Optical characterization of 2 k F bond-charge-density wave in quasi-one-dimensional 3 /4 -filled (EDO-TTF) 2 X ( X= PF 6 and AsF 6 )
Optical characterization of 2 k F bond-charge-density wave in quasi-one-dimensional 3 /4 -filled (EDO-TTF) 2 X ( X= PF 6 and AsF 6 )
复制标题
准一维 3 /4 填充 (EDO-TTF) 2 X(X= PF 6 和 AsF 6 )中 2 k F 键电荷密度波的光学表征
DOI:
10.1103/physrevb.70.075107
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发表时间:
2004
影响因子:
3.7
通讯作者:
D. Tanner
中科院分区:
文献类型:
--
作者:
O. Drozdova;K. Yakushi;Kaoru Yamamoto;A. Ota;H. Yamochi;G. Saito;H. Tashiro;D. Tanner
We present the electronic and vibrational spectra of quasi-one-dimensional $\frac{3}{4}$-filled ${(\mathrm{EDO}\text{\ensuremath{-}}\mathrm{TTF})}_{2}X$ ($\mathrm{EDO}\text{\ensuremath{-}}\mathrm{TTF}=\text{ethylenedioxy-tetrathiafulvalene}$, $X={\mathrm{PF}}_{6}$ and ${\mathrm{AsF}}_{6}$) above and below the metal-insulator phase transition (${T}_{\mathrm{MI}}=280\phantom{\rule{0.3em}{0ex}}\mathrm{K}$ for the ${\mathrm{PF}}_{6}$ salt and $268\phantom{\rule{0.3em}{0ex}}\mathrm{K}$ for the ${\mathrm{AsF}}_{6}$ salt). For the low-temperature insulating phase, the pattern of both bond and charge order was identified. Almost all charge density is localized on the strongly bound central pair of 0110 tetramer giving rise to a characteristic spectrum of electronic excitations. Infrared spectra along the stacking axis show evidence of strong electron-molecular vibration coupling between the charge transfer band within the pair and some specific intramolecular vibrations. This charge order is assisted by a molecular deformation.
DOI:
--
发表时间:
2003
期刊:
Synthetic Metals 133-134
影响因子:
--
作者:
O. Drozdova;K. Yakushi;A. Ota;H. Yamochi;G. Saito
通讯作者:
G. Saito
影响因子:
--
作者:
G. Saito;H. Sasaki;T. Aoki;Y. Yoshida;A. Otsuka;H. Yamochi;O. Drozdova;K. Yakushi;H. Kitagawa;T. Mitani
通讯作者:
G. Saito;H. Sasaki;T. Aoki;Y. Yoshida;A. Otsuka;H. Yamochi;O. Drozdova;K. Yakushi;H. Kitagawa;T. Mitani
影响因子:
--
作者:
Ota, A;Yamochi, H;Saito, G
通讯作者:
Saito, G