Fermi surface of the heavy-fermion superconductor CeCoIn5: The de Haas-van Alphen effect in the normal state

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HALL D., PALM E., MURPHY T., TOZER S., FISK Z., Alver U., ...Daha Fazla

PHYSICAL REVIEW B, cilt.64, sa.21, 2001 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 64 Sayı: 21
  • Basım Tarihi: 2001
  • Doi Numarası: 10.1103/physrevb.64.212508
  • Dergi Adı: PHYSICAL REVIEW B
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Karadeniz Teknik Üniversitesi Adresli: Hayır

Özet

Measurements of the de Haas-van Alphen effect in the normal state of the heavy-fermion superconductor CeCoIn5 have been carried out using a torque cantilever at temperatures ranging from 20 to 500 mK and in fields up to 18 T. Angular-dependent measurements of the extremal Fermi surface areas reveal a more extreme two-dimensional sheet than is found in either CeRhIn5 or CeIrIn5. The effective masses of the measured frequencies range from 9 to 20m*/m(0).