Unconventional spin-density wave in Bechgaard salt (TMTSF)2NO3

Basletić, Mario and Korin-Hamzić, Bojana and Maki, Kazumi and Tomić, Silvia (2007) Unconventional spin-density wave in Bechgaard salt (TMTSF)2NO3. Physical Review B, 75 (5). pp. 52409-4. ISSN 1098-0121

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Among many Bechgaard salts, (TMTSF)2NO3 exhibits very anomalous low temperature properties. Unlike conventional spin density wave (SDW), (TMTSF)2NO3 undergoes the SDW transition at TSDW approx 9.5K and the low temperature quasiparticle excitations are gapless. Also, it is known that (TMTSF)2NO3 does not exhibit superconductivity even under pressure, while FISDW is found in (TMTSF)2NO3 only for P=8.5kbar and B>20T. Here we shall show that both the angle dependent magnetoresistance data and the nonlinear Hall resistance of (TMTSF)2NO3 at ambient pressure are interpreted satisfactory in terms of unconventional spin density wave (USDW). Based on these facts, we propose a new phase diagram for Bechgaards salts.

Item Type: Article
Keywords: organic superconductors, galvanomagnetic and other magnetotransport effects, spin-density waves, Landau levels
Date: February 2007
Subjects: NATURAL SCIENCES > Physics
Additional Information: Copyright (2007) by the American Physical Society.
Divisions: Faculty of Science > Department of Physics
Project code: 119-1191458-1023, 035-0000000-2836
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 27 May 2014 16:37
Last Modified: 27 May 2014 16:37
URI: http://digre.pmf.unizg.hr/id/eprint/1812

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