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DC Field | Value | Language |
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dc.citation.number | 1 | - |
dc.citation.startPage | 014514 | - |
dc.citation.title | PHYSICAL REVIEW B | - |
dc.citation.volume | 79 | - |
dc.contributor.author | Kim, Hyeong-Jin | - |
dc.contributor.author | Liu, Yong | - |
dc.contributor.author | Oh, Yoon Seok | - |
dc.contributor.author | Khim, Seunghyun | - |
dc.contributor.author | Kim, Ingyu | - |
dc.contributor.author | Stewart, GR | - |
dc.contributor.author | Kim, Kee Hoon | - |
dc.date.accessioned | 2023-12-22T08:10:55Z | - |
dc.date.available | 2023-12-22T08:10:55Z | - |
dc.date.created | 2015-07-08 | - |
dc.date.issued | 2009-01 | - |
dc.description.abstract | Measurements of magnetotransport and current-voltage (I-V) characteristics up to 9 T were used to investigate the vortex phase diagram of an underdoped (Ba,K)Fe2As2 single crystal with T-c=26.2 K. It is found that the anisotropy ratio of the upper critical field H-c2 decreases from 4 to 2.8 with decreasing temperature from T-c to 24.8 K. Consistent with the vortex-glass theory, the I-V curves measured at H=9 T can be well scaled with the vortex-glass transition temperature of T-g=20.7 K and critical exponents z=4.1 and nu=1. Analyses in different magnetic fields produced almost identical critical exponent values, with some variation in T-g, corroborating the existence of the vortex-glass transition in this underdoped (Ba,K)Fe2As2 single crystal up to 9 T. A vortex phase diagram is presented, based on the evolution of T-g and H-c2 with magnetic field. | - |
dc.identifier.bibliographicCitation | PHYSICAL REVIEW B, v.79, no.1, pp.014514 | - |
dc.identifier.doi | 10.1103/PhysRevB.79.014514 | - |
dc.identifier.issn | 2469-9950 | - |
dc.identifier.scopusid | 2-s2.0-60349119257 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/12071 | - |
dc.identifier.url | http://journals.aps.org/prb/abstract/10.1103/PhysRevB.79.014514 | - |
dc.identifier.wosid | 000262977900102 | - |
dc.language | 영어 | - |
dc.publisher | AMER PHYSICAL SOC | - |
dc.title | Vortex-glass phase transition and superconductivity in an underdoped (Ba, K)Fe2As2 single crystal | - |
dc.type | Article | - |
dc.description.journalRegisteredClass | scopus | - |
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