Dr. Tetsuya Shimogaki Profile

Dr. Tetsuya Shimogaki

at Toyota Central R&D Labs Inc

SPIE Involvement:

Author

Publications (13)

Proceedings Article | 14 March 2016 Paper

Fabrication and bandgap engineering of doped ZnO microspheres by simple laser ablation in air

Daisuke Nakamura, Tetsuya Shimogaki, Toshinobu Tanaka, Fumiaki Nagasaki, Yuki Fujiwara, Mitsuhiro Higashihata, Hiroshi Ikenoue, Tatsuo Okada

Proceedings Volume 9735, 973511 (2016) https://doi.org/10.1117/12.2214054

KEYWORDS: Zinc oxide, Ultraviolet radiation, Laser ablation, Doping, Crystals, Ultraviolet light emitting diodes, Semiconductor lasers, Buildings, Magnesium, Nd:YAG lasers, Micro raman spectroscopy, Spectroscopy, Laser crystals

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Proceedings Article | 13 March 2015 Paper

Fabrication of ZnO crystals by UV-laser annealing on ZnO nanoparticles prepared by laser ablation method

T. Shimogaki, H. Kawahara, M. Higashihata, H. Ikenoue, D. Nakamura, Y. Nakata, T. Okada

Proceedings Volume 9364, 93640C (2015) https://doi.org/10.1117/12.2078849

KEYWORDS: Zinc oxide, Nanoparticles, Crystals, Annealing, Laser crystals, Nanocrystals, Ultraviolet radiation, Scanning electron microscopy, Laser ablation, Nanowires

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Proceedings Article | 4 March 2015 Paper

Dynamics of ZnO nanoparticles formed in the high-pressure phase during growth of ZnO nanocrystals

D. Nakamura, T. Shimogaki, S. Takao, S. Nakao, K. Harada, M. Higashihata, T. Okada

Proceedings Volume 9350, 93500X (2015) https://doi.org/10.1117/12.2080503

KEYWORDS: Zinc oxide, Nanoparticles, Laser ablation, Clouds, Nanocrystals, Light scattering, Laser scattering, Argon, Scattering, Silicon carbide

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Proceedings Article | 4 March 2015 Paper

Synthesis of Sb-doped ZnO microspheres by pulsed laser ablation and their photoluminescence properties

T. Tanaka, T. Shimogaki, F. Nagasaki, M. Higashihata, D. Nakamura, H. Ikenoue, T. Okada

Proceedings Volume 9350, 93501L (2015) https://doi.org/10.1117/12.2180460

KEYWORDS: Zinc oxide, Antimony, Ultraviolet radiation, Laser ablation, Nd:YAG lasers, Crystals, Zinc, Raman spectroscopy, Luminescence, Scanning electron microscopy

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Proceedings Article | 8 March 2014 Paper

Electroluminescence from ZnO nanowire-based heterojunction LED

D. Nakamura, N. Tetsuyama, T. Shimogaki, M. Higashihata, H. Ikenoue, T. Okada

Proceedings Volume 8987, 89870H (2014) https://doi.org/10.1117/12.2039705

KEYWORDS: Zinc oxide, Heterojunctions, Light emitting diodes, Gallium nitride, Laser irradiation, Electroluminescence, Ultraviolet radiation, Pulsed laser deposition, Visible radiation, Nanowires

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Proceedings Article | 8 March 2014 Paper

Emission characteristics of electrically- and optically-pumped single ZnO micro-spherical crystal

D. Nakamura, T. Shimogaki, N. Tetsuyama, K. Fusazaki, Y. Mizokami, M. Higashihata, H. Ikenoue, T. Okada

Proceedings Volume 8987, 89870B (2014) https://doi.org/10.1117/12.2038922

KEYWORDS: Zinc oxide, Ultraviolet radiation, Heterojunctions, Electroluminescence, Optical spheres, Crystals, Nd:YAG lasers, Laser ablation, Singular optics, Refractive index

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Proceedings Article | 8 March 2014 Paper

Control of optical and electrical properties of ZnO nanocrystals by nanosecond-laser annealing

T. Shimogaki, T. Ofuji, N. Tetsuyama, H. Kawahara, M. Higashihata, H. Ikenoue, D. Nakamura, T. Okada

Proceedings Volume 8987, 89870G (2014) https://doi.org/10.1117/12.2039184

KEYWORDS: Zinc oxide, Annealing, Thin films, Nanocrystals, Crystals, Excimer lasers, Scanning electron microscopy, Antimony, Nanowires, Nanorods

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Proceedings Article | 6 March 2014 Paper

Shape-controlled ZnO nanocrystals using multi-beam interference irradiation

D. Nakamura, T. Shimogaki, Y. Muraoka, S. Nakao, K. Harada, M. Higashihata, Y. Nakata, T. Okada

Proceedings Volume 8967, 89671G (2014) https://doi.org/10.1117/12.2039732

KEYWORDS: Zinc oxide, Nanocrystals, Sapphire, Gallium nitride, Ultraviolet radiation, Scanning electron microscopy, Nanostructures, Optoelectronics, Electron beam lithography, Nanowires

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Proceedings Article | 6 March 2014 Paper

High quality ZnO film formation by CO2 laser annealing of buried films in SiO2 matrix

K. Yamasaki, H. Ikenoue, T. Shimogaki, Y. Watanabe, D. Nakamura, T. Okada

Proceedings Volume 8967, 89671E (2014) https://doi.org/10.1117/12.2038762

KEYWORDS: Zinc oxide, Annealing, Silica, Carbon dioxide lasers, Coating, Thin films, Crystals, Luminescence, Ultraviolet radiation, Laser crystals

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Proceedings Article | 18 March 2013 Paper

Lasing characteristics of optically-pumped single ZnO micro/nanocrystal

Kota Okazaki, Tetsuya Shimogaki, Koshi Fusazaki, Mitsuhiro Higashihata, Daisuke Nakamura, Naoto Koshizaki, Tatsuo Okada

Proceedings Volume 8626, 86260W (2013) https://doi.org/10.1117/12.2004424

KEYWORDS: Zinc oxide, Optical spheres, Ultraviolet radiation, Crystals, Scanning electron microscopy, Charge-coupled devices, Spherical lenses, Micro raman spectroscopy, Continuous wave operation, Silica

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Proceedings Article | 18 March 2013 Paper

Applications of nanosecond laser annealing to fabricating p-n homo junction on ZnO nanorods

T. Shimogaki, T. Ofuji, N. Tetsuyama, K. Okazaki, M. Higashihata, D. Nakamura, H. Ikenoue, T. Asano, T. Okada

Proceedings Volume 8626, 86260V (2013) https://doi.org/10.1117/12.2003856

KEYWORDS: Zinc oxide, Annealing, Ions, Crystals, Phosphorus, Zinc, Laser crystals, Excimer lasers, Scanning electron microscopy, Nanorods

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Proceedings Article | 13 March 2013 Paper

Growth of periodic ZnO nano-crystals on buffer layer patterned by interference laser irradiation

D. Nakamura, T. Shimogaki, K. Okazaki, M. Higashihata, Y. Nakata, T. Okada

Proceedings Volume 8607, 860703 (2013) https://doi.org/10.1117/12.2002961

KEYWORDS: Zinc oxide, Laser irradiation, Scanning electron microscopy, Ultraviolet radiation, Optoelectronics, Nanocrystals, Pulsed laser deposition, Sapphire, Nd:YAG lasers, Nanowires

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Proceedings Article | 16 February 2012 Paper

Influence of ZnO buffer layer on ZnO nanowire growth by nanoparticle-assisted pulsed laser deposition

D. Nakamura, T. Shimogaki, K. Okazaki, I. Palani, K. Kubo, K. Tsuta, M. Higashihata, T. Okada

Proceedings Volume 8245, 82450N (2012) https://doi.org/10.1117/12.907514

KEYWORDS: Zinc oxide, Scanning electron microscopy, Ultraviolet radiation, Pulsed laser deposition, Visible radiation, Nanostructures, Sapphire, Oxygen, Optical properties, Nanowires

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Showing 5 of 13 publications

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