Charge disproportionation with lattice distortion of α-(BEDT-TTF)2RbHg(SCN)4 observed by 13C-NMR

Noda, Kazuki; Ihara, Yoshihiko; Kawamoto, Atsushi

Physical Review B, 2013, 87(8), 085105

Permalink : https://hdl.handle.net/2115/52185

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アクセス権	open access
URI	https://hdl.handle.net/2115/52185
タイトル	Charge disproportionation with lattice distortion of α-(BEDT-TTF)2RbHg(SCN)4 observed by 13C-NMR
著者	Noda, Kazuki ; Ihara, Yoshihiko ; Kawamoto, Atsushi
著者名 Noda, Kazuki
著者名 Ihara, Yoshihiko
e-Rad_Researcher 60251691 著者名 Kawamoto, Atsushi
言語	英語
発行日	2013-02-15
出版者	American Physical Society
収録物名	Physical Review B
巻(号)	87(8)
ページ	085105
抄録	To explore the connection between α-(BEDT-TTF)2I3 and α-(BEDT-TTF)2MHg(SCN)4 (M = K, Rb, Tl and NH4) and to resolve the difference between band picture and charge fluctuation of α-(BEDT-TTF)2MHg(SCN)4, we utilized 13C-NMR to examine α-(BEDT-TTF)2RbHg(SCN)4 under the conditions with a large hyperfine coupling constant at each site. The temperature dependence of site susceptibility showed the development of spin disproportionation as observed in α-(BEDT-TTF)2I3. We found that the linewidth of the A site only increased as temperature decreased from 200 to 100 K, a change associated with the development of lattice modulation. These findings indicate that density-wave modulation occurs during charge disproportionation instability.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	©2013 American Physical Society
PISSN	1098-0121
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1103/PhysRevB.87.085105