Two rapid oscillations in the magnetoresistance in the field-induced spin-density-wave state

Ok Hee Chung, W. Kang

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

We report a systematic study of longitudinal and transverse magnetoresistance in the quasi-one-dimensional organic conductor (Formula presented) 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 field, a resistance peak is observed at (Formula presented) which depends on the field. Surprisingly, the type of RO is correlated with (Formula presented) The difference between two oscillations leads us to establish subphases in the main FISDW phase of (Formula presented) 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.

Original languageEnglish
Pages (from-to)11649-11655
Number of pages7
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume61
Issue number17
DOIs
StatePublished - 2000

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