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Appearance of beating in the shubnikov-de haas oscillations of the organic conductor κ-(BEDT-TTF)2Cu(NCS)2 under pressure

Title
Appearance of beating in the shubnikov-de haas oscillations of the organic conductor κ-(BEDT-TTF)2Cu(NCS)2 under pressure
Authors
Kang W.Jo Y.Noh D.-Y.Son K.-I.Chung O.-H.
Ewha Authors
강원조연정
SCOPUS Author ID
강원scopus
Issue Date
2010
Journal Title
Journal of the Physical Society of Japan
ISSN
0031-9015JCR Link
Citation
vol. 79, no. 4
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We observed beats in the Shubnikov-de Haas oscillations of the interlayer magnetoresistance Rzz for the organic conductor κ-(BEDT-TTF) 2Cu(NCS)2 pressurized at 7 kbar. Direct observation of a beat pattern is an evidence of coherence in interlayer electron transport. From the beat frequency, the amplitude of the interlayer dispersion, t =E F, was estimated to be 1/250 which doubles the previous estimation from the coherence peak at ambient pressure. In the Fourier transformation spectrum, the frequency splits in the α- and β-oscillations gave t for both orbits as 0:17 ± 0:01 meV. © 2010 The Physical Society of Japan.
DOI
10.1143/JPSJ.79.044716
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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