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Journal Articles

Sr2MgMoO6−δ thin films fabricated using pulsed-laser deposition with high concentrations of oxygen vacancies

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K. Shigematsu, A. Chikamatsu, T. Fukumura, S. Toyoda, E. Ikenaga, T. Hasegawa
Journal: Applied Physics Letters
Appl. Phys. Lett. 104, 261901 (2014)
https://doi.org/10.1063/1.4886136
Published: June 2014
View articletitled, Sr2MgMoO6−δ thin films fabricated using pulsed-laser deposition with high concentrations of oxygen vacancies
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Journal Articles

Quantum confinement effect in Bi anti-dot thin films with tailored pore wall widths and thicknesses

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Y. Park, Y. Hirose, S. Nakao, T. Fukumura, J. Xu, T. Hasegawa
Journal: Applied Physics Letters
Appl. Phys. Lett. 104, 023106 (2014)
https://doi.org/10.1063/1.4861775
Published: January 2014
View articletitled, Quantum confinement effect in Bi anti-dot thin films with tailored pore wall widths and thicknesses
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Journal Articles

Full compensation of oxygen vacancies in EuTiO3 (001) epitaxial thin film stabilized by a SrTiO3 surface protection layer

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K. Shimamoto, K. Hatabayashi, Y. Hirose, S. Nakao, T. Fukumura, T. Hasegawa
Journal: Applied Physics Letters
Appl. Phys. Lett. 102, 042902 (2013)
https://doi.org/10.1063/1.4789778
Published: January 2013
View articletitled, Full compensation of oxygen vacancies in EuTiO3 (001) epitaxial thin film stabilized by a SrTiO3 surface protection layer
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Journal Articles

Ferromagnetism of cobalt-doped anatase TiO 2 studied by bulk- and surface-sensitive soft x-ray magnetic circular dichroism

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V. R. Singh, K. Ishigami, V. K. Verma, G. Shibata, Y. Yamazaki, T. Kataoka, A. Fujimori, F.-H. Chang, D.-J. Huang, H.-J. Lin, C. T. Chen, Y. Yamada, T. Fukumura, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 100, 242404 (2012)
https://doi.org/10.1063/1.4729123
Published: June 2012
View articletitled, Ferromagnetism of cobalt-doped anatase TiO 2 studied by bulk- and surface-sensitive soft x-ray magnetic circular dichroism
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Journal Articles

Enhanced coercivity of half-metallic La0.7Sr0.3MnO3 by Ru substitution under in-plane uniaxial strain

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K. Shigematsu, A. Chikamatsu, Y. Hirose, T. Fukumura, T. Hasegawa
Journal: Journal of Applied Physics
Series: Magnetism and Magnetic Materials
J. Appl. Phys. 111, 07B102 (2012)
https://doi.org/10.1063/1.3672852
Published: February 2012
View articletitled, Enhanced coercivity of half-metallic La0.7Sr0.3MnO3 by Ru substitution under in-plane uniaxial strain
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Journal Articles

Control of ferromagnetism at room temperature in (Ti,Co)O2−δ via chemical doping of electron carriers

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Y. Yamada, T. Fukumura, K. Ueno, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 99, 242502 (2011)
https://doi.org/10.1063/1.3669505
Published: December 2011
View articletitled, Control of ferromagnetism at room temperature in (Ti,Co)O2−δ via chemical doping of electron carriers
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Journal Articles

Observation of anomalous Hall effect in EuO epitaxial thin films grown by a pulse laser deposition

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T. Yamasaki, K. Ueno, A. Tsukazaki, T. Fukumura, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 98, 082116 (2011)
https://doi.org/10.1063/1.3557050
Published: February 2011
View articletitled, Observation of anomalous Hall effect in EuO epitaxial thin films grown by a pulse laser deposition
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Journal Articles

Ultrafast dynamics of excitons in delafossite CuScO 2 thin films

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Fucai Liu, T. Makino, H. Hiraga, T. Fukumura, Yongfa Kong, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 96, 211904 (2010)
https://doi.org/10.1063/1.3436548
Published: May 2010
View articletitled, Ultrafast dynamics of excitons in delafossite CuScO 2 thin films
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Journal Articles

Spatial distribution of two-dimensional electron gas in a ZnO / Mg 0.2 Zn 0.8 O heterostructure probed with a conducting polymer Schottky contact

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M. Nakano, A. Tsukazaki, K. Ueno, R. Y. Gunji, A. Ohtomo, T. Fukumura, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 96, 052116 (2010)
https://doi.org/10.1063/1.3309699
Published: February 2010
View articletitled, Spatial distribution of two-dimensional electron gas in a ZnO / Mg 0.2 Zn 0.8 O heterostructure probed with a conducting polymer Schottky contact
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Journal Articles

Interplay between magnetic impurities and photoinduced carriers in surface depletion layer of anatase Ti 1 − x Co x O 2 − δ thin film probed by x-ray photoemission spectroscopy

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N. Yamashita, T. Sudayama, T. Mizokawa, Y. Yamada, T. Fukumura, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 96, 021907 (2010)
https://doi.org/10.1063/1.3291680
Published: January 2010
View articletitled, Interplay between magnetic impurities and photoinduced carriers in surface depletion layer of anatase Ti 1 − x Co x O 2 − δ thin film probed by x-ray photoemission spectroscopy
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Journal Articles

Excitonic characteristics in direct wide-band-gap CuScO 2 epitaxial thin films

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H. Hiraga, T. Makino, T. Fukumura, A. Ohtomo, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 95, 211908 (2009)
https://doi.org/10.1063/1.3268476
Published: November 2009
View articletitled, Excitonic characteristics in direct wide-band-gap CuScO 2 epitaxial thin films
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Journal Articles

Optical and magnetic properties of CuMnO 2 epitaxial thin films with a delafossite-derivative structure

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H. Hiraga, T. Fukumura, A. Ohtomo, T. Makino, A. Ohkubo, H. Kimura, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 95, 032109 (2009)
https://doi.org/10.1063/1.3186790
Published: July 2009
View articletitled, Optical and magnetic properties of CuMnO 2 epitaxial thin films with a delafossite-derivative structure
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Journal Articles

Co-doped TiO 2 films grown on glass: Room-temperature ferromagnetism accompanied with anomalous Hall effect and magneto-optical effect

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T. Yamasaki, T. Fukumura, Y. Yamada, M. Nakano, K. Ueno, T. Makino, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 94, 102515 (2009)
https://doi.org/10.1063/1.3095664
Published: March 2009
View articletitled, Co-doped TiO 2 films grown on glass: Room-temperature ferromagnetism accompanied with anomalous Hall effect and magneto-optical effect
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Journal Articles

Transparent polymer Schottky contact for a high performance visible-blind ultraviolet photodiode based on ZnO

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M. Nakano, T. Makino, A. Tsukazaki, K. Ueno, A. Ohtomo, T. Fukumura, H. Yuji, S. Akasaka, K. Tamura, K. Nakahara, T. Tanabe, A. Kamisawa, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 93, 123309 (2008)
https://doi.org/10.1063/1.2989125
Published: September 2008
View articletitled, Transparent polymer Schottky contact for a high performance visible-blind ultraviolet photodiode based on ZnO
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Journal Articles

Polymer Schottky contact on O-polar ZnO with silane coupling agent as surface protective layer

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R. Y. Gunji, M. Nakano, A. Tsukazaki, A. Ohtomo, T. Fukumura, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 93, 012104 (2008)
https://doi.org/10.1063/1.2956419
Published: July 2008
View articletitled, Polymer Schottky contact on O-polar ZnO with silane coupling agent as surface protective layer
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Journal Articles

Anomalous Hall effect in anatase Ti 1 − x Co x O 2 − δ above room temperature

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K. Ueno, T. Fukumura, H. Toyosaki, M. Nakano, T. Yamasaki, Y. Yamada, M. Kawasaki
Journal: Journal of Applied Physics
Series: Magnetism and Magnetic Materials
J. Appl. Phys. 103, 07D114 (2008)
https://doi.org/10.1063/1.2834247
Published: February 2008
View articletitled, Anomalous Hall effect in anatase Ti 1 − x Co x O 2 − δ above room temperature
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Journal Articles

Schottky contact on a ZnO (0001) single crystal with conducting polymer

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M. Nakano, A. Tsukazaki, R. Y. Gunji, K. Ueno, A. Ohtomo, T. Fukumura, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 91, 142113 (2007)
https://doi.org/10.1063/1.2789697
Published: October 2007
View articletitled, Schottky contact on a ZnO (0001) single crystal with conducting polymer
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Journal Articles

Anomalous Hall effect in anatase Ti 1 − x Co x O 2 − δ at low temperature regime

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K. Ueno, T. Fukumura, H. Toyosaki, M. Nakano, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 90, 072103 (2007)
https://doi.org/10.1063/1.2535777
Published: February 2007
View articletitled, Anomalous Hall effect in anatase Ti 1 − x Co x O 2 − δ at low temperature regime
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Journal Articles

Spin‐related Magnetoresistance of n‐type ZnO:Al and Zn1−xMnxO:Al Thin Films

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T. Andrearczyk, J. Jaroszyński, G. Grabecki, T. Dietl, T. Fukumura, M. Kawasaki
Journal: AIP Conference Proceedings
AIP Conf. Proc. 850, 1498–1499 (2006)
https://doi.org/10.1063/1.2355271
Published: September 2006
View articletitled, Spin‐related Magnetoresistance of n‐type ZnO:Al and Zn1−xMnxO:Al Thin Films
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Journal Articles

Indication of intrinsic room-temperature ferromagnetism in Ti 1 − x Co x O 2 − δ thin film: An x-ray magnetic circular dichroism study

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K. Mamiya, T. Koide, A. Fujimori, H. Tokano, H. Manaka, A. Tanaka, H. Toyosaki, T. Fukumura, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 89, 062506 (2006)
https://doi.org/10.1063/1.2236829
Published: August 2006
View articletitled, Indication of intrinsic room-temperature ferromagnetism in Ti 1 − x Co x O 2 − δ thin film: An x-ray magnetic circular dichroism study
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