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Oscillations of the interlayer resistance in the quasi-two-dimensional organic conductor β-(BEDT-TTF)2I3 under pressure

Title
Oscillations of the interlayer resistance in the quasi-two-dimensional organic conductor β-(BEDT-TTF)2I3 under pressure
Authors
Kang W.
Ewha Authors
강원
SCOPUS Author ID
강원scopus
Issue Date
2008
Journal Title
Physica E: Low-Dimensional Systems and Nanostructures
ISSN
1386-9477JCR Link
Citation
vol. 40, no. 5, pp. 1671 - 1673
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We measured both the temperature and the angular dependence of the interlayer resistance of the quasi-two-dimensional organic conductor β-(BEDT-TTF)2I3 under a hydrostatic pressure of 7 kbar. We observed the Shubnikov-de Haas oscillations similar to those observed at the ambient pressure after pressure-temperature cycling. The amplitude of the oscillations was greatly reduced with pressure, but the quasi-two-dimensional nature was preserved in spite of a five-fold decrease in transition temperature (Tc). While the fundamental frequency increased by 6.3%, the ratio of the modulation frequency to the fundamental frequency decreased by 11%. Pressure rendered the Fermi surface more two-dimensional. © 2007 Elsevier B.V. All rights reserved.
DOI
10.1016/j.physe.2007.10.052
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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