Hideki Kuwahara

activity

20052015

most citedAn orbital glass state of a nearly metallic spinel, CoV

_{2}

_{4}

34 citations · 125 across the 9 of their papers we have counts for

collaborators

9 papers

cond-mat.str-el2015★ 34 cited

An orbital glass state of a nearly metallic spinel, CoV $_{2}$ O $_{4}$

R. Koborinai, S. E. Dissanayake, M. Reehuis +3

Strain, magnetization, and unpolarized and polarized neutron diffraction measurements were performed to study the magnetic and structural properties of spinel CoV $_{2}$ O $_{4}$ . Mag…

cond-mat.str-el2012★ 33 cited

Multiferroic properties of an åkermanite Sr $_{2}$ CoSi $_{2}$ O $_{7}$ single crystal in high magnetic fields

M. Akaki, H. Iwamoto, T. Kihara +2

The magnetic and dielectric properties of åkermanite Sr $_{2}$ CoSi $_{2}$ O $_{7}$ single crystals in high magnetic fields were investigated. We have observed finite induced electric polariz…

cond-mat.str-el2009★ 4 cited

$R$ -site Randomness Effect in Double-Perovskite $R$ BaMn $_{2}$ O $_{6}$

Y. Miyauchi, S. Fukushima, J. Tozawa +3

We have investigated the $R$ -site randomness effect of $R$ /Ba-ordered $R$ BaMn $_{2}$ O $_{6}$ ( $R$ = rare earth) by using Y $_{1 - y}$ La $_{y}$ BaMn $_{2}$ O $_{6}$ (0 (\leq) $y$ (\leq) 1) in which…

cond-mat.str-el2009★ 1 cited

$A$ -site substitution effect on physical properties of Sr $_{3}$ Fe $_{2 - x}$ Co $_{x}$ O $_{7 - δ}$

J. Tozawa, M. Akaki, D. Akahoshi +2

We have investigated the $L n^{3 +}$ -substitution ( $L n$ = lanthanoid) effect of a quasi two-dimensional ferromagnet Sr $_{3}$ Fe $_{2 - x}$ Co $_{x}$ O $_{7 - δ}$ ( $x$ $=$ 0.5). % $L n^{3 +}$ -substitu…

cond-mat.str-el2009★ 9 cited

Magnetoelectric Properties of (Ca $_{1 - x}$ Sr $_{x}$ ) $_{2}$ CoSi $_{2}$ O $_{7}$ Crystals

M. Akaki, J. Tozawa, M. Hitomi +2

We have investigated the magnetoelectric properties of (Ca $_{1 - x}$ Sr $_{x}$ ) $_{2}$ CoSi $_{2}$ O $_{7}$ ( $0 \leq x \leq 1$ ) crystals with a quasi-two-dimensional structure. In Ca $_{2}$ CoSi $_{2}$ O$_…

cond-mat.str-el2008★ 3 cited

Chemical potential landscape in band filling and bandwidth-control of manganites: Photoemission spectroscopy measurements

K. Ebata, M. Takizawa, A. Fujimori +3

We have studied the effects of band filling and bandwidth control on the chemical potential in perovskite manganites $R_{1 - x} A_{x}$ MnO $_{3}$ ( $R$ : rare earth, $A$ : alkaline earth) by…

cond-mat.str-el2006★ 4 cited

Control of the ferroelectricity in metastable state for orthorhombic $R$ MnO $_{3}$ crystals

K. Noda, M. Akaki, F. Nakamura +2

We have investigated orthorhombic $R$ MnO $_{3}$ ( $R$ =(Gd $_{1 - y}$ Tb $_{y}$ )) crystals near the phase boundary between the paraelectric $A$ -type-antiferromagnetic (AF) phase (PA) and t…

cond-mat.str-el2005★ 31 cited

Magnetic-field-induced switching between ferroelectric phases in orthorhombic-distortion-controlled $R$ MnO $_{3}$

K. Noda, M. Akaki, T. Kikuchi +2

We have investigated the dielectric and magnetic properties of Eu $_{0.595}$ Y $_{0.405}$ MnO $_{3}$ $w i t h o u t$ the presence of the 4 $f$ magnetic moments of the rare earth ions, and have…

cond-mat.str-el2005★ 6 cited

Enhancement of the anomalous Hall effect and spin glass behavior in the bilayered manganite La(2-2x)Sr(1+2x)Mn2O7

Y. Hirobe, Y. Ashikawa, R. Kawasaki +3

The Hall resistivity and magnetization have been investigated in the ferromagnetic state of the bilayered manganite La(2-2x)Sr(1+2x)Mn2O7 (x=0.36). The Hall resistivity shows an in…

An orbital glass state of a nearly metallic spinel, CoV2​O4​

Multiferroic properties of an åkermanite Sr2​CoSi2​O7​ single crystal in high magnetic fields

R-site Randomness Effect in Double-Perovskite RBaMn2​O6​

A-site substitution effect on physical properties of Sr3​Fe2−x​Cox​O7−δ​

Magnetoelectric Properties of (Ca1−x​Srx​)2​CoSi2​O7​ Crystals