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Two rapid oscillations in the magnetoresistance in the field-induced spin-density-wave state of (TMTSF)(2)ClO4

Title
Two rapid oscillations in the magnetoresistance in the field-induced spin-density-wave state of (TMTSF)(2)ClO4
Authors
Chung, OHKang, WKim, DLChoi, CH
Ewha Authors
강원
SCOPUS Author ID
강원scopus
Issue Date
2000
Journal Title
PHYSICAL REVIEW B
ISSN
1098-0121JCR Link1550-235XJCR Link
Citation
vol. 61, no. 17, pp. 11649 - 11655
Publisher
AMER PHYSICAL SOC
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We report a systematic study of longitudinal and transverse magnetoresistance in the quasi-one-dimensional organic conductor (TMTSF)(2)ClO4. We found two distinctly different quantum (rapid) oscillations (RO's) at different temperature regions in the field-induced spin-density-wave (FISDW) phase. For temperature sweeps in a fixed held, a resistance peak is observed at T* which depends on the field. Surprisingly, the type of RO is correlated with T*(H). The difference between two oscillations leads us to establish subphases in the main FISDW phase of (TMTSF)(2)ClO4. We also found the low-field boundary of McKernan's 3.5 K phase from a sudden increase of resistance. Our results conclude that the separate SDW transition on each pair of the Fermi surfaces is possibly responsible for subphases in the FISDW phase.
DOI
10.1103/PhysRevB.61.11649
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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