scholarly journals Simultaneous charge ordering and spin dimerization in quasi-two-dimensional quarter-filled ladders

2004 ◽  
Vol 69 (10) ◽  
Author(s):  
Gennady Y. Chitov ◽  
Claudius Gros
Keyword(s):  
Charge Ordering ◽  
Two Dimensional

Electronic states of organic quasi-two dimensional conductor β″-(DODHT)2PF6: Charge ordering and superconductivity

2010 ◽  
Vol 405 (11) ◽  
pp. S172-S175
Author(s):  
M. Higa ◽  
R. Kondo ◽  
A. Murata ◽  
S. Kagoshima ◽  
H. Nishikawa ◽  
...  
Keyword(s):  
Electronic States ◽  
Charge Ordering ◽  
Two Dimensional

Superconducting and charge ordering phases of two-dimensional organic conductors

2006 ◽  
Vol 142 (3-4) ◽  
pp. 535-538 ◽  
Author(s):  
R. Kondo ◽  
M. Higa ◽  
S. Kagoshima
Keyword(s):  
Organic Conductors ◽  
Charge Ordering ◽  
Two Dimensional

Unusual 2 k   CDW state with enhanced charge ordering in P-(BEDT-TTF) AsF  and PF6

2002 ◽  
Vol 12 (9) ◽  
pp. 233-234
Author(s):  
Y. Nogami ◽  
T. Mori
Keyword(s):  
Organic Compounds ◽  
Coulomb Repulsion ◽  
Molecular Shape ◽  
Internal Degree ◽  
Charge Ordering ◽  
Two Dimensional ◽  
X Ray ◽  
Bond Lengths ◽  
Charge Modulation ◽  
Conformational Ordering

X-ray superstructure analyses of the $2k_{\rm F}$ CDW states for two-dimensional organic compounds β-(BEDT-TTF)2PF6 and AsF6 were presented Molecular ionicity of BEDT-TTF was evaluated with both intramolecular bond lengths and molecular shape. Strong bending of quasi-neutd BEDT-TTF molecules coupled with the enhanced amplitude of charge modulation was observed Conformational ordering of the terminal ethylenes of BEDT-TTF molecules anddmeriiation between quasi-ionic BEJYI-TTF molecules were also observed These characteristic indicates this CDW is not Peierls-Frohlich type but mupled with the internal degree of the molecular shape and possibly the intersite Coulomb repulsion.

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