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Lattice Dynamics Coupled to Charge and Spin Degrees of Freedom in the Molecular Dimer-Mott Insulator κ-(BEDT-TTF)₂ Cu[(N(CN₂)]Cl

2019/08/08

Publication Details

Masato Matsuura, Takahiko Sasaki, Satoshi Iguchi, Elena Gati, Jens Müller, Oliver Stockert, Andrea Piovano, Martin Böhm, Jitae T. Park, Sananda Biswas, Stephen M. Winter, Roser Valentí, Akiko Nakao, and Michael Lang

Journal：Physical Review Letters

DOI：10.1103/PhysRevLett.123.027601

Published online：July 10, 2019

Press release online (in Japanese):PDF:2.47MB

Fig. Crystal structure of κ−(ET)2Cu[N(CN)2]Cl: (a) Top view of the ET layer and (b) side view of the layered structure. (c) Wave vector Q=(603) chosen for phonon measurements in the (h0l) scattering plane. Ellipses in (a) indicate ET dimers. Thick arrows show schematically the breathing mode with polarization vector ξ of ET molecules mainly detected at (603). (From Lattice Dynamics Coupled to Charge and Spin Degrees of Freedom in the Molecular Dimer-Mott Insulator κ-(BEDT-TTF)2Cu[N(CN)2Cl)
 
Low Temperature Condensed State Physics Research Laboratory
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