Coexistence of one- and three-dimensional Fermi surfaces and heavy cyclotron mass in the molecular conductor (DMe-DCNQI)2Cu

S. Uji, T. Terashima, H. Aoki, J. S. Brooks, R. Kato, H. Sawa, S. Aonuma, M. Tamura, M. Kinoshita

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)

Abstract

The Fermi surface of the molecular conductor (DMe-DCNQI)2Cu (DMe-DCNQI=2,5-dimethyl-N,N-dicyanoquinonediimine) has been investigated by the de Haas van Alphen method. Seven different oscillations with heavy cyclotron masses are observed at frequencies lower than 3000 T. These effects arise from the three-dimensional (3D) Fermi surface which is dominated mainly by the Cu 3d orbital character. Many oscillations with frequency higher than 3000 T are detected for the magnetic field in the ab plane an effect which demonstrates the coexistence of the 1D and 3D Fermi surfaces.

Original languageEnglish
Pages (from-to)15597-15601
Number of pages5
JournalPhysical Review B
Volume50
Issue number21
DOIs
Publication statusPublished - 1994 Jan 1

ASJC Scopus subject areas

  • Condensed Matter Physics

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