52 citations · 553 across the 46 of their papers we have counts for
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Cr doping-induced ferromagnetism in the spin-glass Cd1-xMnxTe studied by x-ray magnetic circular dichroism
V. K. Verma, S. Sakamoto, K. Ishikawa +7
The prototypical diluted magnetic semiconductor Cd1-xMnxTe is a spin glass (x<0.6) or an antiferromagnet (x>0.6), but becomes ferromagnetic upon doping with a small amount of Cr at…
Magnetic Properties and Electronic Configurations of Mn Ions in the Diluted Magnetic Semiconductor BaK(ZnMn)As Studied by X-ray Magnetic Circular Dichroism and Resonant Inelastic X-ray Scattering
H. Suzuki, G. Q. Zhao, J. Okamoto +18
The magnetic properties and the electronic excitations of the new diluted magnetic semiconductor BaK(ZnMn)As have been studied by x-ray magn…
Anisotropic spin distribution and perpendicular magnetic anisotropy in the layered ferromagnetic semiconductor (Ba,K)(Zn,Mn)As
Shoya Sakamoto, Guoqiang Zhao, Goro Shibata +14
Perpendicular magnetic anisotropy of the new ferromagnetic semiconductor (Ba,K)(Zn,Mn)As is studied by angle-dependent x-ray magnetic circular dichroism measurements. T…
Hard and soft x-ray photoemission spectroscopy study of the new Kondo system SmO thin film
Shoya Sakamoto, Kenichi Kaminaga, Daichi Oka +15
SmO thin film is a new Kondo system showing a resistivity upturn around 10 K and was theoretically proposed to have a topologically nontrivial band structure. We have performed har…
Densities of states in Fe-doped III-V semiconductors: a first-principles study
Shoya Sakamoto, Atsushi Fujimori
The electronic structures of Fe-doped III-V semiconductors were studied by first-principles supercell calculation. It was found that their electronic structures are basically the s…
Magnetization process of the insulating ferromagnetic semiconductor (Al,Fe)Sb
Shoya Sakamoto, Le Duc Anh, Pham Nam Hai +12
We have studied the magnetization process of the new insulating ferromagnetic semiconductor (Al,Fe)Sb by means of x-ray magnetic circular dichroism. For an optimally doped sample w…
Electronic structure of the novel high- ferromagnetic semiconductor (Ga,Fe)Sb: x-ray magnetic circular dichroism and resonance photoemission spectroscopy studies
Shoya Sakamoto, Nguyen Thanh Tu, Yukiharu Takeda +11
The electronic structure and the magnetism of the novel ferromagnetic semiconductor (Ga,Fe)Sb, whose Curie temperature can exceed room temperature, were investigated by…
Local Magnetic States of the Weakly Ferromagnetic Iron-Based Superconductor SrVFeAsO Studied by X-ray Magnetic Circular Dichroism
Masafumi Horio, Yukiharu Takeda, Hiromasa Namiki +10
We have performed x-ray magnetic circular dichroism (XMCD) measurements on the iron-based superconductor SrVFeAsO to study the origin of weak ferromagnetism (WFM) repor…
Electronic States and Possible Origin of the Orbital-Glass State in a Nearly Metallic Spinel Cobalt Vanadate: An X-ray Magnetic Circular Dichroism Study
Yosuke Nonaka, Goro Shibata, Rui Koborinai +8
We have investigated the orbital states of the orbital-glassy (short-range orbital ordered) spinel vanadate CoVO using x-ray absorption spectroscopy (XAS),…
Volume-wise destruction of the antiferromagnetic Mott insulating state through quantum tuning
Benjamin A. Frandsen, Lian Liu, Sky C. Cheung +25
Metal-to-insulator transitions (MITs) are a dramatic manifestation of strong electron correlations in solids1. The insulating phase can often be suppressed by quantum tuning, i.e.…