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Journal Articles

Precise calibration of Mg concentration in MgxZn1−xO thin films grown on ZnO substrates

Y. Kozuka, J. Falson, Y. Segawa, T. Makino, A. Tsukazaki, M. Kawasaki
Journal: Journal of Applied Physics
J. Appl. Phys. 112, 043515 (2012)
https://doi.org/10.1063/1.4748306
Published: August 2012
View article titled, Precise calibration of Mg concentration in Mg<sub><em>x</em></sub>Zn<sub>1−<em>x</em></sub>O thin films grown on ZnO substrates
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Journal Articles

Photoexcitation screening of the built-in electric field in ZnO single quantum wells

T. Makino, Y. Segawa, A. Tsukazaki, A. Ohtomo, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 93, 121907 (2008)
https://doi.org/10.1063/1.2981523
Published: September 2008
View article titled, Photoexcitation screening of the built-in electric field in ZnO single quantum wells
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Journal Articles

Optical fuse effect in a tunable liquid crystal waveguide with a Cr grating coupler

C. Kamaga, Y. Segawa, S. Tikhodeev, T. Ishihara
Journal: Applied Physics Letters
Appl. Phys. Lett. 91, 173119 (2007)
https://doi.org/10.1063/1.2800795
Published: October 2007
View article titled, Optical fuse effect in a tunable liquid crystal waveguide with a Cr grating coupler
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Journal Articles

Photoluminescence and built-in electric field in Zn O ∕ Mg 0.1 Zn 0.9 O quantum wells

B. P. Zhang, B. L. Liu, J. Z. Yu, Q. M. Wang, C. Y. Liu, Y. C. Liu, Y. Segawa
Journal: Applied Physics Letters
Appl. Phys. Lett. 90, 132113 (2007)
https://doi.org/10.1063/1.2716367
Published: March 2007
View article titled, Photoluminescence and built-in electric field in Zn O ∕ Mg 0.1 Zn 0.9 O quantum wells
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Journal Articles

Strain effects in ZnO layers deposited on 6 H - Si C

A. B. M. A. Ashrafi, Y. Segawa, K. Shin, T. Yao
Journal: Journal of Applied Physics
J. Appl. Phys. 100, 063523 (2006)
https://doi.org/10.1063/1.2345021
Published: September 2006
View article titled, Strain effects in ZnO layers deposited on 6 H - Si C
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Journal Articles

Spectral shape analysis of ultraviolet luminescence in n -type ZnO : Ga

T. Makino, Y. Segawa, S. Yoshida, A. Tsukazaki, A. Ohtomo, M. Kawasaki, H. Koinuma
Journal: Journal of Applied Physics
J. Appl. Phys. 98, 093520 (2005)
https://doi.org/10.1063/1.2127167
Published: November 2005
View article titled, Spectral shape analysis of ultraviolet luminescence in n -type ZnO : Ga
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Journal Articles

Electron transport in ZnO thin films

T. Makino, Y. Segawa, A. Tsukazaki, A. Ohtomo, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 87, 022101 (2005)
https://doi.org/10.1063/1.1991994
Published: July 2005
View article titled, Electron transport in ZnO thin films
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Journal Articles

Analytical study on exciton-longitudinal-optical-phonon coupling and comparison with experiment for ZnO quantum wells

T. Makino, Y. Segawa, M. Kawasaki
Journal: Journal of Applied Physics
J. Appl. Phys. 97, 106111 (2005)
https://doi.org/10.1063/1.1900294
Published: May 2005
View article titled, Analytical study on exciton-longitudinal-optical-phonon coupling and comparison with experiment for ZnO quantum wells
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Journal Articles

Growth of Zn O ∕ Mg Zn O quantum wells on sapphire substrates and observation of the two-dimensional confinement effect

B. P. Zhang, N. T. Binh, K. Wakatsuki, C. Y. Liu, Y. Segawa, N. Usami
Journal: Applied Physics Letters
Appl. Phys. Lett. 86, 032105 (2005)
https://doi.org/10.1063/1.1850594
Published: January 2005
View article titled, Growth of Zn O ∕ Mg Zn O quantum wells on sapphire substrates and observation of the two-dimensional confinement effect
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Journal Articles

Epitaxial growth and physical properties of a room temperature ferromagnetic semiconductor: Anatase phase Ti 1−x Co x O 2

Y. Yamada, H. Toyosaki, A. Tsukazaki, T. Fukumura, K. Tamura, Y. Segawa, K. Nakajima, T. Aoyama, T. Chikyow, T. Hasegawa, H. Koinuma, M. Kawasaki
Journal: Journal of Applied Physics
J. Appl. Phys. 96, 5097–5102 (2004)
https://doi.org/10.1063/1.1758310
Published: November 2004
View article titled, Epitaxial growth and physical properties of a room temperature ferromagnetic semiconductor: Anatase phase Ti 1−x Co x O 2
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Journal Articles

Gallium concentration dependence of room-temperature near-band-edge luminescence in n -type ZnO : Ga

T. Makino, Y. Segawa, S. Yoshida, A. Tsukazaki, A. Ohtomo, M. Kawasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 85, 759–761 (2004)
https://doi.org/10.1063/1.1776630
Published: August 2004
View article titled, Gallium concentration dependence of room-temperature near-band-edge luminescence in n -type ZnO : Ga
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Journal Articles

Low-temperature growth of ZnO nanostructure networks

B. P. Zhang, K. Wakatsuki, N. T. Binh, Y. Segawa, N. Usami
Journal: Journal of Applied Physics
J. Appl. Phys. 96, 340–343 (2004)
https://doi.org/10.1063/1.1759077
Published: July 2004
View article titled, Low-temperature growth of ZnO nanostructure networks
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Journal Articles

Temperature-dependent photoluminescence of ZnO layers grown on 6H-SiC substrates

A. B. M. A. Ashrafi, N. T. Binh, B. P. Zhang, Y. Segawa
Journal: Journal of Applied Physics
J. Appl. Phys. 95, 7738–7741 (2004)
https://doi.org/10.1063/1.1649451
Published: June 2004
View article titled, Temperature-dependent photoluminescence of ZnO layers grown on 6H-SiC substrates
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Journal Articles

Formation of highly aligned ZnO tubes on sapphire (0001) substrates

B. P. Zhang, N. T. Binh, K. Wakatsuki, Y. Segawa, Y. Yamada, N. Usami, M. Kawasaki, H. Koinuma
Journal: Applied Physics Letters
Appl. Phys. Lett. 84, 4098–4100 (2004)
https://doi.org/10.1063/1.1753061
Published: May 2004
View article titled, Formation of highly aligned ZnO tubes on sapphire (0001) substrates
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Journal Articles

Emission from the higher-order excitons in ZnO films grown by laser molecular-beam epitaxy

A. Tsukazaki, A. Ohtomo, M. Kawasaki, T. Makino, C. H. Chia, Y. Segawa, H. Koinuma
Journal: Applied Physics Letters
Appl. Phys. Lett. 84, 3858–3860 (2004)
https://doi.org/10.1063/1.1748847
Published: May 2004
View article titled, Emission from the higher-order excitons in ZnO films grown by laser molecular-beam epitaxy
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Journal Articles

Photoluminescence study of ZnO nanorods epitaxially grown on sapphire (112̄0) substrates

B. P. Zhang, N. T. Binh, Y. Segawa, Y. Kashiwaba, K. Haga
Journal: Applied Physics Letters
Appl. Phys. Lett. 84, 586–588 (2004)
https://doi.org/10.1063/1.1642755
Published: January 2004
View article titled, Photoluminescence study of ZnO nanorods epitaxially grown on sapphire (112̄0) substrates
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Journal Articles

Layer-by-layer growth of high-optical-quality ZnO film on atomically smooth and lattice relaxed ZnO buffer layer

A. Tsukazaki, A. Ohtomo, S. Yoshida, M. Kawasaki, C. H. Chia, T. Makino, Y. Segawa, T. Koida, S. F. Chichibu, H. Koinuma
Journal: Applied Physics Letters
Appl. Phys. Lett. 83, 2784–2786 (2003)
https://doi.org/10.1063/1.1615834
Published: October 2003
View article titled, Layer-by-layer growth of high-optical-quality ZnO film on atomically smooth and lattice relaxed ZnO buffer layer
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Journal Articles

Optical properties of ZnO rods formed by metalorganic chemical vapor deposition

B. P. Zhang, N. T. Binh, Y. Segawa, K. Wakatsuki, N. Usami
Journal: Applied Physics Letters
Appl. Phys. Lett. 83, 1635–1637 (2003)
https://doi.org/10.1063/1.1605803
Published: August 2003
View article titled, Optical properties of ZnO rods formed by metalorganic chemical vapor deposition
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Journal Articles

Synthesis and characterization of composition-spread ( Sr,Ca ) 2 CuO 3 thin films with high third-order optical nonlinearity

M. Ohtani, T. Fukumura, H. Sakurada, J. Nishimura, M. Kawasaki, T. Makino, K. Yamamoto, Y. Segawa
Journal: Applied Physics Letters
Appl. Phys. Lett. 83, 842–844 (2003)
https://doi.org/10.1063/1.1597411
Published: August 2003
View article titled, Synthesis and characterization of composition-spread ( Sr,Ca ) 2 CuO 3 thin films with high third-order optical nonlinearity
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Journal Articles

Realization of one-chip-multiple-wavelength laser diodes with II–VI/III–V compound semiconductors

J. S. Song, M. W. Cho, D. C. Oh, H. Makino, T. Hanada, T. Yao, B. P. Zhang, Y. Segawa, J. H. Chang, H. S. Song, I. S. Cho, H. W. Kim, J. J. Jung
Journal: Applied Physics Letters
Appl. Phys. Lett. 82, 4095–4097 (2003)
https://doi.org/10.1063/1.1578178
Published: June 2003
View article titled, Realization of one-chip-multiple-wavelength laser diodes with II–VI/III–V compound semiconductors
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