Decoupling anion-ordering and spin-Peierls transitions in a strongly one-dimensional organic conductor with a chessboard structure, (o-Me2TTF)2NO3

Jeannin, O.; Reinheimer, E.W.; Foury-Leylekian, P.; Pouget, J.-P.; Auban-Senzier, P.; Trzop, E.; Collet, E.; Fourmigué, M.

doi:10.1107/S2052252518004967

Figure 5
(a) Temperature dependence of the spin susceptibility, χ_s, in (o-Me₂TTF)₂NO₃. A Curie tail encompassing 0.65% S = ½ magnetic defaults has been subtracted. The dotted line is an HT fit to the uniform spin ½ AF Heisenberg chain. (b) Plot of ln(χ_sT) versus 1/T, allowing the determination of the spin activation energy Δ_σ ≃ 390 K in the spin-Peierls ground state.

IUCrJ

Volume 5| Part 3| May 2018| Pages 361-372

ISSN: 2052-2525

https://doi.org/10.1107/S2052252518004967

MATERIALS | COMPUTATION

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