1. C.H. Chia, C.T. Yuan, J.T. Ku, S.L. Yang, W.C. Chou, J. Y. Juang, S.Y. Hsieh, K.C. Chiu, J.S. Hsu, and S.Y. Jeng- Temperature dependence of excitonic emission in cubic CdSe thin film, J. Lumin. 128, 123 (2008). (▲:0,SCI:1.441)

2. Y. C. Lin, C. H. Chiu, W. C. Fan, C. H. Chia, S. L. Yang, D. S. Chuu, M. C. Lee, W. K. Chen, W. H. Chang, and W. C. Chou- Raman Scattering of longitudinal-optical-phonon-plasmon coupling in Cl-doped ZnSe under high pressure, J. Appl. Phys. 102, 123510 (2007). (▲:0,SCI:2.316)

3. M. C. Kuo, J.S. Hsu, J.L. Shen, K.C. Chiu, W.C. Fan, Y.C. Lin, C.H. Chia, W.C. Chou, M. Yasar, R. Mallory, A. Petrou, and H. Luo- Photoluminescence studies of type-II diluted magnetic semiconductor ZnMnTe/ZnSe quantum dots, Appl. Phys. Lett., 89, 263111 (2006). (▲:0,SCI:3.977)

4. J. T. Ku, M. C. Kuo, J. L. Shen, K. C. Liu, T. H. Yang, G. L. Luo, C. Y. Chang, Y. C. Lin, C. P. Fu, D. S. Chuu, C. H. Chia and W. C. Chou- Optical characterization of ZnSe epilayers and ZnCdSe/ZnSe quantum wells grown on Ge/Ge0.95Si0.05/Ge0.9Si0.1/Si virtual substrates, J. Appl. Phys. 99, 063506 (2006). (▲:2,SCI:2.316)

5. T. Goto, H. Makino, T. Yao, C. H. Chia, T. Makino, Y. Segawa, G. A. Mousdis, G. C. Papavassiliou- Localization of triplet excitons and biexcitons in the two-dimensional semiconductor (CH3C6H4CH2NH3)2PbBr4, Phys. Rev. B 73, 115206 (2006). (▲:1,SCI:3.107)

6. Y. J. Lai, Y. C. Lin, C. P. Fu, C. S. Yang, C. H. Chia, D. S. Chuu, W. K. Chen, M. C. Lee, W. C. Chou, M. C. Kuo, J. S. Wang- Growth mode transfer of self-assembled CdSe quantum dots grown by molecular beam epitaxy, J. Crys. Growth 286, 338 (2006). (▲:0,SCI:1.809)

7. 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, Appl. Phys. Lett. 84, 3858 (2004). (▲:5,SCI:3.977)

8. T. Makino, A. Ohtomo, C. H. Chia, Y. Segawa, H. Koinuma and M. Kawasaki- Internal electric field effect on luminescence properties of ZnO/(Mg,Zn)O quantum wells, Phys. E 21, 671 (2004). (▲:12,SCI:1.084)

9. C.H. Chia, T. Makino, K. Tamura, Y. Segawa, M. Kawasaki, A. Ohtomo, H. Koinuma- Confinement-enhanced biexciton binding energy in ZnO/ZnMgO multiple quantum wells, Appl. Phys. Lett. 82, 1848 (2003). (▲:23,SCI:3.977)

10. A. Tsukazaki, A. Ohtomo, S. Yoshida, M. Kawasaki, C. H. Chia, T. Makino, Y. Segawa, T. Koida, SF. Chichibu, H. Koinuma- Layer-by-layer growth of high-optical-quality ZnO film on atomically smooth and lattice relaxed ZnO buffer layer, Appl. Phys. Lett. 83, 2784 (2003). (▲:20,SCI:3.977)

11. K. Tamura, T. Makino, A. Tsukazaki, M. Sumiya, S. Fuke, T. Furumochi, M. Lippmaa, C. H. Chia, Y. Segawa, H. Koinuma, M. Kawasaki- Donor-acceptor pair luminescence in nitrogen-doped ZnO films grown on lattice-matched ScAlMgO4 (0001) substrates, Solid State Comm. 127, 265-269 (2003). (▲:25,SCI:1.556)

12. T. Makino, K. Tamura, C.H. Chia, Y. Segawa, M. Kawasaki, A. Ohtomo, H. Koinuma- Temperature quenching of exciton luminescence intensity in ZnO/ZnMgO multiple quantum wells, J. Appl. Phys. 93, 5929 (2003). (▲:11,SCI:2.316)

13. 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, Phys. Stat. Solidi B 229, 863 (2002). (▲:1,SCI:0.967)

14. 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, Appl. Surf. Sci. 189, 277 (2002). (▲:4,SCI:1.436)

15. 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, Phys. Rev. B 66, 233305 (2002). (▲:7,SCI:3.107)

16. 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, J. Appl. Phys. 92, 7157 (2002). (▲:13,SCI:2.316)

17. 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, Appl. Phys. Lett. 81, 2355 (2002). (▲:23,SCI:3.977)

18. 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, Appl. Phys. Lett. 81, 2172 (2002). (▲:13,SCI:3.977)

19. 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, Phys. Rev. B 65, 121201 (2002). (▲:3,SCI:3.107)

20. 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, Phys. Stat. Solidi B 229, 867 (2002). (▲:2,SCI:0.967)

21. 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, Phys. Stat. Solidi B 229, 853 (2002). (▲:5,SCI:0.967)

22. 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, J. Appl. Phys. 90, 3650 (2001)

23. 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, Appl. Phys. Lett. 78, 1979 (2001)

24. T. Makino, C.H. Chia, Y. Segawa, M. Kawasaki, A. Ohtomo, K. Tamura, H. Koinuma- Exciton localization in (CdZn)O epilayers and (CdZn)O/(MgZn)O multi-quantum wells on lattice-matched substrates, Inter. J. Modern Phys. B 15, 3853 (2001)

25. 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, Appl. Phys. Lett. 77, 975 (2000)

26. 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, J. Crys. Growth 214-215, 289 (2000)

27. T. Makino, N.T. Tuan, Y. Segawa, C.H. Chia, M. Kawasaki, A. Ohtomo, K. Tamura, H. Koinuma- Radiative and nonradiative recombination processes in lattice-matched (Cd,Zn)O/(Mg,Zn)O multiquantum wells, Appl. Phys. Lett. 77, 1632 (2000)

28. T. Makino, N.T. Tuan, Y. Segawa, C.H. Chia, M. Kawasaki, A. Ohtomo, K. Tamura, H. Koinuma- Temperature dependence of four-wave-mixing spectra in ZnO thin films on sapphire substrates grown with laser MBE, J. Lumin. 87-89, 210 (2000)

29. T. Makino, N.T. Tuan, Y. Segawa, C.H. Chia, M. Kawasaki, A. Ohtomo, K. Tamura, H. Koinuma- Exciton spectra of ZnO epitaxial layers on lattice-matched substrates grown with laser-molecular-beam epitaxy, Appl. Phys. Lett. 76, 3549 (2000)

1. C.H. Chia, T. Makino, Y. Segawa, M. Kawasaki, A. Ohtomo, H. Koinuma- Biexciton binding energy of ZnO/ZnMgO multiple quantum wells, 11th International Conference onⅡ-Ⅵ Compounds, Niagara Fall, New York, USA, September 22-26 (2003)

2. C.H. Chia, T. Makino, Y. Segawa, M. Kawasaki, A. Ohtomo, H. Koinuma- Enhancement of biexciton binding energy in ZnO/ZnMgO multiple quantum wells, International Conference on Dynamical Processes in Excited States of Solids, Christchurch, New Zealand, August 3-8 (2003)

3. T. Makino, C. H. Chia, K. Tamura, Y. Segawa, M. Kawasaki, A. Ohtomo, and H. Koinuma- Absorption edge singularity observed at room temperature in n-type ZnO thin films, Proceedings of the 26th international conference on the physics of semiconductors, edited by A. R. Long and J. H. Davies, Institute of Physics publishing, Bristol (United Kingdom) and Philadelphia (USA), Institute of physics conference series number 171, p. D27-1—8 (2003).

4. C.H. Chia, T. Makino, H.D. Sun, K. Tamura, Y. Segawa, M. Kawasaki, A. Ohtomo- Enhancement of biexciton binding energy of ZnO/ZnMgO multiple quantum wells, Proceeding of 13th Meeting on Solid State Photophysics, p.45, Osaka, Japan, December (2002)

5. C.H. Chia, T. Makino, Y. Segawa, M. Kawasaki, A. Ohtomo, H. Koinuma- Well-width dependence of radiative and nonradiative recombination times in ZnO/Zn0.88Mg0.12O multiple quantum wells, 10th International Conference onⅡ-Ⅵ Compounds, Bremen, Germany, September 10-13 (2001)

6. H. Sun, T. Makino, T. T. Nguyen, Y. Segawa, C.H. Chia, M. Kawasaki, A. Ohtomo, K. Tamura, and H. Koinuma- Optical pumped stimulated emission in ZnO/(Mg,Zn)O multiple quantum wells prepared by combinatorial technique, Proceedings of SPIE 4281, p. 68 (2001), (Combinatorial and Composition Spread Techniques in Materials and Device Development II, ed.: G. E. Jabbour and H. Koinuma).

7. T. Makino, H. Sun, T. T. Nguyen, Y. Segawa, C.H. Chia, M. Kawasaki, A. Ohtomo, K. Tamura, and H. Koinuma- Well width dependence of exciton phonon coupling strength in ZnO/(Mg,Zn)O multiple quantum wells grown by combinatorial laser molecular-beam epitaxy, Proceedings of SPIE 4281, p. 59 (2001), (Combinatorial and Composition Spread Techniques in Materials and Device Development II, ed.: G. E. Jabbour and H. Koinuma).

8. T. Makino, N.T. Tuan, Y. Segawa, C.H. Chia, M. Kawasaki, A. Ohtomo, K. Tamura, and H. Koinuma- Time-resolved luminescence spectra in (Cd,Zn)O/(Mg,Zn)O multi-quantum wells on lattice-matched substrates, Proceeding of 25th Int’l. Conf. on Physics of Semiconductors, Part 2, ed. N. Miura and T. Ando, (2001), p. 1551.

9. T. Makino, G. Isoya, Y. Segawa, C. H. Chia, T. Yasuda, M. Kawasaki, A. Ohtomo, K. Tamura, Y. Matsumoto, and H. Koinuma- Optical characterization for combinatorial system based on semiconductor ZnO, Proceedings of 1st Int’l. Conf. on Combinatorial and Composition Spread Techniques in Material and Device Development, ed. G. E. Jabbour Proceedings of SPIE 3941 (2000) p. 28.

10. T. Makino, G. Isoya, Y. Segawa, C. H. Chia, T. Yasuda, M. Kawasaki, A. Ohtomo, K. Tamura, and H. Koinuma- Optical spectra of ZnO films on lattice-matched substrates grown with laser MBE, , Proceedings of International Workshop on ZnO, 18 (1999), Wright State University, Ohio, USA, October 7-8 (1999)

11. C. H. Chia, T. Makino, Y. Segawa, M. Kawasaki, A. Ohtomo, K. Tamura, and H. Koinuma- Temperature dependence of absorption spectra in ZnO thin film on lattice-matched substrates grown with laser-MBE method, Proceeding of 10th Meeting on Solid State Photophysics, p.45, Osaka, Japan, November (1999)