Issue |
Europhys. Lett.
Volume 60, Number 5, December 2002
|
|
---|---|---|
Page(s) | 737 - 742 | |
Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
DOI | https://doi.org/10.1209/epl/i2002-00370-1 | |
Published online | 01 November 2002 |
The angular-dependent magnetoresistance in
α-(BEDT-TTF)2
1
Department of Physics, Technical University
of Budapest H-1521 Budapest, Hungary
2
Max Planck Institute for the Physics of Complex Systems
Nöthnitzer Str. 38, D-01187, Dresden, Germany
3
Department of Physics and Astronomy, University of
Southern California Los Angeles, CA 90089-0484, USA
4
Institute of Physics - POB 304, HR-10001 Zagreb, Croatia
5
Department of Physics, Faculty of Science - POB 331,
HR-10001 Zagreb, Croatia
6
Research Institute for Solid State Physics and Optics
P.O. Box 49, H-1525 Budapest, Hungary
7
Walther-Meissner Institute - D-85748 Garching, Germany
8
European Synchrotron Radiation Facility - F-38043 Grenoble, France
Received:
14
May
2002
Accepted:
18
September
2002
In spite of extensive experimental studies of the
angular-dependent magnetoresistance (ADMR) of the low-temperature
phase (LTP) of α-(BEDT-TTF)2
about a
decade ago, the nature of LTP remains elusive. Here we present a
new study of ADMR of LTP in α-(ET)2 salts assuming that
LTP is unconventional charge density wave (UCDW). In the presence
of magnetic field the quasi-particle spectrum in UCDW is
quantized, which gives rise to striking ADMR in UCDW. The present
model appears to account for many existing ADMR data of
α-(BEDT-TTF)2
remarkably well.
PACS: 71.20.Rv – Polymers and organic compounds / 72.15.Gd – Galvanomagnetic and other magnetotransport effects / 71.45.Lr – Charge-density-wave systems
© EDP Sciences, 2002
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