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Stereoscopic study of angle-dependent interlayer magnetoresistance in the organic conductor κ- (BEDT-TTF) 2 Cu (NCS) 2

Title
Stereoscopic study of angle-dependent interlayer magnetoresistance in the organic conductor κ- (BEDT-TTF) 2 Cu (NCS) 2
Authors
Kang W.Jo Y.J.Noh D.Y.Son K.I.Chung O.-H.
Ewha Authors
강원조연정
SCOPUS Author ID
강원scopus
Issue Date
2009
Journal Title
Physical Review B - Condensed Matter and Materials Physics
ISSN
1098-0121JCR Link
Citation
vol. 80, no. 15
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We stereoscopically studied the angle-dependent interlayer magnetoresistance Rzz (θ,) of the organic conductor κ- (BEDT-TTF) 2 Cu (NCS) 2. A pressure of 7 kbar was applied to render the sample fully metallic. The stereoscopic view enables us to distinguish between quasi-one-dimensional (Q1D) and quasi-two-dimensional (Q2D) types of mixed angular magnetoresistance oscillations. A crossover between Q1D features and Q2D features is observed at ∼35°when the field rotates in the conducting plane. While the coherence peak in the Q1D region has a constant angular width, 1.4°, the width of the humplike peak in the Q2D region grows with inverse cos dependence up to 25°. In addition, differences of the -dependence of R zz θ=0 and of its temperature dependence support the crossover behavior between Q1D and Q2D dominance. © 2009 The American Physical Society.
DOI
10.1103/PhysRevB.80.155102
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자연과학대학 > 물리학전공 > Journal papers
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