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NMR Studies on the Internal Structure of High-Tc Superconductors and Other Anorganic Compounds

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Title: NMR Studies on the Internal Structure of High-Tc Superconductors and Other Anorganic Compounds
Authors: Kumagai, K. Browse this author
Kakuyanagi, K. Browse this author
Saitoh, M. Browse this author
Matsuda, Y. Browse this author
Hasegawa, M. Browse this author
Takashima, S. Browse this author
Nohara, M. Browse this author
Takagi, H. Browse this author
Keywords: antiferromagnetic order
FFLO state
vortex core
Issue Date: Dec-2005
Publisher: Springer
Journal Title: Hyperfine Interactions
Volume: 159
Issue: 1-4
Start Page: 87
End Page: 93
Publisher DOI: 10.1007/s10751-005-9086-3
Abstract: Spatially-resolved NMR is used to probe internal structures in highly correlated superconductors of optimally-doped Tl2Ba2CuO(6+δ)(Tc=85K) and a heavy fermion superconductor CeCoIn5 (Tc=2.3K). The characteristic change of the properties of 205 Tl-NMR in the vortex state provides a clear evidence of the antiferromagnetic order in the vortex cores below 20 K in Tl2Ba2CuO(6+δ). We also obtain anomalous 115 In-NMR spectra of CeCoIn5, which provides a microscopic evidence for the occurrence of a spatially-modulated superconducting order parameter expected in a Fulde--Ferrel--Larkin--Ovchinnkov (FFLO) state.
Rights: The original publication is available at
Type: article (author version)
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 熊谷 健一

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