研究実績

Racent Publications

1. Ryouki Watanabe, Susumu Harako, Takashi Kuzuu, Kazuki Kouno, Tomohiro Kobayashi, Takashi Meguro and Xinwei Zhao, "Formation and structure analysis of very long ErSi2 nanowires formed on Si(110) substrate", to be published in JJAP, No. 00, pp5535-5537 (2006).6B

2. PENG Yingcai, ZHAO Xinwei and Fu Guangsheng, "21 Century-Oriented Nanoelectronics", Micronanoelectronic Technology, Vol. 43, No. 1, pp1-7 (2006).*

3. PENG Yingcai, ZHAO Xinwei, "New Progress of the Preparation for Single-Electron Devices", Micronanoelectronic Technology, Vol. 42, No. 5, 202-208 (2005).*

4. PENG Yingcai, Fu Guangsheng, ZHAO Xinwei, "Semiconductors science and technology, and Nobel physics prizes", Physics, Vol. 33, No. 5, pp 692-696 (2004).*

5. PENG Yingcai, ZHAO Xinwei, Fu Guangsheng, "Self-assembled growth of ordered Si-based nanometer luminescent materials", Chinese Journal of Materials Research, Vol. 18, No. 5, pp 449-460 (2004).*

6. PENG Yingcai, Zhao Xinwei, WANG Yinglong, MA Lei, "Study and prospect of Si-based optoelectronics”, Chinese Journal of Quantum Electronics", Chinese Journal of Quantum Electronics, Vol. 21, No. 3, pp 273-285 (2004).*

7. PENG Y C, Zhao X W, FU G S, WANG Y L, "Electronic properties of Si-based nanostructures", Micronanoelectronic Technology, Vol. 41, No. 2, pp 1-8 (2004).*
8. S. Harako, K. Kouno, S. Komuro, A. Ohata and X. Zhao, "Synthesis of very long ErSi2 nanowires on Si substrates", J. Cryst. Growth, Vol. 275, pp e2263-e2267 (2005).*
9. K. Sato, S. Komuro, T. Morikawa H. Aizawa, T. Katsumata, and X. Zhao, "Long afterglow characteristics of thin film phosphor fabricated by laser ablation", J. Cryst. Growth, Vol. 275, pp e1137-e1141 (2005).*
10. Xinwei Zhao, Susumu Harako, Shinri Noguchi and Shuji Komuro, "Synthesis and Optical Properties of Rare Earths Doped Nano-semiconductors and There Applications", Intern. J. of Modern Phys. B, Vol. 16, No. 28-29, pp 4294-4301 (2002).*
11. S. Komuro, T. Katsumata, H. Kokai, T. Morikawa, and X. Zhao, "Change in photoluminescence from Er-doped TiO2 thin films induced by optically assisted reduction", Appl. Phys. Lett., Vol. 81, pp 4733-4735 (2002).*
12. PENG Yingcai, ZHAO Xinwei and FU Guangsheng, "Progress of Si-based nanocrystalline luminescent materials", Chinese Science Bulletin, Vol. 47, No. 15, pp 1233-1242 (2002).*
13. S. Komuro, T. Katsumata, T. Morikawa, H. Kokai, X. Zhao and Y. Aoyagi, "Formation of b-FeSi2 thin films using laser ablation", J. Cryst. Growth, Vol. 237-239, pp 1961-1965 (2002).*
14. K. Nishiguci, X. Zhao, and S. Oda, "Nanocrystalline silicon electron emitter with a high efficiency enhanced by a planarization technique", J. Appl. Phys., Vol. 92, No. 5, pp2748-2757 (2002).*
15. X. Zhao and S. Komuro, "Time-resolved photoluminescence of Yb-doped nanocrystalline Si thin films", Appl. Phys. Lett., Vol. 79, pp2151-2153 (2001).*
16. X. Zhao, S. Oda and S. Komuro, "Nanocrystalline Si and its application to new devices", Journal of Korean Physical Society, Vol. 39, pp S462-S466 (2001).*
17. K. Nishiguci, X. Zhao, and S. Oda, "Fabrication and characterization of cold electron emitter based on nanocrystalline silicon dots", Proceedings of MRS 2001 Spring Meeting, Pittsburgh, pp 000-000 (2001).*
18. X. Zhao, "TEACHING PHYSICS EXPERIMENT IN A JAPANESE UNIVERSIT, Proceedings of The 2nd Japan-China Symposium on Physics Experiment Education in Universities, Eds. M. Gotoh, Physics Education Society of Japan Publishing, pp 220-222 (2001).*
19. Xinwei Zhao, "Progress on Nanocrystalline Si--A New Opto-Electronic Material", "EMERGING TECHNOLOGIES AND NEW CHALLENGES IN INFORMATION SOCIETY", The Proceedings of 2000 Intern. Conf. On Information Society in the 21st Century, pp348-351 (2000).*
20. K. Nishiguchi, X. Zhao, and S. Oda, "Fabrication and characteristics of nanocrystalline silicon electron emitter", "The Physics of Semiconductors", Springer Proceedings in Physics, 87, pp1749-1750 (Springer 2000).*
21. X. Zhao and S. Komuro, "Optical transition dynamics of Yb-doped nanocrystalline Si thin films", "The Physics of Semiconductors", Springer Proceedings in Physics, 87, pp1675-1676 (Springer 2000).*
22. Xinwei Zhao, Shuji Komuro, Hideo Isshiki, Yoshinobu Aoyagi and Takuo Sugano, "Formation and Device Application of Er-doped Nanocrystalline Si by Using Laser Ablation", Materials Science & Engineering B, No. 74, pp197-201 (2000).*
23. Xinwei Zhao, Shuji Komuro, Hideo Isshiki, Yoshinobu Aoyagi and Takuo Sugano, "Fabrication and optical transition dynamics of Er-doped ZnO thin films formed on Si substrates", J. Lumin., No. 87-89, pp1254-1256 (2000).*
24. Xinwei Zhao, Shuji Komuro, Hideo Isshiki, Yoshinobu Aoyagi and Takuo Sugano, "Photoluminescence and optical transition dynamics of Er3+ ions in porous Si", J. of Mater. Sci. and Tecn., Vol. 15 No.4, pp357-362 (1999).*
25. Shuji Komuro, Tooru Katsumata, Takitaro Morikawa, Xinwei Zhao, Hideo Isshiki and Yoshinobu Aoyagi, "Time response of 1.54 um emission from highly Er-doped nanocrystalline Si thin films prepared by laser ablation", Appl. Phys. Lett., 74, pp377-379 (1999).*
26. Xinwei Zhao, Shuji Komuro, Hideo Isshiki, Yoshinobu Aoyagi and Takuo Sugano, "Fabrication and stimulated emission of Er-doped nanocrystalline Si waveguides formed on Si substrates by laser ablation", Appl. Phys. Lett., 74, pp120-122 (1999).*
27. Xinwei Zhao, Shuji Komuro, Hideo Isshiki, Yoshinobu Aoyagi and Takuo Sugano, "1540nm STIMULATED EMISSION FROM Er-DOPED NANOCRYSTALLINE Si WAVEGUIDES FORMED ON Si SUBSTRATES", The Physics of Semiconductors", CD Version, Edited by D. Gershoni, World Secientific, File No. 0313 (1998).**
28. Shintaro Nomura, Toshiaki Iitaka, Xinwei Zhao, Takuo Sugano, and Yoshinobu Aoyagi, "QUANTUM SIZE EFFECT IN MODEL NANOCRYSTALLINE/AMORPHOUS SILICON REVEALED BY LINEAR SCALING CALCULATIONS", ICPS'24 Proceedings, "The Physics of Semiconductors", CD Version, Edited by D. Gershoni, World Secientific, File No. 0328 (1998).**
29. Xinwei Zhao, Shuji Komuro, Yoshinobu Aoyagi and Takuo Sugano, "SIZE DEPENDENT ABSORPTION SPECTRA OF Si NANOCRYSTALLITES FORMED IN a-Si MATRIX", ICPS'24 Proceedings, "The Physics of Semiconductors", CD Version, Edited by D. Gershoni, World Secientific, File No. 0312 (1998).**
30. Xinwei Zhao, Shintaro Nomura, Yoshinobu Aoyagi, and Takuo Sugano, "Size-dependent blue light emission from silicon nanocrystallites", RIEKN Review, No. 17, pp11-12 (1998).*
31. Shintaro Nomura, Toshiaki Iitaka, Xinwei Zhao, Takuo Sugano, and Yoshinobu Aoyagi, "Linear scaling calculation for optical spectra of large hydrogenated silicon nanocrystallites", Phys. Rev. B, Vol. 56, No. 8, ppR4348-4350 (1997).*
32. Toshiaki Iitaka, Shintaro Nomura, Hideki Hirayama, Xinwei Zhao, Yoshinobu Aoyagi, and Takuo Sugano, "Calculating the linear response functions of noninteracting electrons with a time-dependent Schrodinger equation", Phys. Rev. E, Vol. 56, No. 1-B, pp1222-1229 (1997).*
33. Xinwei Zhao, Shuji Komuro, Satoshi Fujita, Hideo Isshiki, Yoshinobu Aoyagi and Takuo Sugano, "Size control of Si nanocrystallites formed in amorphous Si matrix by Er doping", Materials Science & Engineering B, Vol. 51, Nos. 1-3, pp154-157 (1998).*
34. Toshiaki Iitaka, Shintaro Nomura, Hideki Hirayama, Xinwei Zhao, Yoshinobu Aoyagi and Takuo Sugano, "Calculating the density of states and linear response functions by the time-dependent Schroedinger equation", Microelectronic Engineering, Nos. 43-44, pp459-470 (1998).*
35. Shintaro Nomura, Toshiaki Iitaka, Xinwei Zhao, Takuo Sugano and Yoshinobu Aoyagi, "Electronic structure of nanocrystalline/amorphous silicon: a novel quantum size effect", Materials Science & Engineering B, Vol. 51, Nos. 1-3, pp146-149 (1998).*
36. Hideo Isshiki, Xinwei Zhao, Yoshinobu Aoyagi and Takuo Sugano: "Time resolved study on the energy transfer process in the photoluminescence of Er ions doped in porous Si", Submitted to JJAPL.
37. Xinwei Zhao and Yoshiko Itoh, "Positron/Positronium Annihilation in Nanocrystalline Si", RIKEN Accelerator Progress Report, Vol. 30, p161 (1997).
38. S. Nomura, Y. Segawa, K. Misawa, T. Kobayashi, X. Zhao, Y. Aoyagi and T. Sugano, "Optical properties of semiconductor quantum dots in magnetic fields", J. Lumine.Vol. 70, pp144-157 (1996).*
39. S. Nomura, X. Zhao, Y. Aoyagi and T. Sugano, "Electronic structure of amodel nanocrystalline/amorphous mixed-phase silicon", Phys. Rev. B, Vol.54, No.19, pp13974-13979 (1996).*
40. S. Komuro, S. Maruyama, T. Morikawa, X. Zhao, H. Isshiki, and Y. Aoyagi "Room-temperature luminescence from erbium-doped silicon thin films prepared by laser ablation", Appl. Phys. Lett. 69, pp3896-3898 (1996).*
41. S. Nomura, X. Zhao, Y. Aoyagi and T. Sugano, "A NOVEL QUANTUM SIZE EFFECT: ELECTRONIC STATES OF NANOCRYSTALLINE SILICON EMBEDDED IN AMORPHOUS SILICON", ICPS'23 Proceedings, "The Physics of Semiconductors", Edited by M.Scheffler and R. Zimmermann, World Secientific, pp1653-1656 (1996).**
42. Xinwei Zhao, Shuji Komuro, Hideo Isshiki, Shinya Maruyama, Yoshinobu Aoyagi and Takuo Sugano, "Photoluminescence and probe effect of Er-doped nanometer-sized Si materials", Appl. Sur. Sci., Vol. 113/114, pp121-125 (1997).*
43. Xinwei Zhao, Yoshiko Itoh, Yoshinobu Aoyagi, Takuo Sugano, Kouichi Hirata, Yoshinori Kobayashi, Toshiyuki Ohdaira, Ryoichi Suzuki and Tomohisa Mikado, "Positron/Positronium Annihilation in Nanocrystalline Silicon Thin Films", Journal of Radioanalytical and Nuclear Chemistry, Articles, Vol. 211, No. 1, pp31-38 (1996).*
44. X. Zhao, S. Komuro, H. Isshiki, Y. Aoyagi and T. Sugano, "To probe the absorption edge of porous silicon by erbium", "Rare Earth Doped Semiconductors II", Edited by S. Coffa, A. Polman and R. N. Schwartz, MRS Symp. Proc. Vol. 422, pp143-148 (Pittsburgh, 1996).**
45. X. Zhao, S. Nomura, Y. Aoyagi and T. Sugano, "Formation and electronicstates of Si nanocrystallites in amorphous Si", J. Noncrystal Solids, 198-200, pp847-852 (1996).*
46. X. Zhao, O. Schoenfeld, S. Nomura, S. Komuro, Y. Aoyagi and T. Sugano, "Nanocrystalline Si: A Material Constructed by Si Quantum Dots", Materials Science & Engineering B35, Nos. 1-3, pp467-471 (1995).*
47. O. SCHOENFELD, X. ZHAO, T. HEMPEL, Y. AOYAGI, and T. SOGANO: "STRUCTURES AND ELECTRICAL TRANSPORT IN MICROCRYSTALLINE COMPOSITE Si-NiSi2 THIN FILMS",J. Phys. Chem. Solids, 56, pp123-128 (1995).*
48. X. ZHAO, O. SCHOENFELD, S. Nomura, J. Kusano, S. Komuro, Y. AOYAGI and T. SUGANO: "BLUE LIGHT EMITTING SILICON NANOCRYSTALLITES", ICPS'22 Proceedings, "The Physics of Semiconductors", Edited by David J. Lockwood, World Secientific, pp2035-2038 (1995).**
49. Shintaro NOMURA, Xinwei ZHAO, Olaf SCHOENFELD, Kazuhiko MISAWA, Takayoshi KOBAYASHI, Yusaburo SEGAWA, Yoshinobu. AOYAGI and Takuo SUGANO, "Magnetic Field Effect in Direct- and Indirect-Gap Semiconductors Quantum Dots", Jan. J. Appl. Phys., 34, pp125-127 (1995).*
50. O. SCHOENFELD, X. ZHAO, T. HEMPEL, and Y. AOYAGI: "Optical absorption of microcrystalline Si-Ni thin films", J. Appl. Phys., 78, pp1987-1991 (1995).*
51. O. SCHOENFELD, X. ZHAO, T. HEMPEL, and Y. AOYAGI: "Crystalization of Amorphous Silicon by NiSi Precipitates", Solid Thin Films., 261, pp236-240 (1995).*

Copyright (C) 2000 Sience Univ. of Tokyo Xinwei Zhao's laboratry