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17 papers · 1 filter
A Monomer Mott Insulator (BEDT-TTF)Cu[N(CN)] as a Potential Nodal Line System
N. Yoneyama, M. K. Nuryadin, T. Tsumuraya +6
We report the band structure calculations and the experimental results of resistivity and magnetic susceptibility in a spin-1/2 (BEDT-TTF) monomer Mott insulator (BED…
Frustrated magnetic interactions in an S=3/2 bilayer honeycomb lattice compound Bi3Mn4O12(NO3)
M. Matsuda, S. E. Dissanayake, D. L. Abernathy +4
Inelastic neutron scattering study has been performed in an S=3/2 bilayer honeycomb lattice compound Bi3Mn4O12(NO3) at ambient and high magnetic fields. Relatively broad and monoto…
Dimer-Mott and charge-ordered insulating states in the quasi-one-dimensional organic conductors - and -(BPDT-TTF)ICl
R. Kobayashi, K. Hashimoto, N. Yoneyama +7
We investigated the electronic states of the quasi-one-dimensional organic conductors -(BPDT-TTF)ICl and -(BPDT-TTF)ICl, both of which are insulatin…
Crystallization and vitrification of electrons in a glass-forming charge liquid
S. Sasaki, K. Hashimoto, R. Kobayashi +14
Charge ordering (CO) is a phenomenon in which electrons in solids crystallize into a periodic pattern of charge-rich and charge-poor sites owing to strong electron correlations. Th…
Collective excitation of a short-range charge ordering in -$\mbox{(BEDT-TTF)}_2\mbox{CsZn(SCN)}_4$
K. Hashimoto, S. C. Zhan, R. Kobayashi +5
We find a characteristic low-energy peak structure located in the range of 100-300 cm in the optical conductivity spectra of a quasi-two-dimensional organic compound with a…
Collective excitation of electric dipole on molecular dimer in organic dimer-Mott insulator
K. Itoh, H. Itoh, M. Naka +6
The terahertz (THz) response in 10-100 cm^-1 was investigated in an organic dimer-Mott (DM) insulator kappa-(ET)_2Cu_2(CN)_3 that exhibits a relaxor-like dielectric anomaly. 30 cm^…