E. Sakai

activity

20122020

most citedElectronic structure of hole-doped delafossite oxides CuCr_{1-x}Mg_{x}O_{2}

45 citations · 259 across the 11 of their papers we have counts for

collaborators

11 papers

cond-mat.mtrl-sci2020

Temperature evolution of magnetic phases near the thickness-dependent metal-insulator transition in La $_{1 - x}$ Sr $_{x}$ MnO $_{3}$ thin films observed by XMCD

Goro Shibata, Kohei Yoshimatsu, Enju Sakai +9

Perovskite-type manganites, which are well-known for their intriguing physical properties such as colossal magnetoresistance (CMR) and half metalicity, have been considered as cand…

cond-mat.str-el2019★ 19 cited

Relationship between charge redistribution and ferromagnetism at the heterointerface between perovskite oxides LaNiO $_{3}$ and LaMnO $_{3}$

Miho Kitamura, Masaki Kobayashi, Enju Sakai +10

To investigate the relationship between the charge redistribution and ferromagnetism at the heterointerface between perovskite transition-metal oxides LaNiO $_{3}$ (LNO) and LaMnO $_{3}$ …

cond-mat.mtrl-sci2017★ 21 cited

Emergence of quantum critical behavior in metallic quantum-well states of strongly correlated oxides

Masaki Kobayashi, Kohei Yoshimatsu, Taichi Mitsuhashi +7

Controlling quantum critical phenomena in strongly correlated electron systems, which emerge in the neighborhood of a quantum phase transition, is a major challenge in modern conde…

cond-mat.mtrl-sci2015★ 35 cited

Fermi Surfaces and $p$ - $d$ Hybridization in the Diluted Magnetic Semiconductor Ba $_{1 - x}$ K $_{x}$ (Zn $_{1 - y}$ Mn $_{y}$ ) $_{2}$ As $_{2}$ Studied by Soft X-ray Angle Resolved Photoemission Spectroscopy

H. Suzuki, G. Q. Zhao, K. Zhao +14

The electronic structure of the new diluted magnetic semiconductor Ba $_{1 - x}$ K $_{x}$ (Zn $_{1 - y}$ Mn $_{y}$ ) $_{2}$ As $_{2}$ ( $x = 0.30$ , $y = 0.15$ ) in single crystal form has been investig…

cond-mat.str-el2015★ 18 cited

Isotropic Kink and Quasiparticle Excitations in the Three-Dimensional Perovskite Manganite La $_{0.6}$ Sr $_{0.4}$ MnO $_{3}$

Koji Horiba, Miho Kitamura, Kohei Yoshimatsu +5

In order to reveal many-body interactions in the three-dimensional (3D) perovskite manganite, we have performed an $in$ $s i t u$ angle-resolved photoemission spectroscopy (ARPES) on…

cond-mat.mtrl-sci2014★ 36 cited

Origin of the anomalous mass renormalization in metallic quantum well states of correlated oxide SrVO $_{3}$

Masaki Kobayashi, Kohei Yoshimatsu, Enju Sakai +4

$I n$ $s i t u$ angle-resolved photoemission spectroscopy (ARPES) has been performed on SrVO $_{3}$ ultrathin films, which show metallic quantum well (QW) states, to unveil the origin of…

cond-mat.str-el2013★ 15 cited

Spectroscopic studies on the electronic and magnetic states of Co-doped perovskite manganite Pr0.8Ca0.2Mn1-yCoyO3 thin films

K. Yoshimatsu, H. Wadati, E. Sakai +13

We have investigated the electronic and magnetic properties of Co-doped Pr0.8Ca0.2MnO3 thin films using various spectroscopic techniques. X-ray absorption and hard x-ray photoemiss…

cond-mat.str-el2013★ 34 cited

Thickness-dependent ferromagnetic metal to paramagnetic insulator transition in La $_{0.6}$ Sr $_{0.4}$ MnO $_{3}$ thin films studied by x-ray magnetic circular dichroism

Goro Shibata, Kohei Yoshimatsu, Enju Sakai +14

Metallic transition-metal oxides undergo a metal-to-insulator transition (MIT) as the film thickness decreases across a ritical thickness of several monolayers (MLs), but its drivi…

cond-mat.supr-con2013★ 32 cited

Absence of Superconductivity in the "hole-doped" Fe pnictide Ba(Fe $_{1 - x}$ Mn $_{x}$ ) $_{2}$ As $_{2}$ : Photoemission and X-ray Absorption Spectroscopy Studies

H. Suzuki, T. Yoshida, S. Ideta +12

We have studied the electronic structure of Ba(Fe $_{1 - x}$ Mn $_{x}$ ) $_{2}$ As $_{2}$ ( $x$ =0.08), which fails to become a superconductor in spite of the formal hole doping like Ba$_{1-x…

cond-mat.str-el2013★ 4 cited

Phase competitions in epitaxial Pr $_{0.5}$ Ca $_{0.5}$ MnO $_{3}$ /La $_{0.5}$ Sr $_{0.5}$ MnO $_{3}$ superlattices

H. Wadati, J. Okamoto, M. Garganourakis +5

We studied the charge-orbital ordering in the superlattice of charge-ordered insulating Pr $_{0.5}$ Ca $_{0.5}$ MnO $_{3}$ and ferromagnetic metallic La $_{0.5}$ Sr $_{0.5}$ MnO $_{3}$ by resona…

cond-mat.str-el2012★ 45 cited

Electronic structure of hole-doped delafossite oxides CuCr_{1-x}Mg_{x}O_{2}

T. Yokobori, M. Okawa, K. Konishi +14

We report the detailed electronic structure of a hole-doped delafossite oxide CuCr_{1-x}Mg_{x}O_{2} (0 <= x <= 0.03) studied by photoemission spectroscopy (PES), soft x-ray absorpt…

Temperature evolution of magnetic phases near the thickness-dependent metal-insulator transition in La1−x​Srx​MnO3​ thin films observed by XMCD

Relationship between charge redistribution and ferromagnetism at the heterointerface between perovskite oxides LaNiO3​ and LaMnO3​

Emergence of quantum critical behavior in metallic quantum-well states of strongly correlated oxides

Fermi Surfaces and p-d Hybridization in the Diluted Magnetic Semiconductor Ba1−x​Kx​(Zn1−y​Mny​)2​As2​ Studied by Soft X-ray Angle Resolved Photoemission Spectroscopy

Isotropic Kink and Quasiparticle Excitations in the Three-Dimensional Perovskite Manganite La0.6​Sr0.4​MnO3​

Origin of the anomalous mass renormalization in metallic quantum well states of correlated oxide SrVO3​