Design of Spin-Frustrated Monomer-Type C60•- Mott Insulator

被引：15

作者：

Otsuka, Akihiro ^{[1
,2
]}

Konarev, Dmitri V. ^{[3
]}

Lyubovskaya, Rimma N. ^{[3
]}

Khasanov, Salavat S. ^{[4
]}

Maesato, Mitsuhiko ^{[2
]}

Yoshida, Yukihiro ^{[2
,5
]}

Saito, Gunzi ^{[5
,6
]}

机构：

[1] Kyoto Univ, Res Ctr Low Temp & Mat Sci, Sakyo Ku, Kyoto 6068501, Japan

[2] Kyoto Univ, Grad Sch Sci, Dept Chem, Sakyo Ku, Kyoto 6068502, Japan

[3] RAS, Inst Problems Chem Phys, Chernogolovka 142432, Moscow Region, Russia

[4] RAS, Inst Solid State Phys, Chernogolovka 142432, Moscow Region, Russia

[5] Meijo Univ, Dept Agr, Tempaku Ku, 1-501 Shiogamaguchi, Nagoya, Aichi 4688502, Japan

[6] Toyota Phys & Chem Res Inst, Nagakute, Aichi 4801192, Japan

来源：

CRYSTALS | 2018年 / 8卷 / 03期

基金：

俄罗斯科学基金会;

关键词：

spin frustration; Mott insulators; key-keyhole relation; quantum spin liquid; TRIANGULAR LATTICE ANTIFERROMAGNETS; CRYSTAL-STRUCTURE DETERMINATION; IONIC MULTICOMPONENT COMPLEX; SINGLE-BONDED (C-60(-))(2); HIGH-FIELD MAGNETIZATION; ELECTRONIC-PROPERTIES; GROUND-STATE; HEISENBERG-ANTIFERROMAGNET; TRANSPORT-PROPERTIES; FULLERENE COMPLEXES;

D O I：

10.3390/cryst8030115

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Spin-frustrated monomer-type Mott insulator C-60(center dot-) solids are discussed in this review article. For the C-60(center dot-) solids, the interfullerene center-to-center distance (r) is the key parameter that controls the competition between covalent bond-formation, itinerancy, and spin frustration. Eight C-60(center dot-) salts with various compositions and dimensionalities are reviewed. In all of these C-60(center dot-) salts except one, neither bond-formation nor long-range magnetic ordering was observed down to low temperatures. A plot of Weiss temperature (vertical bar Theta(CW) vertical bar) against r shows that vertical bar Theta(CW) vertical bar grows rapidly below r = 10.0 angstrom.

引用

页数：38

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