The Metallic State in Neutral Radical Conductors: Dimensionality, Pressure and Multiple Orbital Effects

Pressure-induced changes in the solid-state structures and transport properties of three oxobenzene-bridged bisdithiazolyl radicals 2 (R = H, F, Ph) over the range 0–15 GPa are described. All three materials experience compression of their π-stacked architecture, be it (i) 1D ABABAB π-stack (R = Ph)...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2015-11, Vol.137 (44), p.14136-14148
Main Authors: Tian, Di, Winter, Stephen M, Mailman, Aaron, Wong, Joanne W. L, Yong, Wenjun, Yamaguchi, Hiroshi, Jia, Yating, Tse, John S, Desgreniers, Serge, Secco, Richard A, Julian, Stephen R, Jin, Changqing, Mito, Masaki, Ohishi, Yasuo, Oakley, Richard T
Format: Article
Language:English
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Summary:Pressure-induced changes in the solid-state structures and transport properties of three oxobenzene-bridged bisdithiazolyl radicals 2 (R = H, F, Ph) over the range 0–15 GPa are described. All three materials experience compression of their π-stacked architecture, be it (i) 1D ABABAB π-stack (R = Ph), (ii) quasi-1D slipped π-stack (R = H), or (iii) 2D brick-wall π-stack (R = F). While R = H undergoes two structural phase transitions, neither of R = F, Ph display any phase change. All three radicals order as spin-canted antiferromagnets, but spin-canted ordering is lost at pressures
ISSN:0002-7863
1520-5126
DOI:10.1021/jacs.5b08254