grade high temperature superconductor coated conductors American Superconductor Corporation, Superpower, and SuNAM.
1987年，M. K. Wu和Paul Chu发现临界温度为93 K的y1.2 Ba 0.8 CuO 4 (YBCO)。它大大降低了材料冷却到超导的成本。利用获得超导性的成本降低和对高温氧化物超导材料特性的大量研究，人们一直在努力使用高温超导体作为涂层导体。在商业化之前，对材料进行精确的表征以获得稳定的性能是非常重要的。我们利用偏振拉曼散射光谱研究了美国超导公司、超级大国和SuNAM三个生产商业级高温超导涂层导体的领先团队生产的YBa 2 Cu 3 O 7-x、GdYBa 2 Cu 3 O 7-x和GdBa 2 Cu 3 O 7-x的结构和化学计量信息。
期刊介绍：
Progress in Superconductivity and Cryogenics is the official publication of The Korea Institute of Applied Superconductivity and Cryogenics and the Korean Superconductivity Society. It was launched in 1999, and accepts original research articles and review papers on research on superconductivity and related fields of physics, electronic devices, materials science, large-scale applications for magnets, power and energy, and cryogenics. The Journal is published quarterly in March, June, September, and December each year. Supplemental issues are published occasionally. The official title of the journal is ''Progress in Superconductivity and Cryogenics'' and the abbreviated title is ''Prog. Supercond. Cryog.'' All submitted manuscripts are peer-reviewed by two reviewers. The text must be written in English. All the articles in this journal are KCI and SCOPUS as of 2015. The URL address of the journal is http://psac.kisac.org where full text is available. This work was supported by the Korean Federation of Science and Technology Societies grant funded by the Korea government.
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