K. Takubo

activity

20052008

most citedSignature of Carrier-Induced Ferromagnetism in Ti_{1-x}Co_{x}O_{2-delta}: Exchange Interaction Between High-Spin Co 2+ and the Ti 3d Conduction Band

101 citations · 180 across the 4 of their papers we have counts for

collaborators

5 papers

cond-mat.str-el2008★ 17 cited

In-gap state and effect of light illumination in CuIr $_{2}$ S $_{4}$ probed by photoemission spectroscopy

K. Takubo, T. Mizokawa, N. Matsumoto +1

We have studied disorder-induced in-gap states and effect of light illumination in the insulating phase of spinel-type CuIr $_{2}$ S $_{4}$ using ultra-violet photoemission spectroscopy (…

cond-mat.str-el2007★ 51 cited

Unusual superexchange pathways in a Ni triangular lattice of NiGa $_{2}$ S $_{4}$ with negative charge-transfer energy

K. Takubo, T. Mizokawa, J. -Y. Son +5

We have studied the electronic structure of the Ni triangular lattice in NiGa $_{2}$ S $_{4}$ using photoemission spectroscopy and subsequent model calculations. The cluster-model analysi…

cond-mat.str-el2007★ 11 cited

Observation of photoinduced phase transition in phase-separated Pr $_{0.55}$ (Ca $_{1 - y}$ Sr $_{y}$ ) $_{0.45}$ MnO $_{3}$ thin films via x-ray photoemission spectroscopy

K. Takubo, J. -Y. Son, T. Mizokawa +2

Perovskite manganite thin films, $P r_{0.55} (C a_{1 - y} S r_{y})_{0.45} M n O_{3}$ , have been studied using x-ray photoemission spectroscopy in order to clarify the consequence of the competit…

cond-mat.str-el2005★ 101 cited

Signature of Carrier-Induced Ferromagnetism in Ti_{1-x}Co_{x}O_{2-delta}: Exchange Interaction Between High-Spin Co 2+ and the Ti 3d Conduction Band

J. W. Quilty, A. Shibata, J. -Y. Son +5

X-ray photoemission spectroscopy measurements were performed on thin-film samples of rutile Ti_{1-x}Co_{x}O_{2-delta} to reveal the electronic structure. The Co 2p core level spect…

cond-mat.mtrl-sci2005

High-energy spectroscopic study of the III-V nitride-based diluted magnetic semiconductor Ga $_{1 - x}$ Mn $_{x}$ N

J. I. Hwang, Y. Ishida, M. Kobayashi +12

We have studied the electronic structure of the diluted magnetic semiconductor Ga $_{1 - x}$ Mn $_{x}$ N ( $x$ = 0.0, 0.02 and 0.042) grown on Sn-doped $n$ -type GaN using photoemission an…

In-gap state and effect of light illumination in CuIr2​S4​ probed by photoemission spectroscopy

Unusual superexchange pathways in a Ni triangular lattice of NiGa2​S4​ with negative charge-transfer energy

Observation of photoinduced phase transition in phase-separated Pr0.55​(Ca1−y​Sry​)0.45​MnO3​ thin films via x-ray photoemission spectroscopy

Signature of Carrier-Induced Ferromagnetism in Ti_{1-x}Co_{x}O_{2-delta}: Exchange Interaction Between High-Spin Co 2+ and the Ti 3d Conduction Band

High-energy spectroscopic study of the III-V nitride-based diluted magnetic semiconductor Ga1−x​Mnx​N

In-gap state and effect of light illumination in CuIr $_{2}$ S $_{4}$ probed by photoemission spectroscopy

Unusual superexchange pathways in a Ni triangular lattice of NiGa $_{2}$ S $_{4}$ with negative charge-transfer energy

Observation of photoinduced phase transition in phase-separated Pr $_{0.55}$ (Ca $_{1 - y}$ Sr $_{y}$ ) $_{0.45}$ MnO $_{3}$ thin films via x-ray photoemission spectroscopy

High-energy spectroscopic study of the III-V nitride-based diluted magnetic semiconductor Ga $_{1 - x}$ Mn $_{x}$ N