50 citations · 252 across the 12 of their papers we have counts for
12 papers
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…
Structural Alternation Correlated to the Conductivity Enhancement of PEDOT:PSS Films by Secondary Doping
K. Itoh, Y. Kato, Y. Honma +4
"Secondary doping" in poly(3,4-ethylenedioxy-thiophene):poly(styrenesulfonate) (PEDOT:PSS) is quite effective and a frequently used method for the conductivity enhancement. This si…
Lattice dynamics coupled to charge and spin degrees of freedom in the molecular dimer-Mott insulator -(BEDT-TTF)Cu[N(CN)]Cl
Masato Matsuura, Takahiko Sasaki, Satoshi Iguchi +11
Inelastic neutron scattering measurements on the molecular dimer-Mott insulator -(BEDT-TTF)Cu[N(CN)]Cl reveal a phonon anomaly in a wide temperature range. Starting…
Low temperature magnetism of gold nano particles contained in electrochemical sugar recognition system
Takayuki Goto, Y. Kitamoto, K. Matsui +6
Low temperature magnetic properties were investigated on the gold nano particles (GNP) with an average size of 11.5 nm, assembled with molecules of ruthenium complex (Ru0) and phen…
Mesoscopic 2D Charge Transport in Commonplace PEDOT:PSS Films
Yuta Honma, Keisuke Itoh, Hiroyasu Masunaga +4
The correlation between the transport properties and structural degrees of freedom of conducting polymers is a central concern in both practical applications and scientific researc…
Magneto-thermopower in the Weak Ferromagnetic Oxide CaRu0.8Sc0.2O3: An Experimental Test for the Kelvin Formula in a Magnetic Material
Takafumi D. Yamamoto, Hiroki Taniguchi, Yukio Yasui +3
We have measured the resistivity, the thermopower, and the specific heat of the weak ferromagnetic oxide CaRu0.8Sc0.2O3 in external magnetic fields up to 140 kOe below 80 K. We hav…
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…
Emergence of charge degrees of freedom under high pressure in an organic dimer-Mott insulator -(BEDT-TTF)ICl
K. Hashimoto, R. Kobayashi, H. Okamura +7
To elucidate the pressure evolution of the electronic structure in an antiferromagnetic dimer-Mott (DM) insulator -(BEDT-TTF)ICl, which exhibits superconductivi…
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…
Relaxor ferroelectricity induced by electron correlations in a molecular dimer Mott insulator
S. Iguchi, S. Sasaki, N. Yoneyama +3
We have investigated the dielectric response in an antiferromagnetic dimer-Mott insulator beta'-(BEDT-TTF)2ICl2 with square lattice, compared to a spin liquid candidate kappa-(BEDT…
Polaronic behavior of photoelectron spectra of Fe3O4 revealed by both hard X-ray and extremely low energy photons
Masato Kimura, Hidenori Fujiwara, Akira Sekiyama +14
Hard X-ray and extremely low energy bulk-sensitive photoelectron spectroscopy has been performed in the temperature range of 100-330 K for Fe3O4. In the high temperature phase just…