Real space imaging of the metal - insulator phase separation in the band width controlled organic Mott system $κ$-(BEDT-TTF)$_{2}$Cu[N(CN)$_{2}$]Br

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dc.creatorSasaki, T.
dc.creatorYoneyama, N.
dc.creatorSuzuki, A.
dc.creatorKobayashi, N.
dc.creatorIkemoto, Y.
dc.creatorKimura, H.
dc.date2004-08-31
dc.date2005-03-28
dc.date.accessioned2026-07-07T03:00:05Z
dc.date.available2026-07-07T03:00:05Z
dc.descriptionSystematic investigation of the electronic phase separation on macroscopic scale is reported in the organic Mott system $κ$-(BEDT-TTF)$_{2}$Cu[N(CN)$_{2}$]Br. Real space imaging of the phase separation is obtained by means of scanning micro-region infrared spectroscopy using the synchrotron radiation. The phase separation appears near the Mott boundary and changes its metal-insulator fraction with the substitution ratio $x$ in $κ$-[($h$-BEDT-TTF)$_{1-x}$($d$-BEDT-TTF)$_{x}$]$_{2}$Cu[N(CN)$_{2}$]Br, of which band width is controlled by the substitution ratio $x$ between the hydrogenated BEDT-TTF molecule ($h$-BEDT-TTF) and the deuterated one ($d$-BEDT-TTF). The phase separation phenomenon observed in this class of organics is considered on the basis of the strongly correlated electronic phase diagram with the first order Mott transition.
dc.description10 pages, 8 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0408674
dc.identifierhttp://arxiv.org/abs/cond-mat/0408674
dc.identifierJ. Phys. Soc. Jpn. 74, 2351 (2005)
dc.identifierdoi:10.1143/JPSJ.74.2351
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/24746
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleReal space imaging of the metal - insulator phase separation in the band width controlled organic Mott system $κ$-(BEDT-TTF)$_{2}$Cu[N(CN)$_{2}$]Br
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