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[Publications] Yoshitaka Taniyasu, Akihiko Yoshikawa: "In-situ Monitoring of Surface Stoichiometry and Growth Kinetics Study of GaN(0001)in MOVPE by Spectroscopic Ellipsometry"J.Electronic Materials. vol.30,No.11. 1402-1407 (2001)
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[Publications] K.Xu, N.Yano, A.W.Jia, A.Yoshikawa, K.Takahashi: "Kinetic process in polarity selection of GaN grown by RF-MBE"Phys.Stat.Sol.(b). vol.228,No.2. 523-527 (2001)
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[Publications] A.Yoshikawa, K.Takahashi: "A New"Three-Step Method"for High Quality MOVPE Growth of III-Nitrides on Sapphire"Phys.Stat.Sol.(b). vol.228,No.2. 625-628 (2001)
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[Publications] K.Xu, N.Yano, A.W.Jia, K.Takahashi, A.Yoshikawa: "Polarity Control of GaN Grown on Sapphire Substrate by RF-MBE"J.Crystal Growth. vol.227-228. 404-409 (2001)
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[Publications] H.Hayashi, A.Hayashida, A.Jia, K.Takahashi, A.Yoshikawa: J.Crystal Growth. vol.237-239. 99-103 (2002)
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[Publications] K.Xu, N.Yano, A.W.Jia, K.Takahashi, A.Yoshikawa: "In-situ Real-time Analysis on Strain Relaxation Process in GaN Growth on Sapphire by RF-MBE"J.Crystal Growth. vol.237-239. 94-98 (2002)
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[Publications] B.L.Liu, M.Lachab, A.Jia, A.Yoshikawa, K.Takahashi: "MOCVD growth of device-quality GaN on sapphire using a three-step approach"J.Crystal Growth. vol.234. 637-645 (2002)
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[Publications] Akihiko Yoshikawa, Ke Xu: "Polarity selection process and polarity manipulation of GaN in MOVPE and RF-MBE growth"Thin Solid Films. (in press). (2002)
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[Publications] Akihiko Yoshikawa, Ke Xu, Yoshitaka Taniyasu, Kiyoshi Takahashi: "Spectroscopic Ellipsometry In-situ Monitoring/control of GaN Epitaxial Growth in MOVPE and MBE"Phys.Solid Status(a). (in press). (2002)
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[Publications] D.H.Lim, K.Xu, S.Arima, A.Yoshikawa, K.Takahashi: "Polarity inversion of GaN films by trimethyl-aluminum preflow in low-pressure MOVPE growth"J.Appl.Phys. Vol.90,No.7(in press). (2002)
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[Publications] K.Xu, D.H.Lim, B.L.Liu, X.L.Du, A.W.Jia, A.Yoshikawa: "Atomic force microscopy study of GaN grown on Al2O3(0001)by LP-MOVPE"Mat.Res.Soc.Symp. Vol.639,G3.28. 1-5 (2001)
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[Publications] A.Yoshikawa, K.Xu: "Study on polarity manipulation processes of III-nitrides in MOVPE and RF-MBE growth"Proceedings of The 6^<th> China-Japan Symposium on Thin Films Growth. 55-58 (2001)
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[Publications] A.Yoshikawa, K.Xu, A.W.Jia, K.Takahashi: "Polarity-controlled growth of GaN on Sapphire Substrate by MOVPE and RF-MBE"Proceedings of China-Japan Workshop on Nitride Semiconductor Materials and Devices. 17-19 (2001)
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[Publications] X.L.Du, D.H.Lim, K.Xu, B.L.Liu, A.W.Jia, K.Takahashi, A.Yoshikawa: "Cross-sectional Cathodoluminescence Study in Ga-polar and N-polar GaN Epilayers"Mat.Res.Soc.Symp.. Vol.639,G6.16. 1-6 (2001)
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[Publications] K.Xu, N.Yano, A.W.Jia, A.Yoshikawa, K.Takahashi: "In-situ monitoring and control of RF-MBE growth for high quality III-nitrides"JSPS meeting of 162nd Committee and 125 committee. (2001)
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[Publications] K.Xu, W.Terashima, T.Hata, Y.Ishitani, A.Yoshikawa: "Heteroepitaxy and polarity control of GaN in RF-MBE growth"JSPS meeting of 162nd Committee. (2001)