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Quantum oscillation measurements on the organic superconductor ?-(BEDT-TTF)2I3

Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Quantum oscillation experiments were performed on high quality single crystals of ?-(BEDT-TTF)2I3. Their electronic properties are similar to those of crystals of ?-(BEDT-TTF)2(I3)1-x(AuI2)x (x < 0.02). Nevertheless, in the neat crystals used here, quantum oscillations for the a-orbit (Fa?= 780 T) are observed already at a field of 2 T, and the magnetic breakdown of the a-orbit (Fa= 4200 T) occurs at 3 T. In the large magnetic field range, in which quantum oscillations are observed, the warping of the Fermi surface of the a-orbit and a-orbit could be determined to be aFa?= 6.6 T and aFa?= 16.6 T, respectively. At high magnetic fields, the de Haas-van Alphen signal consists of pronounced inverse saw-tooth oscillations, and the Shubnikov-de Haas signal has a peaked structure. This behaviour is interpreted in terms of magnetic interaction.
Słowa kluczowe
Wydawca
Rocznik
Strony
299--305
Opis fizyczny
Bibliogr. 11 poz.
Twórcy
autor
  • Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany
  • Max-Planck Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart, Germany
autor
  • Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany
autor
  • Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany
autor
  • Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany
  • Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany
autor
  • Max-Planck Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart, Germany
autor
  • Max-Planck Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart, Germany
autor
  • Grenoble High Magnetic Field Laboratory, 25 Avenue des Martyrs, B.P. 166, 38042 Grenoble, Cedex 9, France
Bibliografia
  • [1] KOBAYASHI H., KATO R., KOBAYASHI A., MORIYAMA S., NISHIO Y., KAJITA K., SASAKI W., Chem. Lett., 1986, 2017.
  • [2] KAJITA K., NISHIO Y., TAKAHASHI T., SASAKI W., KATO R., KOBAYASHI H., KOBAYASHI A., Solid State Commun., 70 (1989), 1181.
  • [3] TOKUMOTO M., SWANSON A.G., BROOKS J.S., TAMURA M., TAJIMA H., KURODA H., Solid State Commun., 75 (1990), 439.
  • [4] KAJITA K., NISHIO Y.,MORIYAMA S., SASAKI W., KATO R., KOBAYASHI H., KOBAYASHI A., Solid State Commun., 64 (1987), 1279.
  • [5] KOBAYASHI H., KATO R., KOBAYASHI A., NISHIO Y., KAJITA K., SASAKI W., Chem. Lett., 1986, 789.
  • [6] TERASHIMA T., UJI S., AOKI H., TAMURA M., KINOSHITA M., TOKUMOTO M., Solid State Commun. 91 (1994), 595.
  • [7] TOKUMOTO M., SWANSON A.G., BROOKS J.S., AGOSTA C.C., HANNAHS S.T., KINOSHITA N., ANZAI H., TAMURA M., TAJIMA H., KURODA H., UGAWA A., YAKUSHI K., Physica B, 184 (1993), 508.
  • [8] SHOENBERG D., Magnetic oscillations in metals, Cambridge University Press, Cambridge, 1984.
  • [9] YAMAJI K., J. Phys. Soc. Jpn., 58 (1989) 1520.
  • [10] SCHILLER M., SCHMIDT W., BALTHES E., SCHWEITZER D., KOO H.-J., WHANGBO M.H., HEINEN I., KLAUSA T., KIRCHER P., STRUNZ W., Europhys. Lett., 51 (2000), 82.
  • [11] SALAMEH B., NOTHARDT A., MUCH A., SCHWEITZER D., Conference on New Concepts and Materials for Molecular Electronics and Nanotechnology, Poznań 2004, Conf. Abstracts, p. 59.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPW7-0003-0030
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