Soliton wall superlattice in the quasi-one-dimensional conductor (Per)2Pt(mnt)2

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Abstract

We suggest a model to explain the appearance of a high resistance high magnetic field charge-density-wave (CDW) phase, discovered by Graf et al. in (Per)2Pt(mnt)2, where Per is perylene and mnt is maleonitriledithiolate molecules. In particular, we show that the Pauli spin-splitting effects improve the nesting properties of a realistic quasi-one-dimensional electron spectrum and, therefore, a high resistance Peierls CDW phase is stabilized in high magnetic fields. In low and very high magnetic fields, a periodic soliton wall superlattice (SWS) phase is found to be a ground state. We suggest experimental studies of the predicted phase transitions between the Peierls and SWS CDW phases in (Per)2Pt(mnt)2 to discover a unique SWS phase.

Original languageEnglish (US)
Article number026402
JournalPhysical review letters
Volume99
Issue number2
DOIs
StatePublished - Jul 11 2007

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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