De Haas-Van Alphen experiments under extreme conditions of low temperature, high field and high pressure, for high-quality cerium and uranium compounds

R. Settai, Shingo Araki, H. Shishido, Yoshihiko Inada, Y. Haga, E. Yamamoto, Tatsuo Kobayashi, N. Tateiwa, Y. Onuki

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

When pressure is applied to cerium and uranium compounds, the magnetic ordering temperature is suppressed and becomes zero at a critical pressure Pc. Around Pc, non-Fermi liquid and/or superconductivity are observed. We clarified a change of the electronic state via a de Haas-van Alphen (dHvA) experiment when pressure crosses Pc. The dHvA experiment under pressure was done for the antiferromagnets CeRh2Si2 and CeRhIn5, and for a ferromagnet UGe2. We found an abrupt change of the Fermi surface for CeRh2Si2 and UGe2 when crossing Pc, indicating a first-order like phase transition. For CeRhIn5, the topology of the Fermi surface was unchanged, but the cyclotron mass increased steeply above 1.6 Gpa, where superconductivity sets in.

Original languageEnglish
Pages (from-to)399-406
Number of pages8
JournalJournal of Magnetism and Magnetic Materials
Volume262
Issue number3
DOIs
Publication statusPublished - Jun 2003
Externally publishedYes

Fingerprint

Uranium Compounds
Uranium compounds
cerium compounds
uranium compounds
Cerium compounds
pressure distribution
Fermi surfaces
Fermi surface
superconductivity
Superconductivity
critical pressure
Experiments
Temperature
cyclotrons
Cyclotrons
Electronic states
topology
Magnetization
Phase transitions
Topology

Keywords

  • CeRhSi
  • CeRhIn
  • De Haas-van Alphen effect
  • Heavy-fermions
  • High pressure
  • Quantum critical point
  • UGe

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

De Haas-Van Alphen experiments under extreme conditions of low temperature, high field and high pressure, for high-quality cerium and uranium compounds. / Settai, R.; Araki, Shingo; Shishido, H.; Inada, Yoshihiko; Haga, Y.; Yamamoto, E.; Kobayashi, Tatsuo; Tateiwa, N.; Onuki, Y.

In: Journal of Magnetism and Magnetic Materials, Vol. 262, No. 3, 06.2003, p. 399-406.

Research output: Contribution to journalArticle

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AU - Araki, Shingo

AU - Shishido, H.

AU - Inada, Yoshihiko

AU - Haga, Y.

AU - Yamamoto, E.

AU - Kobayashi, Tatsuo

AU - Tateiwa, N.

AU - Onuki, Y.

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