Evidence for continuous change of spin states between impurity-induced order and pressure-induced order in TlCu0.985 Mg0.015 Cl3 probed via muon spin rotation

Takao Suzuki, Isao Watanabe, Fumiko Yamada, Yasuyuki Ishii, Kazuki Ohishi, Risdiana, Takayuki Goto, Hidekazu Tanaka

研究成果: Article

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Zero- and longitudinal-field muon spin relaxation (ZF- and LF-μSR) measurements were carried out in pressures up to 2 kbar in impurity-doped TlCu0.985 Mg0.015 Cl3 of which the magnetic phase-transition temperature under ambient pressure in zero field is 2.85 K. The spontaneous muon spin precession, which indicates the existence of a long-range coherent order, is observed above 0.5 kbar at 2.3 K. In ambient pressure, the existence of the static internal magnetic field is confirmed by LF-μSR measurements, however, no rotational signal is observed down to 0.29 K. These results indicate that the crossover reported by IImamura [Phys. Rev. B 74, 064423 (2006)] is the continuous change from a short-range order to a long-range coherent order.

元の言語English
記事番号064407
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
80
発行部数6
DOI
出版物ステータスPublished - 2009 8 13

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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