N. Yoneyama

activity

20012005

most citedImaging phase separation near the Mott boundary in the correlated organic superconductors

κ

-(BEDT-TTF)

_{2}

60 citations · 203 across the 5 of their papers we have counts for

collaborators

6 papers

cond-mat.supr-con2005★ 15 cited

Phase separation in the vicinity of the surface of $κ$ -(BEDT-TTF) $_{2}$ Cu[N(CN) $_{2}$ ]Br by fast cooling

N. Yoneyama, T. Sasaki, N. Kobayashi +2

Partial suppression of superconductivity by fast cooling has been observed in the organic superconductor $κ$ -(BEDT-TTF) $_{2}$ Cu[N(CN) $_{2}$ ]Br by two means: a marked sample size effect…

cond-mat.supr-con2004★ 52 cited

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

T. Sasaki, N. Yoneyama, A. Suzuki +3

Systematic 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…

cond-mat.supr-con2004★ 25 cited

Superconducting Properties under Magnetic Field in Na $_{0.35}$ CoO $_{2} \cdot 1.3$ H $_{2}$ O Single Crystal

Takahiko Sasaki, Petre Badica, Naoki Yoneyama +3

We report the in-plane resistivity and magnetic susceptibility of the layered cobalt oxide Na $_{0.35}$ CoO $_{2} \cdot 1.3$ H $_{2}$ O single crystal. The temperature dependence of the…

cond-mat.str-el2004★ 60 cited

Imaging phase separation near the Mott boundary in the correlated organic superconductors $κ$ -(BEDT-TTF) $_{2}$ X

T. Sasaki, N. Yoneyama, N. Kobayashi +2

Electronic phase separation consisting of the metallic and insulating domains with 50 -- 100 $μ$ m in diameter is found in the organic Mott system $κ$ -[( $h$ 8-BEDT-TTF) $_{1 - x}$ ( $d$ 8-…

cond-mat.supr-con2003★ 51 cited

Electronic correlation in the infrared optical properties of the quasi two dimensional $κ$ -type BEDT-TTF dimer system

T. Sasaki, I. Ito, N. Yoneyama +5

The polarized optical reflectance spectra of the quasi two dimensional organic correlated electron system $κ$ -(BEDT-TTF) $_{2}$ Cu[N(CN) $_{2}$ ] $Y$ , $Y =$ Br and Cl are measured in th…

cond-mat.supr-con2001

Disorder Effect on the Vortex Pinning by the Cooling Process Control in the Organic Superconductor $κ$ -(BEDT-TTF) $_{2}$ Cu[N(CN) $_{2}$ ]Br

N. Yoneyama, T. Sasaki, T. Nishizaki +1

We investigate the influence of disorders in terminal ethylene groups of BEDT-TTF molecules (ethylene-disorders) on the vortex pinning of the organic superconductor $κ$ -(BEDT-TTF)$…

Phase separation in the vicinity of the surface of κ-(BEDT-TTF)2​Cu[N(CN)2​]Br by fast cooling

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

Superconducting Properties under Magnetic Field in Na0.35​CoO2​⋅1.3H2​O Single Crystal

Imaging phase separation near the Mott boundary in the correlated organic superconductors κ-(BEDT-TTF)2​X

Electronic correlation in the infrared optical properties of the quasi two dimensional κ-type BEDT-TTF dimer system