Magnetic phase diagram of CsCuCl3 for in-plane magnetic fields up to 14 T

R. Bügel, A. Faißt, H. v. Löhneysen, J. Wosnitza, and U. Schotte
Phys. Rev. B 65, 052402 – Published 27 December 2001
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Abstract

High-resolution specific-heat and magnetocaloric-effect measurements have been utilized to complement the magnetic phase diagram of the hexagonal antiferromagnet CsCuCl3 in fields up to 14 T aligned perpendicular to the c axis. The recently found additional incommensurate phase induced by thermal fluctuations could be resolved completely. It appears at about 4 T in a narrow temperature range, with a maximum width of only 70mK and narrows towards higher fields extending up to 11T. Within the low-temperature incommensurate phase, the magnetocaloric-effect data confirm another phase transition that may be explained by quantum fluctuations.

  • Received 21 August 2001

DOI:https://doi.org/10.1103/PhysRevB.65.052402

©2001 American Physical Society

Authors & Affiliations

R. Bügel1, A. Faißt1, H. v. Löhneysen1,2, J. Wosnitza1,*, and U. Schotte3

  • 1Physikalisches Institut, Universität Karlsruhe, D-76128 Karlsruhe, Germany
  • 2Forschungszentrum Karlsruhe, Institut für Festkörperphysik, D-76021 Karlsruhe, Germany
  • 3Hahn-Meitner-Institut, Berlin Neutron Scattering Centre, D-14109 Berlin, Germany

  • *Present address: Institut für Angewandte Physik, Technische Universität Dresden, D-01062 Dresden, Germany.

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Vol. 65, Iss. 5 — 1 February 2002

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