Publications

Journal Papers*

  1. S. T. H. Silalahi, Q. V. Vu, H. Y. Yang, K. Pita, and M. B. Yu, 'Size control of Si nanocrystals by two-step rapid thermal annealing of sputtered Si-rich oxide/SiO2 superlattice', Applied Physics A, vol. 98, no. 4, pp. 867-871, Mar. 2010. 
     
  2. H. K. Liang, S. F. Yu, and H. Y. Yang, ' Edge-emitting ultraviolet n-ZnO:Al/i-ZnO/p-GaN heterojunction light-emitting diode with a rib waveguide ', Optics Express, vol. 18, no. 4, pp. 3687-3692, Feb. 2010. 
     
  3. H. Y. Yang, S. F. Yu, S. P. Lau, T. S. Herng, and M. Tanemura, 'Ultraviolet laser action in ferromagnetic Zn1-xFexO Nanoneedles', Nanoscale Research Letters, vol. 5, no. 1, pp. 247-251, Jan. 2010. 
     
  4. H. Y. Yang, S. F. Yu, and S. P. Lau, 'Wide tunable ultraviolet random lasing action from ZnMgO thin films', Journal of Crystal Growth, vol. 312, no. 1, pp. 16-18, Jan. 2010. 
     
  5. H. Y. Yang, S. F. Yu, H. K. Liang, R. G. Mote, C. W. Cheng, H. J. Fan, T. Sun, and H. H. Hng, 'High-temperature lasing characteristics of randomly assembled SnO2 backbone nanowires coated with ZnO nanofins', Journal of Applied Physics, vol. 106, no. 12, Art. No. 123105, Dec. 2009.
     
  6. H. Y. Yang, S. F. Yu, C. W. Cheng, S. H. Tsang, H. K. Liang and H. J. Fan, 'Randomly packed n-SnO2 nanorods/p-SiC heterojunction light-emitting diodes', Applied Physics Letters, vol. 95, no. 20, Art. No. 201104, Nov. 2009.
     
  7. S. H. Tsang, S. F. Yu, H. Y. Yang, H. K. Liang, and X. F. Li, 'ZnO-ZnMgO multiple quantum-well ridge waveguide lasers', IEEE Photonics Technology Letters, vol. 21, no. 21, pp. 1624-1626, Nov. 2009.
     
  8. C. W. Cheng, B. Liu, H. Y. Yang, W. Zhou, L. Sun, R. Chen, S. F. Yu, J. Zhang, H. Gong, H. D. Sun, and H. J. Fan, 'Hierarchical assembly of ZnO nanostructures on SnO2 backbone nanowires: low temperature hydrothermal preparation and optical properties', ACS Nano, vol. 3, no. 10, pp. 3069-3076, Oct. 2009.
     
  9. H. Y. Yang, S. F. Yu, S. P. Lau, X. W. Zhang, D. D. Sun, and G. Jun, 'Direct growth of ZnO nanocrystals onto the surface of porous TiO2 nanotube arrays for highly efficient and recyclable photocatalysts', Small, vol. 5, no. 20, pp. 2260-2264, Oct. 2009.
     
  10. H. Y. Yang, S. F. Yu, S. H. Tsang, T. P. Chen, J. Gao and T. Wu, 'High temperature excitonic lasing characteristics of randomly assembled SnO2 nanowires', Applied Physics Letters, vol. 95, Art. No. 131106, Sept. 2009.
     
  11. H. Y. Yang, S. F. Yu, H. K. Liang, C. Pang, B. Yan, and T. Yu, 'High-temperature lasing characteristics of randomly assembled ZnO nanowires with a ridge waveguide', Journal of Applied Physics, vol. 106, no. 4, Art. No. 043102, Aug. 2009.
     
  12. H. Y. Yang, S. F. Yu, S. P. Lau, S. H. Tsang, G. Z. Xing, and T. Wu, 'Ultraviolet coherent random lasing in SnO2 nanowires', Applied Physics Letters, vol. 94, Art. No. 241121, 2009.
     
  13. L. Miao, S. Tanemura, H. Y. Yang, and S. P. Lau, 'Synthesis and random laser application of ZnO nano-walls: a review', International Journal of Nanotechnology, vol. 6, no. 7/8, pp. 723-734, 2009. 
     
  14. L. Miao, S. Tanemura, H. Y. Yang, and S. P. Lau, 'Random laser action in 3-D ZnO nanostructures', Physica Status Solidi (c) , vol. 6, no. S1, pp. S154-S157, May 2009.
     
  15. S. H. Tsang, S. F. Yu, S. P. Lau, H. Y. Yang, and X. F. Li, 'Suppression of random lasing modes in polycrystalline ZnO thin-film by using distributed Bragg reflector', IEEE Photonics Technology Letters, vol. 21, no. 8, pp. 549-551, Apr. 2009.
     
  16. S. T. H. Silalahi, H. Y. Yang, K. Pita, and B. M. Yu, 'Rapid thermal annealing of sputtered silicon-rich oxide/SiO2 superlattice structure', Electrochemical and Solid-State Letters, vol. 12, no. 4, pp. K29-K32, Jan. 2009.
     
  17. L. K. Teh, C. C. Wong, H. Y. Yang, S. P. Lau, and S. F. Yu, 'Lasing in Electrodeposited ZnO Inverse Opal', Applied Physics Letters, vol. 91, Art. No. 161116, Oct. 2007.
     
  18. T. S. Herng, S. P. Lau, S. F. Yu, H. Y. Yang, K. S. Teng, and J. S. Chen, 'Enhancement of ferromagnetism and stability in Cu-doped ZnO by N2O annealing', Journal of Physics: Condensed Matter, vol. 19, no. 35, 356214, Sept. 2007. 
     
  19. X. H. Zhang, S. J. Chua, A. M. Yong, H. Y. Yang, S. P. Lau, S. F. Yu, and X. W. Sun, 'Temperature dependent exciton radiative lifetime in ZnO nanorods', International Journal of Nanotechnology, vol. 4, no. 4, pp. 404-411, 2007. 
     
  20. L. Miao, S. Tanemura, Y. Ieda, M. Tanemura, Y. Hayashi, H. Y. Yang, S. P. Lau, B. K. Tay, and Y. G. Cao, 'Synthesis, morphology and random laser action of ZnO nanostructures', Surface Science, vol. 601, no. 13, pp. 2660-2663, July 2007. 
     
  21. T. S. Herng, S. P. Lau, S. F. Yu, H. Y. Yang, J. S. Chen, and K. S. Teng, 'Ferromagnetic copper-doped ZnO deposited on plastic substrates', Journal of Physics: Condensed Matter, vol. 19, no. 23, 236214, June 2007. 
     
  22. A. P. Abiyasa, S. F. Yu, S. P. Lau, E. S. P. Leong, and H. Y. Yang, 'Enhancement of ultraviolet lasing from Ag-coated highly disordered ZnO films by surface-plasmon-resonance', Applied Physics Letters, vol. 90, Art. No. 231106, June 2007. 
     
  23. X. H. Ji, S. P. Lau, S. F. Yu, H. Y. Yang, T. S. Herng, A. Sedhain, J. Y. Lin, H. X. Jiang, K. S. Teng, and J. S. Chen, 'Magnetic anisotropy in the ferromagnetic Cu-doped ZnO nanoneedles', Applied Physics Letters, vol. 90, Art. No. 193118, May 2007. 
     
  24. C. Yuen, S. F. Yu, E. S. P. Leong, S. P. Lau, K. Pita, H. Y. Yang, and T. P. Chen, 'Room temperature deposition of p-type Arsenic doped ZnO polycrystalline films by laser-assist filtered cathodic vacuum arc technique', Journal of Applied Physics, vol. 101, Art. No. 094905, May 2007. 
     
  25. X. H. Ji, S. P. Lau, H. Y. Yang, and Q. Y. Zhang, 'Structural and optical properties of wurtzite InN grown on Si(111)', Thin Solid Films, vol. 515, no. 11, pp. 4619-4623, Apr. 2007. 
     
  26. H. S. Sim, S. P. Lau, H. Y. Yang, L. K. Ang, M. Tanemura, and K. Yamaguchi, 'Reliable and flexible carbon-nanofiber-based all-plastic field emission devices', Applied Physics Letters, vol. 90, Art. No. 143103, Apr. 2007. 
     
  27. X. H. Ji, S. P. Lau, S. F. Yu, H. Y. Yang, T. S. Herng, and J. S. Chen, 'Ferromagnetic Cu-doped AIN nanorods', Nanotechnology, vol. 18, no. 10, 105601, Mar. 2007. 
     
  28. T. S. Herng, S. P. Lau, S. F. Yu, H. Y. Yang, L. Wang, M. Tanemura, and J. S. Chen, 'Magnetic anisotropy in the ferromagnetic Cu-doped ZnO nanoneedles', Applied Physics Letters, vol. 90, Art. No. 032509, Jan. 2007. 
     
  29. X. H. Zhang, S. J. Chua, A. M. Yong, H. Y. Yang, S. P. Lau, S. F. Yu, X. W. Sun, L. Miao, M. Tanemura, and S. Tanemura, 'Exciton radiative lifetime in ZnO nanorods fabricated by vapor phase transport method', Applied Physics Letters, vol. 90, Art. No. 013107, Jan. 2007. 
     
  30. M. Tanemura, H. Hatano, M. Kitazawa, J. Tanaka, T. Okita, S. P. Lau, H. Y. Yang, S. F. Yu, L. Huang, L. Miao and S. Tanemura, and L. Huang, 'Room-temperature growth of carbon nanofibers on plastic substrates', Surface Science, vol. 600, no. 18, pp. 3663-3667, Sept. 2006. 
     
  31. H. Y. Yang, S. P. Lau, S. F. Yu, M. Tanemura, T. Okita, H. Hatano, K. S. Teng, and S. P. Wilks, 'Wavelength-tunable and high-temperature lasing in ZnMgO nanoneedles', Applied Physics Letters, vol. 89, Art. No. 081107, Aug. 2006. 
     
  32. M. Tanemura, T. Okita, J. Tanaka, M. Kitazawa, K. Itoh, L. Miao, S. Tanemura, S. P. Lau, H. Y. Yang, and L. Huang, 'Room-temperature growth and applications of carbon nanofibers: A review', IEEE Transactions on Nanotechnology, vol. 5, no. 5, pp. 587-594, Sept. 2006. 
     
  33. H. Y. Yang, S. P. Lau, S. F. Yu, A. P. Abiyasa, M. Tanemura, T. Okita, and H. Hatano, 'High-temperature random lasing in ZnO nanoneedles ', Applied Physics Letters, vol. 89, Art. No. 011103, July 2006. 
     
  34. S. P. Lau, L. Huang, S. F. Yu, H. Y. Yang, J. K. Yoo, S. J. An, and G-C. Yi, 'Enhanced secondary electron emission from group III nitride/ZnO coaxial nanorod heterostructures', Small, vol. 2, no. 6, pp. 736-740, June 2006. 
     
  35. X. H. Zhang, S. J. Chua, A. M. Yong, S. Y. Chow, H. Y. Yang, S. P. Lau, and S. F. Yu, 'Exciton radiative lifetime in ZnO quantum dots embedded in SiOx matrix', Applied Physics Letters, vol. 88, Art. No. 221903, May 2006. 
     
  36. T. S. Herng, S. P. Lau, S. F. Yu, H. Y. Yang, X. H. Ji, J. S. Chen, N. Yasui, and H. Inaba, 'Origin of room temperature ferromagnetism in ZnO:Cu films', Journal of Applied Physics, vol. 99, Art. No. 086101 , Apr. 2006. 
     
  37. L. Huang, S. P. Lau, H. Y. Yang, S. F. Yu, 'Local measurement of secondary electron emission from ZnO-coated carbon nanotubes', Nanotechnology, vol. 16, no. 17, pp. 1564-1567, Mar. 2006. 
     
  38. T. T. Tan, H. S. Sim, S. P. Lau, H. Y. Yang, M. Tanemura, and J. Tanaka, 'X-ray generation using carbon-nanofiber-based flexible field emitters', Applied Physics Letters, vol. 88, Art. No. 103105, Mar. 2006. 
     
  39. H. D. Li, S. F. Yu, S. P. Lau, E. S. P. Leong, H. Y. Yang, and A. P. Abiyasa, 'High-temperature lasing characteristics of ZnO epilayers', Advanced Materials, vol. 18, no. 6, pp. 771-774, Mar. 2006. 
     
  40. X. H. Ji , S. P. Lau, H. Y. Yang, and S. F. Yu, 'Aligned InN nanofingers prepared by the ion-beam assisted filtered cathodic vacuum arc technique', Nanotechnology, vol. 16, no. 12, pp. 3069-3073, Dec. 2005. (The published work has been highlighted in Nanotechnology Journal Highlights, 22 November 2005) 
     
  41. S. P. Lau, H. Y. Yang, S. F. Yu, C. Yuen, E. S. P. Leong, H. D. Li, and H. H. Hng, 'Flexible ultraviolet random lasers based on nanoparticles', Small, vol. 1, no. 10, pp. 956-959, Oct. 2005. 
     
  42. H. Y. Yang, S. P. Lau, S. F. Yu, L. Huang, M. Tanemura, J. Tanaka, T. Okita, and H. H. Hng, 'Field emission from zinc oxide nanoneedles on plastic substrates', Nanotechnology, vol. 16, no. 8, pp. 1300-1303, Aug. 2005. 
     
  43. S. P. Lau, H. Y. Yang, S. F. Yu, H. D. Li, M. Tanemura, J. Tanaka, T. Okita, and H. H. Hng, 'Laser action in ZnO nanoneedles selectively grown on silicon and plastic substrates', Applied Physics Letters, vol. 87, Art. No. 013104, July 2005. (also selected and published by the Virtual Journal of Nanoscale Science & Technology, vol. 12, no. 2, July 2005.) 
     
  44. C. Yuen, S. F. Yu, E. S. P. Leong, H. Y. Yang, S. P. Lau, and H. H. Hng, 'Formation conditions of random laser cavities in annealed ZnO epilayers', IEEE Journal of Quantum Electronics, vol. 47, no. 4, pp. 970-973, July 2005. 
     
  45. H. D. Li, S. F. Yu, A. P. Abiyasa, C. Yuen, S. P. Lau, H. Y. Yang, and E. S. P. Leong, 'Strain dependence of lasing mechanisms in ZnO epilayers', Applied Physics Letters, vol. 86, Art. No. 261111, June 2005. 
     
  46. L. Huang, S. P. Lau, H. Y. Yang, E. S. P. Leong, and S. F. Yu, 'Stable superhydrophobic surface via Carbon nanotubes coated with a ZnO thin film', Journal of Physical Chemistry B, vol. 109, no. 16, pp. 7746-7748, Apr. 2005. 
     
  47. C. Yuen, S. F. Yu, E. S. P. Leong, H. Y. Yang, S. P. Lau, N. S. Chen, and H. H. Hng, 'Low-loss and directional output ZnO thin-film ridge waveguide random lasers with MgO capped layer', Applied Physics Letters, vol. 86, Art. No. 031112, Jan. 2005.
     

Books

  1. H. Y. Yang, Zinc Oxide Based Nanostructures: Fabrication, Characterization and Applications, LAP Lambert Academic Publishing, 2009. ISBN: 978-3838323244 
     

Conference Papers

 

  1. H. Y. Yang, S. F. Yu, S. P. Lau, X. W. Zhang, 'High temperature random lasing from ZnO nanowires system', 14th OptoElectronics and Communications Conference (OECC 2009) , July 2009, Hong Kong. 
     
  2. H. Y. Yang, S. F. Yu, S. P. Lau, X. W. Zhang, 'Direct growth of ZnO nanocrystals onto the pores of porous TiO2 nanotube array films for the fabrication of highly efficient and recyclable photocatalyst', 7th International Conference on Materials for 13th International Conference on Advanced Technologies (ICMAT 2009) , July 2009, Singapore. 
     
  3. H. Y. Yang, S. P. Lau, T. S. Herng, S. F. Yu, M. Tanemura, 'Room Temperature UV Laser Emission from Ferromagnetic Zn1-xFexO Nanoneedles', MRS 2008 Spring Meeting , Mar. 2008, San Francisco, California. 
     
  4. H. Y. Yang, S. P. Lau, S. F. Yu, L. Huang, M. Tanemura, J. Tanaka, T. Okita, and H. H. Hng, 'Field emission from zinc oxide nanoneedles on plastic substrates', 3rd International Conference on Materials for 9th International Conference on Advanced Technologies (ICMAT 2005), July 2005, Singapore. 
     
  5. S. P. Lau, H. Y. Yang, S. F. Yu, H. H. Hng, M. Tanemura, T. Okita, and H. Hatano, 'Laser action in ZnO nanoneedles selectively grown on silicon and plastic substrates', 3rd International Conference on Materials for 9th International Conference on Advanced Technologies (ICMAT 2005), July 2005, Singapore.
     
  6. X. H. Ji, S. P. Lau, and H. Y. Yang, 'Epitaxial GaN Films on ZnO Buffered Si(100) Byfiltered Cathodic Vacuum Arc Technique', 3rd International Conference on Materials for 9th International Conference on Advanced Technologies (ICMAT 2005), July 2005, Singapore.
     
  7. C. Yuen, S. F. Yu, E. S. P. Leong, H. Y. Yang, S. P. Lau, and H. H. Hng, 'Formation Conditions of Random Laser Cavities in Annealed ZnO epilayers', 3rd International Conference on Materials for 9th International Conference on Advanced Technologies (ICMAT 2005), July 2005, Singapore. 
     
  8. S. P. Lau, H. Y. Yang, S. F. Yu, C. Yuen, and E. S. P. Leong, 'Optically pumped flexible ultraviolet random laser', The 3rd International Workshop on ZnO and Related Materials, Oct. 2004, Sendai, Japan. 
     
  9. C. Yuen, S. F. Yu, E. S. P. Leong, S. P. Lau, and H. Y. Yang, 'Zinc Oxide Coherent and Incoherent Random Laser from Heterolayers on Silicon', The 3rd International Workshop on ZnO and Related Materials, Oct. 2004, Sendai, Japan. 
     
     


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H-Index: 12 by ISI

Updated on 6th February 2010