scispace - formally typeset
Search or ask a question
Journal ArticleDOI

First-principles theoretical study of metallic states of DCNQI-(Cu,Ag,Li) systems.

15 Oct 1996-Physical Review B (Phys Rev B Condens Matter)-Vol. 54, Iss: 15, pp 10452-10464
About: This article is published in Physical Review B.The article was published on 1996-10-15. It has received 38 citations till now.
Citations
More filters
Journal ArticleDOI
TL;DR: One of the clear manifestations of electron correlation in condensed matter is metal-insulator (MI) transition as discussed by the authors, and the organic conductors κ-(ET) 2 X and (DCNQI) 2 M are contrasting textbook materials.
Abstract: One of the clear manifestations of electron correlation in condensed matter is metal–insulator (MI) transition. The organic conductors κ-(ET) 2 X and (DCNQI) 2 M are contrasting textbook materials ...

204 citations

Journal ArticleDOI
TL;DR: In this article, the magnetic structure of antiferromagnetic ordered phases of quasi-one-dimensional organic conductors is studied theoretically at absolute zero based on the mean field approximation to the quarter-filled band with on-site and nearest-neighbor Coulomb interaction.
Abstract: The magnetic structure of antiferromagnetically ordered phases of quasi-one-dimensional organic conductors is studied theoretically at absolute zero based on the mean field approximation to the quarter-filled band with on-site and nearest-neighbor Coulomb interaction. The differences in magnetic properties between the antiferromagnetic phase of (TMTTF) 2 X and the spin density wave phase in (TMTSF) 2 X are seen to be due to a varying degrees of roles played by the on-site Coulomb interaction. The nearest-neighbor Coulomb interaction introduces charge disproportionation, which has the same spatial periodicity as the Wigner crystal, accompanied by a modified antiferromagnetic phase. This is in accordance with the results of experiments by Nakamura et al on (TMTTF) 2 Br and (TMTTF) 2 SCN. Moreover, the antiferromagnetic phase of (DI-DCNQI) 2 Ag is predicted to have a similar antiferromagnetic spin structure.

201 citations

Journal ArticleDOI
TL;DR: In this article, the magnetic structure of antiferromagnetic ordered phases of quasi-one-dimensional organic conductors is studied theoretically at absolute zero based on the mean field approximation to the quarter-filled band with on-site and nearest-neighbor Coulomb interaction.
Abstract: The magnetic structure of antiferromagnetically ordered phases of quasi-one-dimensional organic conductors is studied theoretically at absolute zero based on the mean field approximation to the quarter-filled band with on-site and nearest-neighbor Coulomb interaction. The differences in magnetic properties between the antiferromagnetic phase of (TMTTF)$_2$X and the spin density wave phase in (TMTSF)$_2$X are seen to be due to a varying degrees of roles played by the on-site Coulomb interaction. The nearest-neighbor Coulomb interaction introduces charge disproportionation, which has the same spatial periodicity as the Wigner crystal, accompanied by a modified antiferromagnetic phase. This is in accordance with the results of experiments on (TMTTF)$_2$Br and (TMTTF)$_2$SCN. Moreover, the antiferromagnetic phase of (DI-DCNQI)$_2$Ag is predicted to have a similar antiferromagnetic spin structure.

172 citations

Journal ArticleDOI
TL;DR: In this paper, the Journal of the Physical Society of Japan 75 (2006): 051009, which has been published in final form at http://dx.doi.org/10.1143/JPSJ.75.051009
Abstract: This is the peer reviewed version of the following article: Journal of the Physical Society of Japan 75 (2006): 051009, which has been published in final form at http://dx.doi.org/10.1143/JPSJ.75.051009

143 citations