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L. Liu, P.Y. Yu, Z.X. Ma,and S.S. Mao. Ferromagnetism in GaN:Gd: A Density Functional Theory Study, Phys. Rev. Lett.100, 127203 (2008).
Z. X. Ma, L. Liu, K.-M. Yu, W. Walukiewicz, D. Perry, P.Y. Yu, and S.S. Mao. Experimental and Theoretical Studies on Gadolinium Doping in ZnTe films, J. Appl. Phys. 103, 2 (2008).
Z. X. Ma, K.M. Yu, L. Liu, L. Wang, D.L. Perry, W. Walukiewicz, P.Y. Yu, and S.S. Mao. Copper-doped CdTe Films with High Hole Mobility, Appl. Phys. Lett. 91, 9 (2007).
I.-H. Choi, P.Y. Yu, P. Tangney, and S.G. Louie. Vibrational properties of single walled carbon nanotubes under pressure from Raman scattering experiments and molecular dynamics simulations, Phys. Stat. Sol. (b) 244, 121 (2007).
P.Y. Yu and I.-H. Choi. Wave Vector Dependent Pressure Coefficient of the Longitudinal Optical Phonon in CdS, Phys. Stat. Sol. (b) 243, 2693 (2006).
P.Y. Yu, G. Gardner, S. Nozaki and I. Berbezier. Light Scattering Spectroscopies of Semiconductor Nanocrystals (Quantum Dots). J. of Phys. Conference Series 28, 1 (2006).
I.-H. Choi and P. Y. Yu. Properties of a new CuAu Phase of AgGaSe2 Grown on [100] GaAs substrate. Appl. Phys. Lett. 87, 231909 (2005).
I.-H. Choi and P.Y. Yu. Pressure Dependence of the Optical and Vibrational Properties of Hexagonal and Cubic CdS Films grown on GaAs. Phys. Stat. Sol. (b) 241, 2813 (2005).
W Cheng, S.-F. Ren and P.Y. Yu. A New Microscopic Theory of Low Frequency Raman Modes in Ge Nanocrystals. Proceedings of the 27th Int. Conf. on Phys. of Semicond, edited by J. Menendez and C. Van de Walle. AIP Conference Proceedings vol. 772, 851 (2005).
I.-H. Choi and P. Y. Yu. Structural and Optical Properties of cubic-CdS and hexagonal-CdS thin films Grown by MOCVD on GaAs substrates using a Single-source Precursor C14H30CdN2S4. Phys. Stat. Sol. (b) 242, 1610 (2005).
W. Cheng, S.-F. Ren and P.Y. Yu. A Microscopic Theory of the Low Frequency Raman Modes in Germanium Nanocrystals. Phys. Rev. B 71, 174305 (2005); erratum: Phys. Rev. B >72, (2005).
I.-H. Choi and P.Y. Yu. Pressure dependence of phonon modes in CdGeP2. Phys. Stat. Sol. (b) 241, 3138 (2004).
S.-F. Ren, W. Cheng, and P.Y. Yu. Microscopic investigation of phonon modes in SiGe alloy nanocrystals. Phys. Rev. B 69, 235327 (2004).
W. Cheng, S.-F. Ren and P.Y. Yu. A Theoretical Investigation of the Surface Vibrational Modes in Germanium Nanocrystals. Phys. Rev. B 68, 193309 (2003).
I.-H. Choi and P.Y. Yu. Pressure Dependence of Phonons and Exciton in InSe films Prepared by Metal-Organic Chemical Vapor Deposition. Phys. Rev. B 68, 165339 (2003).
I.-H. Choi and P. Y. Yu. Properties of Phase-pure InSe films Prepared by MOCVD with a Single-Source Precursor. J. Appl. Phys. 93, 4673 (2003).
I-H. Choi and P. Y. Yu. Pressure Dependence of the Natural Birefringence in the II-IV-V2 Chalcopyrite CdGeP2. Phys. Stat. Sol. (b) 307 (2003).
X.H. Lu, P. Y. Yu, L.X. Zheng, S. J. Xu, M. H. Xie and S. Y. Tong. Evidence for A Type II Band Alignment between Cubic and Hexagonal Phases of GaN. Appl. Phys. Lett. 82, 1033 (2003).