Field-induced spin density wave in (TMTSF)$_2$NO$_3$

Alain Audouard (LNCMP); David Vignolles (LNCMP); Jean-Marc Fabre (ENSCM); Luc Brossard (LNCMP); Marc Nardone (LNCMP); Sabrina Bouguessa (ENSCM)

arxiv: cond-mat/0407764 · v2 · submitted 2004-07-29 · ❄️ cond-mat.str-el

Field-induced spin density wave in (TMTSF)₂NO₃

David Vignolles (LNCMP) , Alain Audouard (LNCMP) , Marc Nardone (LNCMP) , Luc Brossard (LNCMP) , Sabrina Bouguessa (ENSCM) , Jean-Marc Fabre (ENSCM) This is my paper

classification ❄️ cond-mat.str-el

keywords densityspinwavefield-inducedpressurestatetmtsfunder

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Interlayer magnetoresistance of the Bechgaard salt (TMTSF)$_2$NO$_3$ is investigated up to 50 teslas under pressures of a few kilobars. This compound, the Fermi surface of which is quasi two-dimensional at low temperature, is a semi metal under pressure. Nevertheless, a field-induced spin density wave is evidenced at 8.5 kbar above $\sim$ 20 T. This state is characterized by a drastically different spectrum of the quantum oscillations compared to the low pressure spin density wave state.

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Field-induced spin density wave in (TMTSF)₂NO₃

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