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Title: Design of Spin-Frustrated Monomer-Type C60•− Mott Insulator
Authors: Otsuka, Akihiro  kyouindb  KAKEN_id
Konarev, Dmitri
Lyubovskaya, Rimma
Khasanov, Salavat
Maesato, Mitsuhiko  kyouindb  KAKEN_id
Yoshida, Yukihiro
Saito, Gunzi
Author's alias: 大塚, 晃弘
前里, 光彦
吉田, 幸大
Keywords: spin frustration
Mott insulators
key-keyhole relation
quantum spin liquid
Issue Date: 28-Feb-2018
Publisher: MDPI AG
Journal title: Crystals
Volume: 8
Issue: 3
Thesis number: 115
Abstract: Spin-frustrated monomer-type Mott insulator C₆₀← solids are discussed in this review article. For the C₆₀← 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 C₆₀← salts with various compositions and dimensionalities are reviewed. In all of these C₆₀← salts except one, neither bond-formation nor long-range magnetic ordering was observed down to low temperatures. A plot of Weiss temperature (|Θcw|) against r shows that |Θcw| grows rapidly below r = 10.0 Å.
Rights: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
DOI(Published Version): 10.3390/cryst8030115
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