Low temperature heterogenous dynamics in the commensurate ground state of sulfur quasi-1D compounds (TMTTF)(2)Br and (TMTTF)(2)PF6 (CROSBI ID 739158)
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Podaci o odgovornosti
Lasjaunias, Jean Claude ; Biljaković, Katica ; Starešinić, Damir ; Monceau Pierre
engleski
Low temperature heterogenous dynamics in the commensurate ground state of sulfur quasi-1D compounds (TMTTF)(2)Br and (TMTTF)(2)PF6
We report on a study of the slow dynamics of the heat relaxation at very low temperature (T less than or equal to 1 K) in the nominally commensurate ground states of the sulfide compounds (TMTTF)(2)Br and (TMTTF)(2)PF6, commensurate SDW - or antiferromagnetic - and spin-Peierls, respectively. For both systems, the long-time dynamics at equilibrium shows a bimodal character, which can be analysed by slow and fast gaussian distributions g(logtau), separated by one decade in time, which can originate from defects of commensurability. [
heat relaxation; organic salts; spin density wave; Spin-Peierls
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Podaci o prilogu
23-26-x.
2002.
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objavljeno
Podaci o matičnoj publikaciji
Journal de Physique. IV
1155-4339
1764-7177
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Nepoznat skup
ostalo
29.02.1904-29.02.2096