Studies on magnetism of the layered organic antiferromagnet bordered on a superconducting phase by muon spin rotation and magnetization measurements

Tomotaka Uehara, Miho Ito, Julia Angel, Junichi Shimada, Nobuhiro Komakine, Takumi Tsuchiya, Hiromi Taniguchi, Kazuhiko Satoh, Kuwat Triyana, Yasuyuki Ishii, Isao Watanabe

研究成果: Article

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The magnetism of deuterated κ-(BEDT-TTF)2Cu[N(CN)2]Br, which was situated in the vicinity of a superconductor. antiferromagnet phase boundary, was investigated by magnetization and muon spin rotation (μSR) measurements. Magnetic ordering was observed by μSR measurement under the zero-field condition. Internal fields at muon sites were lower than those of κ-(BEDT-TTF)2Cu[N(CN)2]Cl. The magnetic transition temperature TN was found to be increased by applying a magnetic field in the magnetization measurements. These two measurements enabled us to conclude that TN at zero field was 11.8 ± 0.7 K, which was significantly lower than the value reported in NMR studies (14-15 K). This finding suggests that this material undergoes Neel order and Mott transition at very close but separated temperatures.

元の言語English
記事番号e024710
ジャーナルJournal of the Physical Society of Japan
85
発行部数2
DOI
出版物ステータスPublished - 2016 2 15

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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