"M. Kubota,T. Onuma,A. Tsukazaki,A. Ohtomo,M. Kawasaki,T. Sota,S. F. Chichibu","Recombination dynamics of excitons in Mg0.11Zn0.89O alloy films grown using the high-temperature-annealed self-buffer layer by laser-assisted molecular-beam epitaxy",,"Applied Physics Letters",,"Vol. 90","No. 14"," 141903-1-3",2007,Aug. "S. F. Chichibu,T. Onuma,M. Kubota,A. Uedono,T. Sota,A. Tsukazaki,A. Ohtomo,M. Kawasaki","Improvements in quantum efficiency of excitonic emissions in ZnO epilayers by the elimination of point defects",,"Journal of Applied Physics",,"Vol. 99","No. 9"," 093505-1-6",2006,May "A. Tsukazaki,M. Kubota,A. Ohtomo,T. Onuma,K. Ohtani,H. Ohno,S. F. Chichibu,M. Kawasaki","Blue light-emitting diode based on ZnO",,"Japanese Journal of Applied Physics Part 2-Letters & Express Letters",,"Vol. 44","No. 20-23","pp. L643-L645",2005,May