Proton NMR study of the organic metal κ-(BETS)2Mn[N(CN)2]3

被引：0
|
作者：
O. M. Vyaselev
N. D. Kushch
E. B. Yagubskii
机构：
[1] Russian Academy of Sciences,Institute of Solid State Physics
[2] Russian Academy of Sciences,Institute of Problems of Chemical Physics
来源：
Journal of Experimental and Theoretical Physics | 2011年 / 113卷
关键词：
Lattice Relaxation; Dipolar Field; Organic Metal; Organic Conductor; Metal Insulator;
D O I：
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学科分类号：
摘要：
Magnetic properties of the organic conductor κ-(BETS)2Mn[N(CN)2]3 above and below the temperature of the metal-insulator transition that occurs at TMI ≈ 25 K are studied by 1H NMR. The proton spectrum is shown to be determined by the static dipolar fields from Mn2+ localized moments, while the 1H spin-lattice relaxation is dominated by fluctuating fields from Mn2+ electrons. The NMR data, both static (the spectra) and dynamic (the spin-lattice relaxation), indicate the freezing of Mn2+ moments into a short-range or an incommensurate long-range antiferromagnetic order below TMI.
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页码：835 / 841
页数：6
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