論文 - 宇治原 徹
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Conversion Mechanism of Threading Screw Dislocation during SiC Solution Growth 査読有り
Toru Ujihara, Shigeta Kozawa, Kazuaki Seki, Alexander, Yuji Yamamoto, Shunta Harada
Materials Science Forum 717–720 巻 頁： 351-354 2012年5月
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Stable Growth of 4H-SiC Single Polytype by Controlling the Surface Morphology Using a Temperature Gradient in Solution Growth 査読有り
Yuji Yamamoto, Kazuaki Seki, Shigeta Kozawa, Alexander, Shunta Harada, Toru Ujihara
Materials Science Forum 717–720 巻 頁： 53-56 2012年5月
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Substrate dependence of the superconducting properties of NdFeAs(O,F) thin films 査読有り
Hiroki Uemura, Takahiko Kawaguchi, Toshiya Ohno, Masao Tabuchi, Toru Ujihara, Yoshikazu Takeda, Hiroshi Ikuta
Solid State Communications 152 巻 ( 8 ) 頁： 735-739 2012年4月
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Polytype Transformation by Replication of Stacking Faults Formed by Two-Dimensional Nucleation on Spiral Steps during SiC Solution Growth 査読有り
Shunta Harada, Alexander, Kazuaki Seki, Yuji Yamamoto, Can Zhu, Yuta Yamamoto, Shigeo Arai, Jun Yamasaki, Nobuo Tanaka, and Toru Ujihara
Crystal Growth & Design 12 巻 ( (6) ) 頁： 3209-3214 2012年
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30-kV spin-polarized transmission electron microscope with GaAs-GaAsP strained superlattice photocathode 査読有り
M. Kuwahara, S. Kusunoki, X. G. Jin, T. Nakanishi, Y. Takeda, K. Saitoh, T. Ujihara, H. Asano, and N. Tanaka
Appl. Phys. Lett. 101 巻 頁： 033102 2012年
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“Development of Spin-Polarized and Pulsed TEM “ 査読有り
371 巻 頁： 012004 2012年
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“High-Efficiency Conversion of Threading Screw Dislocations in 4H-SiC by Solution Growth” 査読有り
5 巻 頁： 115501 (3 pages). 2012年
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Formation process of 3C-SiC on 6H-SiC (0001) by low-temperature solution growth in Si-Sc-C system 査読有り
Kazuaki Seki, Alexander, Shigeta Kozawa, Toru Ujihara, Patrick Chaudouët, Didier Chaussende, Yoshikazu Takeda
Journal of Crystal Growth 335 巻 ( 1 ) 頁： 94-99 2011年11月
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Anomalous Diffusion in Supported Lipid Bilayers Induced by Oxide Surface Nanostructures 査読有り
Ryugo Tero, Gen Sazaki, Toru Ujihara, and Tsuneo Urisu
27 巻 頁： 9662-9665 2011年
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Development of spin-polarized transmission electron microscope 査読有り
M. Kuwahara, Y. Takeda, K. Saitoh, T. Ujihara, H. Asano, T. Nakanishi and N Tanaka
298 巻 頁： 012016 2011年
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Polytype stability of 4H-SiC seed crystal on solution growth 査読有り
Alexander, K. Seki, S. Kozawa, Y. Yamamoto, T. Ujihara and Y. Takeda
Materials Science Forum 679-680 巻 頁： pp 24-27 2011年
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Defect evaluation of SiC crystal grown by solution method: the study by synchrotron X-ray topography and etching method 査読有り
S. Kozawa, K. Seki, Alexander, Y. Yamamoto, T. Ujihara and Y. Takeda
Materials Science Forum 679-680 巻 頁： pp 28-31 2011年
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Increase of spectral width of stacked InAs quantum dots on GaAs by controlling spacer layer thickness. 査読有り
Kazuma Tani, Shingo Fuchi, Ryota Mizutani, Toru Ujihara, Yoshikazu Takeda
Journal of Crystal Growth 318 巻 頁： pp 1113-1116 2011年
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High-quality and large-area 3C-SiC growth on 6H-SiC(0 0 0 1) seed crystal with top-seeded solution method. 査読有り
Toru Ujihara, Kazuaki Seki, Ryo Tanaka, Shigeta Kozawa, Alexander, Kai Morimoto, Katsuhiro Sasaki, Yoshikazu Takeda
Journal of Crystal Growth 318 巻 頁： pp 389-393. 2011年
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Molecular Beam Epitaxy Growth of Superconducting NdFeAs(O,F) Thin Films Using a F-Getter and a Novel F-Doping Method 査読有り
Takahiko Kawaguchi, Hiroki Uemura, Toshiya Ohno, Masao Tabuchi, Toru Ujihara, Yoshikazu Takeda and Hiroshi Ikuta
Appl. Phys. Express 4 巻 頁： 083102 (3 pages) 2011年
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Epitaxial growth of LaFeAs(O,F) thin films by molecular beam epitaxy 査読有り
T. Kawaguchi , H. Uemura , T. Ohno , M. Tabuchi , T. Ujihara , K. Takenaka , Y. Takeda , H. Ikuta
Physica C: Superconductivity Volume 471 巻 ( Issues 21-22 ) 頁： pp. 1174-1176 2011年
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Status of the high brightness polarized electron source using transmission photocathode
N. Yamamoto, X.G.Jin, A. Mano, T. Ujihara, Y. Takeda, S. Okumi, T. Nakanishi, T. Yasue, T. Koshikawa, T.Oshima, T. Saka and H. Horinaka,
298 巻 頁： 012017 2011年
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Strain of GaAs/GaAsP superlattices used as spin-polarized electron photocathodes, determined by X-ray diffraction 査読有り
T. Saka, Y. Ishida, M. Kanda, X.G. Jin, Y. Maeda, S. Fuchi, T. Ujihara, Y. Takeda, T. Matsuyama, H. Horinaka, T. Kato, N. Yamamoto, A. Mano, Y. Nakagawa, M. Kuwahara, S. Okumi, T. Nakanishi, M. Yamamoto, T. Ohshima, T. Kohashi, M. Suzuki, M. Hashimoto, T. Yasue, T. Koshikawa
-Journal of Surface Science and Nanotechnology 8 巻 頁： 125-130 2010年
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Stacking Faults around the hetero-interface Induced by 6H-SiC Polytype Transformation on 3C-SiC with Solution Growth 査読有り
K. Seki, K. Morimoto, T. Ujihara, T. Tokunaga, K. Sasaki, K. Kuroda, and Y. Takeda
Mater. Sci. Forum 645-648 巻 頁： 363-366 2010年
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Real time magnetic imaging by spin-polarized low energy electron microscopy with highly spin-polarized and high brightness electron gun 査読有り
M. Suzuki, M. Hashimoto, T. Yasue, T. Koshikawa, Y. Nakagawa, T. Konomi, A. Mano, N. Yamamoto, M. Kuwahara, M. Yamamoto, S. Okumi, T. Nakanishi, X.G. Jin, T. Ujihara, Y. Takeda, T. Kohashi, T. Ohshima, T. Saka, T. Kato, and H. Horinaka
Appl. Phys. Express 3 巻 頁： 026601 2010年