"Z. K. Tang,M. Kawasaki,A. Ohtomo,H. Koinuma,Y. Segawa","Self-assembled ZnO nano-crystals and exciton lasing at room temperature",,"Journal of Crystal Growth",,"Vol. 287","No. 1","pp. 169-179",2006,Jan.
"X. Q. Zhang,Z. K. Tang,M. Kawasaki,A. Ohtomo,H. Koinuma","Second harmonic generation in self-assembled ZnO microcrystallite thin films",,"Thin Solid Films",,"Vol. 450","No. 2","pp. 320-323",2004,Mar.
"X. Q. Zhang,Z. Tang,M. Kawasaki,A. Ohtomo,H. Koinuma","Optical gain in self-assembled ZnO microcrysallite thin films",,"Journal of Crystal Growth",,"Vol. 259","No. 3","pp. 286-290",2003,Dec.
"Xiqing Zhang,Z. K. Tang,M. Kawasaki,A. Ohtomo,H. Koinuma","Resonant exciton second-harmonic generation in self-assembled ZnO microcrystallite thin films",,"Journal of Physics-Condensed Matter",,"Vol. 15","No. 30","pp. 5191-5196",2003,Aug.
"H. D. Sun,T. Makino,N. T. Tuan,Y. Segawa,Z. K. Tang,G. K. L. Wong,M. Kawasaki,A. Ohtomo,K. Tamura,H. Koinuma","Stimulated emission induced by exciton-exciton scattering in ZnO/ZnMgO multiquantum wells up to room temperature",,"Applied Physics Letters",,"Vol. 77","No. 26","pp. 4250-4252",2000,Dec.
"A. Ohtomo,K. Tamura,M. Kawasaki,T. Makino,Y. Segawa,Z. K. Tang,G. K. L. Wong,Y. Matsumoto,H. Koinuma","Room-temperature stimulated emission of excitons in ZnO/(Mg, Zn)O superlattices",,"Applied Physics Letters",,"Vol. 77","No. 14","pp. 2204-2206",2000,Oct.
"F. Siah,J. Yang,Z. K. Tang,G. K. L. Wong,M. Kawasaki,A. Ohtomo,H. Koinuma,Y. Segawa","In-plane anisotropic strain of ZnO closely packed microcrystallites grown on tilted (0001) sapphire",,"Journal of Applied Physics",,"Vol. 88","No. 5","pp. 2480-2483",2000,Sept.
"M. Kawasaki,A. Ohtomo,H. Koinuma,Y. Sakurai,Y. Yoshida,Z. K. Tang,P. Yu,G. K. L. Wong,Y. Segawa","Ultraviolet excitonic laser action at room temperature in ZnO nanocrystalline epitaxial films",,"Silicon Carbide, Iii-Nitrides and Related Materials, Pts 1 and 2","Trans Tech Publications","Vol. 264-2",,"pp. 1459-1462",1998,Dec.
"P. Yu,Z. K. Tang,G. K. L. Wong,M. Kawasaki,A. Ohtomo,H. Koinuma,Y. Segawa","Excitonic gain and laser emission in ZnO microcrystallites at room temperature",,"Physics of Low-Dimensional Structures",,"Vol. 1-2",,"pp. 243-251",1998,Dec.
"M. Kawasaki,A. Ohtomo,I. Ohkubo,H. Koinuma,Z. K. Tang,P. Yu,G. K. L. Wong,B. P. Zhang,Y. Segawa","Excitonic ultraviolet laser emission at room temperature from naturally made cavity in ZnO nanocrystal thin films",,"Materials Science and Engineering B-Solid State Materials for Advanced Technology",,"Vol. 56","No. 2-3","pp. 239-245",1998,Nov.
"Z. K. Tang,G. K. L. Wong,P. Yu,M. Kawasaki,A. Ohtomo,H. Koinuma,Y. Segawa","Room-temperature ultraviolet laser emission from self-assembled ZnO microcrystallite thin films",,"Applied Physics Letters",,"Vol. 72","No. 25","pp. 3270-3272",1998,June
"A. Ohtomo,M. Kawasaki,Y. Sakurai,Y. Yoshida,H. Koinuma,P. Yu,Z. K. Tang,G. K. L. Wong,Y. Segawa","Room temperature ultraviolet laser emission from ZnO nanocrystal thin films grown by laser MBE",,"Materials Science and Engineering B-Solid State Materials for Advanced Technology",,"Vol. 54","No. 1-2","pp. 24-28",1998,June
"P. Yu,Z. K. Tang,G. K. L. Wong,M. Kawasaki,A. Ohtomo,H. Koinuma,Y. Segawa","Room-temperature gain spectra and lasing in microcrystalline ZnO thin films",,"Journal of Crystal Growth",,"Vol. 184",,"pp. 601-604",1998,Feb.
"P. Yu,Z. K. Tang,G. K. L. Wong,M. Kawasaki,A. Ohtomo,H. Koinuma,Y. Segawa","Ultraviolet spontaneous and stimulated emissions from ZnO microcrystallite thin films at room temperature",,"Solid State Communications",,"Vol. 103","No. 8","pp. 459-463",1997,Aug.
"Y. Segawa,A. Ohtomo,M. Kawasaki,H. Koinuma,Z. K. Tang,P. Yu,G. K. L. Wong","Growth of ZnO thin film by laser MBE: Lasing of exciton at room temperature",,"Physica Status Solidi B-Basic Research",,"Vol. 202","No. 2","pp. 669-672",1997,Aug.
"‘å—F –¾,�ì�è ‰ëŽi,Œï�À �G�b,“’ Žq�N,Yu Ping,Wong Goerge K. L.,�£�ì —EŽO˜N","ZnO‚Ì—ÊŽq�\‘¢‚ÌŒ`�¬‚ÆŽº‰·ƒŒ�[ƒU�[”­�U",,"–¢—ˆŠJ‘ñŒ¤‹†ƒjƒ…�[ƒXƒŒƒ^�[",,"Vol. 2",,"  38-39",1997,Jan.
"�ì�è ‰ëŽi,‘å—F –¾,Œï�À �G�b,“’ Žq�N,Yu Ping,Wong Goerge K. L.,�£�ì —EŽO˜N","ZnOƒGƒLƒVƒgƒ“ƒŒ�[ƒU�[",,"‘æ25‰ñ‰ž•¨”––Œ�E•\–ʃZƒ~ƒi�[",,,,"p. 39-44",1997,Jan.
"�ì�è ‰ëŽi,‘å—F –¾,Œï�À �G�b,“’ Žq�N,P. Yu,G. K. L. Wong,�£�ì —EŽO˜N","ZnO‚Ì—ÊŽq�\‘¢‚ÌŒ`�¬‚ÆŽº‰·ƒŒ�[ƒU�[”­�U",,"“ú–{Šw�p�U‹»‰ï‘æ162ˆÏˆõ‰ï ‘æ6‰ñŒ¤‹†‰ïŽ‘—¿",,,,"p. 54-59",1997,Jan.