"A. Tsukazaki,A. Ohtomo,M. Kawasaki,T. Makino,C. H. Chia,Y. Segawa,H. Koinuma","Emission from the higher-order excitons in ZnO films grown by laser molecular-beam epitaxy",,"Applied Physics Letters",,"Vol. 84","No. 19","pp. 3858-3860",2004,May
"T. Makino,A. Ohtomo,C. H. Chia,Y. Segawa,H. Koinuma,M. Kawasaki","Internal electric field effect on luminescence properties of ZnO/(Mg,Zn)O quantum wells",,"Physica E-Low-Dimensional Systems & Nanostructures",,"Vol. 21","No. 2-4","pp. 671-675",2004,Mar.
"A. Tsukazaki,A. Ohtomo,S. Yoshida,M. Kawasaki,C. H. Chia,T. Makino,Y. Segawa,T. Koida,S. F. Chichibu,H. Koinuma","Layer-by-layer growth of high-optical-quality ZnO film on atomically smooth and lattice relaxed ZnO buffer layer",,"Applied Physics Letters",,"Vol. 83","No. 14","pp. 2784-2786",2003,Oct.
"T. Makino,K. Tamura,C. H. Chia,Y. Segawa,M. Kawasaki,A. Ohtomo,H. Koinuma","Temperature quenching of exciton luminescence intensity in ZnO/(Mg,Zn)O multiple quantum wells",,"Journal of Applied Physics",,"Vol. 93","No. 10","pp. 5929-5933",2003,May
"C.H. Chia,T. Makino,Y. Segawa,M. Kawasaki,A. Ohtomo,K. Tamura,H. Koinuma","Confinement-enhanced biexciton binding energy in ZnO/ZnMgO multiple quantum wells",,"Applied Physics Letters",,"Vol. 82","No. 12","pp. 1848-1850",2003,Apr.
"T. Makino,K. Tamura,C. H. Chia,Y. Segawa,M. Kawasaki,A. Ohtomo,H. Koinuma","Photoluminescence properties of ZnO epitaxial layers grown on lattice-matched ScAlMgO4 substrates",,"Journal of Applied Physics",,"Vol. 92","No. 12","pp. 7157-7159",2002,Dec.
"T. Makino,K. Tamura,C. H. Chia,Y. Segawa,M. Kawasaki,A. Ohtomo,H. Koinuma","Size dependence of exciton-longitudinal-optical-phonon coupling in ZnO/Mg0.27Zn0.73O quantum wells",,"Physical Review B",,"Vol. 66","No. 23"," 233305-1-3",2002,Dec.
"T. Makino,K. Tamura,C. H. Chia,Y. Segawa,M. Kawasaki,A. Ohtomo,H. Koinuma","Radiative recombination of electron-hole pairs spatially separated due to quantum-confined Stark and Franz-Keldish effects in ZnO/Mg0.27Zn0.73O quantum wells",,"Applied Physics Letters",,"Vol. 81","No. 13","pp. 2355-2357",2002,Sept.
"T. Makino,K. Tamura,C. H. Chia,Y. Segawa,M. Kawasaki,A. Ohtomo,H. Koinuma","Effect of MgZnO-layer capping on optical properties of ZnO epitaxial layers",,"Applied Physics Letters",,"Vol. 81","No. 12","pp. 2172-2174",2002,Sept.
"T. Makino,C. H. Chia,Y. Segawa,M. Kawasaki,A. Ohtomo,K. Tamura,Y. Matsumoto,H. Koinuma","High-throughput optical characterization for the development of a ZnO-based ultraviolet semiconductor-laser",,"Applied Surface Science",,"Vol. 189","No. 3-4","pp. 277-283",2002,Apr.
"T. Makino,K. Tamura,C. H. Chia,Y. Segawa,M. Kawasaki,A. Ohtomo,H. Koinuma","Optical properties of ZnO : Al epilayers: Observation of room-temperature many-body absorption-edge singularity",,"Physical Review B",,"Vol. 65","No. 12"," 121201(R)-1-4",2002,Mar.
"H. D. Sun,Y. Segawa,T. Makino,C. H. Chia,M. Kawasaki,A. Ohtomo,K. Tamura,H. Koinuma","Observation of biexciton emission in ZnO/ZnMgO multi-quantum wells",,"Physica Status Solidi B-Basic Research",,"Vol. 229","No. 2","pp. 867-870",2002,Jan.
"T. Makino,K. Tamura,C. H. Chia,Y. Segawa,M. Kawasaki,A. Ohtomo,H. koinuma","Optical properties of ZnO : Al epilayers and of undoped epilayers capped by wider-gap MgZnO grown by laser MBE",,"Physica Status Solidi B-Basic Research",,"Vol. 229","No. 2","pp. 853-857",2002,Jan.
"C.H. Chia,T. Makino,Y. Segawa,M. Kawasaki,A. Ohtomo,K. Tamura,H. Koinuma","Well-width dependence of radiative and nonradiative lifetimes in ZnO-based multiple quantum wells",,"Physica Status Solidi B-Basic Research",,"Vol. 229","No. 2","pp. 863-866",2002,Jan.
"T. Makino,N. T. Tuan,C. H. Chia,Y. Segawa,M. Kawasaki,A. Ohtomo,K. Tamura,H. Koinuma","Exciton localization in (Cd,Zn)O epilayers and (Cd,Zn)O/(Mg,Zn)O multi-quantum wells on lattice matched substrates",,"International Journal of Modern Physics B","World Scientific Publishing","Vol. 15","No. 28-30","pp. 3853-3856",2001,Dec.
"C. H. Chia,T. Makino,Y. Segawa,M. Kawasaki,A. Ohtomo,K. Tamura,H. Koinuma","Well-width dependence of radiative and nonradiative recombination times in ZnO/Mg0.12Zn0.88O multiple quantum wells",,"Journal of Applied Physics",,"Vol. 90","No. 7","pp. 3650-3652",2001,Oct.
"T. Makino,N. T. Tuan,H. D. Sun,C. H. Chia,Y. Segawa,M. Kawasaki,A. Ohtomo,K. Tamura,T. Suemoto,H. Akiyama,M. Baba,S. Saito,T. Tomita,H. Koinuma","Temperature dependence of near ultraviolet photoluminescence in ZnO/(Mg, Zn)O multiple quantum wells",,"Applied Physics Letters",,"Vol. 78","No. 14","pp. 1979-1981",2001,Apr.
"T. Makino,C. H. Chia,N. T. Tuan,Y. Segawa,M. Kawasaki,A. Ohtomo,K. Tamura,H. Koinuma","Radiative and nonradiative recombination processes in lattice-matched (Cd,Zn)O/(Mg,Zn)O multiquantum wells",,"Applied Physics Letters",,"Vol. 77","No. 11","pp. 1632-1634",2000,Sept.
"T. Makino,C. H. Chia,N. T. Tuan,H. D. Sun,Y. Segawa,M. Kawasaki,A. Ohtomo,K. Tamura,H. Koinuma","Room-temperature luminescence of excitons in ZnO/(Mg, Zn)O multiple quantum wells on lattice-matched substrates",,"Applied Physics Letters",,"Vol. 77","No. 7","pp. 975-977",2000,Aug.
"T. Makino,C. H. Chia,N. T. Tuan,Y. Segawa,M. Kawasaki,A. Ohtomo,K. Tamura,H. Koinuma","Exciton spectra of ZnO epitaxial layers on lattice-matched substrates grown with laser-molecular-beam epitaxy",,"Applied Physics Letters",,"Vol. 76","No. 24","pp. 3549-3551",2000,June
"T. Makino,G. Isoya,Y. Segawa,C. H. Chia,T. Yasuda,M. Kawasaki,A. Ohtomo,K. Tamura,H. Koinuma","Optical spectra in ZnO thin films on lattice-matched substrates grown with laser-MBE method",,"Journal of Crystal Growth",,"Vol. 214",,"pp. 289-293",2000,June
"T. Makino,N. T. Tuan,Y. Segawa,C. H. Chia,A. Ohtomo,M. Kawasaki,H. Koinuma","Temperature dependence of four-wave-mixing spectra in ZnO thin films on sapphire substrates grown with laser MBE",,"Journal of Luminescence",,"Vol. 87-9",,"pp. 210-212",2000,May