Publications of Xiaohua Wu (X. Wu)

Xiaohua Wu, Ph.D. Research Council Officer at National Research Council of Canada, Ottawa, Canada

Papers in Refereed Journals

125. Y. Li, N. K Dang, G. Gao, H. Shin, S. Sharma, X. Wu, O. Kodra, A. Zborowski, P.R. L. Malenfant, J. Ding, C-T Dinh, and J. Ouyang, “Gold Nanocrystals and Conjugated Polymer-Wrapped Single-Walled Carbon Nanotube Composites for Catalyzing CO2 Electroreduction”, ACS Appl. Nano Mater. 8, 9077−9089 (2025) (http://doi.org/10.1021/acsanm.5c01797) 

124. R. Islam, X. Wu, D. J. Lockwood, D.-K. Ko, L. Tsybeskov, "Photoluminescence dynamics and ligand exchange in PbS/CdS core/shell nanocrystal films", J. Appl. Phys. 137, 014302 (2025) (https://doi.org/10.1063/5.0243708)

123.  A.N. Wakileh, L. Yu, D. Dokuz, S. Haffouz, X. Wu, J. Lapointe, D. Northeast, R. L. Williams, N. Rotenberg, P. J. Poole and D. Dalacu, “Single photon emission in the telecom C-band from nanowire-based quantum dots”, Appl. Phys. Lett. 124, 044006 (2024) (https://doi.org/10.1063/5.0179234)

122. A. Lothrop, Q Yang, X. Huang and X. Wu, "Characterization of (AlCrTiVZr)N High-Entropy Coating Produced by Cathodic Arc Evaporation", J. of Materi Eng and Perform. 33, 7240-7252 (2024) (https://doi.org/10.1007/s11665-023-08485-1)

121. J. Ouyang, N. Graddage, J. Lu, Y. Zhong, T. Chu, Y. Zhang, X. Wu, Z. Li, Y. Tao and J. Ding, “Ag2Te Colloidal Quantum Dots for Near-Infrared-II Photodetectors”, ACS Appl. Nano Mater. 4, 13587−13601 (2021)  (https://doi.org/10.1021/acsanm.1c03030)

120.  N. Graddage, J. Ouyang, J. Lu, T.-Y. Chu, Y. Zhang, Z. Li, X. Wu, P. R. L. Malenfant, and Y. Tao, “Near-Infrared-II Photodetectors Based on Silver Selenide Quantum Dots on Mesoporous TiO2 Scaffolds”, ACS Appl. Nano Mater. 3, 12209−12217 (2020) (https://doi.org/10.1021/acsanm.0c02686)

119. S. Haffouz, P. J. Poole, J. Jin, X. Wu, L. Ginet, K. Mnaymneh, D. Dalacu, and R. L. Williams, "Single quantum dot-in-a-rod embedded in a photonic nanowire waveguide for telecom band emission", Appl. Phys. Lett. 117, 113102 (2020) (http://doi.org/10.1063/5.0020681)

118 .  L. Tsybeskov, M. Alam, S. B. Hafiz, D.-K. Ko, A. M. Bratkovsky, X. Wu, and D. J. Lockwood, “Photoluminescence in PbS nanocrystal thin films: Nanocrystal density, film morphology and energy transfer”, J. Appl. Phys., 128, 134301 (2020)  (https://doi.org/10.1063/5.0022549 )

117. L. Tsybeskov, T. I. Kamins, X. Wu and D. J. Lockwood, “Axial Silicon-Germanium Nanowires: Properties and Device Applications”, ECS Transactions, 98, 13 (2020) (https://doi.org/10.1149/09802.0013ecst)

116. H. Tang, S. M. Sadaf, X. Wu, and W. Jiang, “Highly efficient p-type doping of GaN under nitrogen-rich and low-temperature conditions by plasma-assisted molecular beam epitaxy”, AIP Advances  9, 055008 (2019) (http://doi.org/10.1063/1.5089658)

115. R. Q. Yang, L. Li, W. Huang, S. M. Shazzad Rassel, J. A. Gupta, A. Bezinger, X. Wu, S.G. Razavipour, and G. C. Aers, “InAs-Based Interband Cascade Lasers”, IEEE J. Selected Topics in Quantum Electronics, 25,1200108 (2019) (http://doi.org/10.1109/JSTQE.2019.2916923) 

114. X. Wang, L. Tsybeskov, T. I. Kamins , X. Wu, and D. J. Lockwood, “Axial silicon-germanium nanowire heterojunctions: Structural properties and carrier transport”, J. Appl. Phys., 125, 205107  (2019) (http://doi.org/10.1063/1.5091934)

113. C. Carlson, D. Dalacu, C. Gustin, S. Haffouz, X. Wu, J. Lapointe, R.L. Williams, P.J. Poole, and S. Hughes, "Theory and experiments of coherent photon coupling in semiconductor nanowire waveguides with quantum dot molecules", Phys. Rev. B, 99, 085311 (2019) (http://dx.doi.org/10.1103/PhysRevB.99.085311)

112. L. Tsybeskov, S. A. Mala, X. Wang, J.-M. Baribeau, X. Wu, and D. J. Lockwood, "Determining Strain, Chemical Composition, and Thermal Properties of Si/SiGe Nanostructures via Raman Scattering Spectroscopy", ECS Transactions, 86 (1) 99-113 (2018) (http://dx.doi.org/10.1149/08601.0099ecst)

111. S.M.S. Rassel, L. Li, Y. Li, R.Q. Yang, J.A. Gupta, X. Wu, and G.C. Aers, “High-temperature and low-threshold interband cascade lasers at wavelengths longer than 6 µm”, Optical Engineering 57(1), 011021 (2018) (http://dx.doi.org/10.1117/1.OE.57.1.011021)

110. S. Haffouz, K.D. Zeuner, D. Dalacu, P.J. Poole, J. Lapointe, D. Poitras, K. Mnaymneh, X. Wu, M. Couillard, M. Korkusinski, E. Schöll, K.D. Jöns, V. Zwiller, and R.L. Williams, “Bright Single InAsP Quantum Dots at Telecom Wavelengths in Position-Controlled InP Nanowires: The Role of the Photonic Waveguide”, ACS Nano Lett. 18, 3047 (2018) (http://dx.doi.org/10.1021/acs.nanolett.8b00550)

109. M. Khoshnegar, T. Huber, A. Predojevic, D. Dalacu, M. Prilmuller, J. Lapointe, X. Wu, P. Tamarat, B. Lounis, P.J. Poole, G. Weihs & H. Majedi, “A solid state source of photon triplets based on quantum dot molecules”, Nature Communications, 15716 (2017) (http://dx.doi.org/10.1038/ncomms15716)

108. L.V. Titova, T.L. Cocker, S. Xu, J.-M. Baribeau, X. Wu, D.J. Lockwood and F.A. Hegmann, “Ultrafast carrier dynamics and the role of grain boundaries in polycrystalline silicon thin films grown by molecular beam epitaxy”, Semicond. Sci. Technol. 31, 105017 (2016) (http://dx.doi.org/10.1088/0268-1242/31/10/105017)

107. L. Tsybeskov, S.A. Mala, X. Wang, J.-M. Baribeau, X. Wu and D.J. Lockwood, “Inelastic light scattering spectroscopy in Si/SiGe nanostructures: Strain, chemical composition and thermal properties”, Solid State Communications, 245, 25 (2016) (http://dx.doi.org/10.1016/j.ssc.2016.07.008)

106.  D.J. Lockwood, X. Wu, J.-M. Baribeau, S.A. Mala, X. Wang and L. Tsybeskov, “Si/SiGe Heterointerfaces in One-, Two-, and Three-Dimensional Nanostructures: Their impact on SiGe Light emission”, Frontiers of Materials, 3, 12 (2016) (http://dx.doi.org/10.3389/fmats.2016.00012)

105. J. Zhang, Q. Yang, H. Cao, C.I. Ratcliffe, D. Kingston, Q.Y. Chen, J. Ouyang, X. Wu, D.M. Leek, F.S. Riehle, and K. Yu, “Bright Gradient-Alloyed CdSexS1−x Quantum Dots Exhibiting Cyan-Blue Emission”, Chem. Mater., 28, 618 (2016) (http://dx.doi.org/10.1021/acs.chemmater.5b04380)

104. X. Wang, L. Tsybeskov, T. I. Kamins, X. Wu, and D. J. Lockwood, “Structural and optical properties of axial silicon-germanium nanowire heterojunctions”, J. Appl. Phys., 118, 234301 (2015) (http://dx.doi.org/10.1063/1.4937345)

103. Y. Jiang, L. Li, R.Q. Yang, J.A. Gupta, G.C. Aers, E. Dupont, J.-M. Baribeau, X. Wu and M.B. Johnson, “Type-I interband cascade lasers near 3.2µm”, Appl. Phys. Lett., 106, 041117 (2015) (http://dx.doi.org/10.1063/1.4907326)

102. S. A. Mala, L. Tsybeskov, D. J. Lockwood, X. Wu and J.-M. Baribeau, “Raman scattering in Si/SiGe nanostructures: Revealing chemical composition, strain, intermixing, and heat dissipation”, J. Appl. Phys., 116, 014305 (2014) (http://dx.doi.org/10.1063/1.4886598)

101. X. Ruan, C. Yang, X. Wu, K. Yu and Y. Feng, “UV-induced transformation and physicochemical property changes of quantum dots in the presence of air”, J. Nanopart Res., 16, 2435 (2014) (http://dx.doi.org/10.1007/s11051-014-2435-x)

100. S. A. Mala, L. Tsybeskov, D. J. Lockwood, X. Wu and J.-M. Baribeau, “Fast and intense photoluminescence in a SiGe nano-layer embedded in multilayers of Si/SiGe clusters”, Appl. Phys. Lett., 103, 033103 (2013) (http://dx.doi.org/10.1063/1.4813560)

99. H.B. Gunay, P. Ghods, O. B. Isgor, G.J.C. Carpenter and X. Wu, “Characterization of atomic structure of oxide films on carbon steel in simulated concrete pore solutions using EELS”, Applied Surface Science, 274, 195 (2013) (http://dx.doi.org/10.1016/j.apsusc.2013.03.014)

98. A. Akbari-Sharbaf, J-M Baribeau, X. Wu, D.J. Lockwood and G. Fanchini, “Disorder and defect formation mechanisms in molecular-beam-epitaxy grown silicon epilayers”, Thin Solid Films, 527, 38 (2013) (http://dx.doi.org/10.1016/j.tsf.2012.11.140)

97. K. Yu, P. Ng, J. Ouyang, Md.B. Zaman, A. Abulrob, T.N. Baral, D. Fatehi, Z.J. Jakubek, D. Kingston, X. Wu, X. Liu, C. Hebert, D.M. Leek and D.M. Whitfield, “Low-Temperature Approach to Highly Emissive Copper Indium Sulfide Colloidal Nanocrystals and Their Bioimaging Applications”, ACS Appl. Mater. Interfaces, 5, 2870 (2013) (http://dx.doi.org/10.1021/am302951k)

96. M. Baranowski, M. Syperek, R. Kudrawiec, J. Misiewicz, J.A. Gupta, X. Wu and R. Wang, “Carrier dynamics in type-II GaAsSb/GaAs quantum wells”, J. Phys: Condens. Matter, 24, 185801 (2012) (http://dx.doi.org/10.1088/0953-8984/24/18/185801)

95.  D. Dalacu, K. Mnaymneh, J. Lapointe, X. Wu, P.J. Poole, G. Bulgarini, V. Zwiller and M. E. Reimer, “Ultraclean Emission from InAsP Quantum Dots in Defect-Free Wurtzite InP Nanowires”, ACS Nano Lett., 12, 5919 (2012) (http://dx.doi.org/10.1021/nl303327h)

94.  K. Yu, A. Hrdina, J. Ouyang, D. Kingston, X. Wu, D.M. Leek, X. Liu and C. Li, “Ultraviolet ZnSe1−xSx Gradient-Alloyed Nanocrystals via a Noninjection Approach”, ACS Appl. Mater. Interfaces., 4, 4302 (2012) (http://dx.doi.org/10.1021/am3009828)

93. P.J Poole, D. Dalacu, X. Wu, J. Lapointe and K. Mnaymneh, “Interplay between crystal phase purity and radial growth in InP nanowires”, Nanotechnology, 23, 385205 (2012) (http://dx.doi.org/10.1088/0957-4484/23/38/385205)

92. S. Fairchild, M. Cahay, P.T. Murray, L. Grazulis, X. Wu, D. Poitras and D.J. Lockwood, “Grain size, texture, and crystallinity in lanthanum monosulfide thin films grown by pulsed laser deposition”, Thin Solid Films, 524, 166 (2012) (http://dx.doi.org/10.1016/j.tsf.2012.10.022)

91. X. Wu, M.D. Robertson, M. Kawasaki and J.-M. Baribeau, “Effects of small specimen tilt and probe convergence angle on ADF-STEM image contrast of Si0.8Ge0.2 epitaxial strained layers on (100) Si”, Ultramicroscopy, 114, 46-55 (2012) (http://dx.doi.org/10.1016/j.ultramic.2012.01.001)

90.  N. Modi, D. J. Lockwood, X. Wu, J.-M. Baribeau and L. Tsybeskov, “Excitation wavelength dependent photoluminescence in structurally nonuniform Si/SiGe-island heteroepitxial multilayers”, J. Appl. Phys., 111, 114313 (2012)(http://dx.doi.org/10.1063/1.4729077)

89. M.B. Zaman, D. Bardelang, M. Prakesch, D.M. Leek, J.-V. Naubron, G. Chan, X. Wu, J.A. Ripmeester, C.I. Ratcliffe and Kui Yu, “Size Reduction of CdSe/ZnS Quantum Dots by a Peptidic Amyloid Supergelator”, Appl. Mater. Interfaces., 4, 1178 (2012) (http://dx.doi.org/10.1021/am3001715)

88. N. Modi, L. Tsybeskov, J.-M. Baribeau, X. Wu and D. J. Lockwood, “Photoluminescence fatigue in three-dimensional silicon/silicon-germanium nanostructures”, J. Appl. Phys., 111, 064318 (2012) (http://dx.doi.org/10.1063/1.3698303)

87. L. Tay, P. Huang, J. Tanha, S. Ryan, X. Wu, J. Hulse and L. Chau, “Silica encapsulated SERS nanoprobe conjugated to the bacteriophage tailspike protein for targeted detection of Salmonellaw”, Chem. Commun., 44, 1024-1026 (2012) (http://dx.doi.org/10.1039/C1CC16325F)

86. K. Yu, J. Ouyang, Y. Zhang, H.-T Tung, S. Lin, R.A.L. Nagelkerke, D. Kingston, X. Wu, D.M. Leek, D. Wilkinson, C. Li, I.-G. Chen and Y. Tao, “Low-Temperature Noninjection Approach to Homogeneously-Alloyed PbSexS1-x Colloidal Nanocrystals for Photovoltaic Applications”, ACS Appl. Mater. Interfaces., 3, 1511 (2011) (http://dx.doi.org/10.1021/am200081m)

85. D. Dalacu, K. Mnaymneh, X. Wu, J. Lapointe, G.C. Aers, P.J. Poole and R.L. Williams, “Selective-area vapor-liquid-solid growth of tunable InAsP quantum dots in nanowires”, Appl. Phys. Lett., 98, 251101 (2011) (http://dx.doi.org/10.1063/1.3600777)

84. J. Ouyang, C. Schuurmans, Y. Zhang, R. Nagelkerke, X. Wu, D. Kingston, Z. Wang, D. Wilkinson, C. Li, D.M. Leek, Y. Tao and K. Yu, “Low-Temperature Approach to High-Yield and Reproducible Syntheses of High-Quality Small-Sized PbSe Colloidal Nanocrystals for Photovoltaic Applications”, ACS Appl. Mater. Interfaces., 3, 553 (2011) (http://dx.doi.org/10.1021/am101129m)

83. K. Yu, A. Hrdina, X. Zhang, J. Ouyang, D.M. Leek, X. Wu, M. Gong, D. Wilkinson and C. Li, “Highly-photoluminescent ZnSe nanocrystals via a non-injection-based approach with precursor reactivity elevated by a secondary phosphinew”, Chem. Commun., 47, 8811, (2011) (http://dx.doi.org/10.1039/C1CC12237A)

82. M.B. Zaman, D. Bardelang, S. Lang, M.R. Karim, X. Wu, Z.J. Jakubek, K. Udachin, C.I. Ratcliffe, J.A. Ripmeester and K. Yu, “Nanoscale assembly of photoluminescent quantum dots on the surface of calix[8]arene microcrystals”, CrystEngComm, 13, 3306 (2011) (http://dx.doi.org/10.1039/C0CE00930J)

81. M. Cahay, P. Boolchand, S.B. Fairchild, L. Grazulis, P.T. Murray, T.C. Back, V. Semet, V.T. Binh, X. Wu, D. Poitras, D.J. Lockwood, F. Yu and V. Kuppa, “Review Article: Rare-earth monosulfides as durable and efficient cold cathodes”, J. Vac. Sci. Technol. B, 29, 06F602 (2011) (http://dx.doi.org/10.1116/1.3653275)

80. M.B. Zaman, T.N. Baral, Z.J. Jakubek, J. Zhang, X. Wu, E. Lai, D. Whitfield and K. Yu, “Single-Domain Antibody Bioconjugated Near-IR Quantum Dots for Targeted Cellular Imaging of Pancreatic Cancer”, J. Nanosci. Nanotechnol. 11, 1 (2011) (http://dx.doi.org/10.1166/jnn.2011.4167)

79. A.G.U. Perera, S.G. Matsik, D.P. Pitigala, Y.F. Lao, S.P. Khanna, L.H. Li, E.H. Linfield, Z.R. Wasilewski, M. Buchanan, X. Wu and H.C. Liu, “Effects of graded barriers on the operation of split-off band infrared detectors”, Infrared Physics & Technology, 54, 296 (2011) (http://dx.doi.org/10.1016/j.infrared.2010.12.033)

78. M. Baranowski, M. Syperek, R. Kudrawiec, J. Misiewicz, J. A. Gupta, X. Wu and R. Wang, “Carrier dynamics between delocalized and localized states in type-II GaAsSb/GaAs quantum wells”, Appl. Phys. Lett., 98, 061910 (2011) (http://dx.doi.org/10.1063/1.3548544)

77. J. Liu, X. Wu, W.N. Lennard, D. Landheer and M.W.C. Dharma-Wardana, “Surface-directed spinodal decomposition in the pseudobinary alloy (HfO2)x(SiO2)1−x”, J. Appl. Phys., 107, 123510 (2010) (http://dx.doi.org/10.1063/1.3448232)

76. K. Yu, M.Z. Hu, R. Wang, M.L. Piolet, M. Frotey, M.B. Zaman, X. Wu, D.M. Leek, Y. Tao, D. Wilkinson and C. Li, “Thermodynamic Equilibrium-Driven Formation of Single-Sized Nanocrystals: Reaction Media Tuning CdSe Magic-Sized versus Regular Quantum Dots”, J. Phys. Chem. C, 114, 3329 (2010) (http://dx.doi.org/10.1021/jp909310a)

75. K. Yu, Y. Cui, C. Li, Md B. Zaman, R. Wilkins, X. Wu and J. Ouyang, “Optical Response of CdSe Quantum Dots to Cesium-137 Gamma-Ray Radiation”, J. Nanosci. Nanotechnol. 10, 1819 (2010) (http://dx.doi.org/10.1166/jnn.2010.2079)

74. X. Wu and J.-M. Baribeau, “Composition and strain contrast of Si1−xGex (x = 0.20) and Si1−yCy (y <= 0.015) epitaxial strained films on (100) Si in annular dark field images”, J. Appl. Phys., 105, 043517 (2009) (http://dx.doi.org/10.1063/1.3082019)

73. M. Li, J. Ouyang, C.I. Ratcliffe, L. Pietri, X. Wu, D.M. Leek, I. Moudrakovski, Q. Lin, B. Yang and K. Yu, “CdS Magic-Sized Nanocrystals Exhibiting Bright Band Gap Photoemission via Thermodynamically Driven Formation”, ACS Nano, 3, 3832 (2009) (http://dx.doi.org/10.1021/nn9009455)

72. J. Liu, X. Wu, W. N. Lennard and D. Landheer, “Surface-directed spinodal decomposition in hafnium silicate thin films”, Phys. Rev. B, 80, 041403 (R) (2009) (http://dx.doi.org/10.1103/PhysRevB.80.041403)

71. D. Dalacu, A. Kam, D.G. Austing, X. Wu, J. Lapointe, G.C. Aers and P.J. Poole, "Selective-area vapour-liquid-solid growth of InP nanowires", Nanotechnology, 20, 395602 (2009) (http://dx.doi.org/10.1088/0957-4484/20/39/395602)

70. R. Wang, C.I. Ratcliffe, X. Wu, O. Voznyy, Y. Tao and K. Yu, “Magic-Sized Cd3P2 II-V Nanoparticles Exhibiting Bandgap Photoemission”, J. Phys. Chem. C, Letters 113, 17979 (2009) (http://dx.doi.org/10.1021/jp907642b)

69. M. Li, Md.B. Zaman, D. Bardelang, X. Wu, D. Wang, J.C. Margeson, D.M. Leek, J. A. Ripmeester, C.I. Ratcliffe, Q. Lin, B. Yang and K. Yu, “Photoluminescent quantum dot–cucurbituril nanocomposites”, Chem. Commun., 2009, Issue 44, 6807-6809 (2009) (http://dx.doi.org/10.1039/B913914A)

68. H.-Y. Chang, L. Tsybeskov, S. Sharma, T. I. Kamins, X. Wu and D. J. Lockwood, “Photoluminescence and Raman scattering in axial Si/Ge nanowire heterojunctions”, Appl. Phys. Lett., 95, 133120 (2009) (http://dx.doi.org/10.1063/1.3240595)

67. C.-L. Sun, Y.-K. Hsu, Y.-G. Lin, K.-H. Chen, C. Bock, B. MacDougall, X. Wu and L.-C. Chen, “Ternary PtRuNi nanocatalysts supported on N-doped carbon nanotubes: deposition process, material characterization and electrochemistry”, J. Electrochem. Soc. 156, B1249 (2009) (http://dx.doi.org/10.1149/1.3194800)

66. J.-M. Baribeau and X. Wu, “Advances in self-assembled SiGe islands and nanostructures”, Phys. Status Solidi C, 6, S17 (2009) (http://dx.doi.org/10.1002/pssc.200881273)

65. J. Liu, W. N. Lennard, L.V. Goncharova, D. Landheer, X. Wu, S.A. Rushworth and A.C. Jones, “Atomic Layer Deposition of Hafnium Silicate Thin Films Using Tetrakis(diethylamido)hafnium and Tris(2-methyl-2-butoxy)silanol”, J. Electrochem. Soc. 156, G89 (2009) (http://dx.doi.org/10.1149/1.3137053)

64. S. Haffouz, S. Raymond, Z.G. Lu, P.J. Barrios, D. Roy-Guay, X. Wu, J.R. Liu, D. Poitras and Z. Wasilewski, “Growth and fabrication of quantum dots superluminescent diodes using indium flush technique: a new approach in controlling the bandwidth”, J. Crystal Growth, 311, 1803 (2009) (http://dx.doi.org/10.1016/j.jcrysgro.2008.10.107)

63. L. Tsybeskov, E.-K. Lee, H.-Y. Chang, D.J. Lockwood, J.-M. Baribeau, X. Wu and T.I. Kamins, “Silicon–germanium nanostructures for on-chip optical interconnects”, Appl. Phys. A Materials Science and Processing, 95, 1015 (2009) (http://dx.doi.org/10.1007/s00339-009-5111-8)

62. J. Ouyang, J. Kuijper, S. Brot, D. Kingston, X. Wu, D.M. Leek, M.Z. Hu, J.A. Ripmeester and K. Yu, “Photoluminescent colloidal CdS nanocrystals with high quality via noninjection one-pot synthesis in 1-octadecene”, J. Phys. Chem. C, 113, 7579 (2009) (http://dx.doi.org/10.1021/jp900252e)

61. J. Ouyang, M. Vincent, D. Kingston, P. Descours, T. Boivineau, M.B. Zaman, X. Wu and K. Yu, “Noninjection, one-pot synthesis of photoluminescent colloidal homogeneously alloyed CdSeS quantum dots”, J. Phys. Chem. C, 113, 5193 (2009) (https://doi.org/10.1021/jp8110138)

60. K. Yu, J. Ouyang, M.B. Zaman, D. Johnson, F. Yan, G. Li, C.I. Ratcliffe, D.M. Leek, X. Wu, J. Stupak, Z. Jakubek and D. Whitfield, “Single-sized CdSe nanocrystals with bandgap photoemission via a noninjection one-pot approach”, J. Phys. Chem. C, 113, 3390 (2009) (https://doi.org/10.1021/jp809990a)

59. R. Wang, O. Calvignanello, C.I. Ratcliffe, X. Wu, D.M. Leek, M.B. Zaman, D. Kingston, J.A. Ripmeester and K. Yu, “Homogeneously-alloyed CdTeSe single-sized nanocrystals with bandgap photoluminescence”, J. Phys. Chem. C, 113, 3402 (2009) (https://doi.org/10.1021/jp810325z)

58. T.-Y. Liu, M. Li, J. Ouyang, M.B. Zaman, R. Wang, X. Wu, C.-S. Yeh, Q. Lin, B. Yang and K. Yu, “Non-Injection and Low-Temperature Approach to Colloidal Photoluminescent PbS Nanocrystals with Narrow Bandwidth”, J. Phys. Chem. C, 113, 2301 (2009) (https://doi.org/10.1021/jp809171f)

57. R. Wang, J. Ouyang, S. Nikolaus, L. Brestaz, M.B. Zaman, X. Wu, D. Leek, C.I. Ratcliffe and K. Yu, “Single-sized colloidal CdTe nanocrystals with strong bandgap photoluminescence”, Chem. Commun.,2009, Issue 8, 962-964 (2009) (https://doi.org/10.1039/B818967F)

56. X. Wu, M.D. Robertson, J.A. Gupta and J.-M. Baribeau, “Strain contrast of GaNyAs1-y (y = 0.029 and 0.045) epitaxial layers on (100) GaAs substrates in annular dark field images”, J. Phys: Condens. Matter, 20, 075215 (2008) (http://dx.doi.org/10.1088/0953-8984/20/7/075215)

55. S. Awirothananon, S. Raymond, S. Studenikin, M. Vachon, W. Render, A. Sachrajda, X. Wu, A. Babinski, M. Potemski, S. Fafard, S. J. Cheng, M. Korkusinski and P. Hawrylak, “Single-exciton energy shell structure in InAs/GaAs quantum dots”, Phys. Rev. B, 78, 235313 (2008) (https://doi.org/10.1103/PhysRevB.78.235313) 

54. C. Dion, P. Desjardins, F. Schiettekatte, M. Chicoine, P. J. Poole, X. Wu and S. Raymond, “Vacancy-mediated intermixing in InAs/InP(001) quantum dots subjected to ion implantation”, J. Appl. Phys.,104, 043527 (2008) (https://doi.org/10.1063/1.2970093) 

53. J. Ouyang, C.I. Ratcllife, D. Kingston, B. Wilkinson, J. Kuijper, X. Wu, J.A. Ripmeester and K. Yu, “Gradually alloyed ZnxCd1-xS colloidal photoluminescent quantum dots synthesized via a noninjection one-pot approach”, J. Phys. Chem. C, 112, 4908 (2008) (https://doi.org/10.1021/jp710852q)

52. D. Bardelang, Md. B. Zaman, I.L. Moudrakovski, S. Pawsey, J.C. Margeson, D. Wang, X. Wu, J. A. Ripmeester, C.I. Ratcliffe and K. Yu, “Interfacing Supramolecular Gels and Quantum Dots with Ultrasound: Smart Photoluminescent Dipeptide Gels”, Adv. Mater. 20, 4517 (2008) (https://doi.org/10.1002/adma.200801812)

51. J. Ouyang, Md. B. Zaman, F. Yan, D. Johnston, G. Li, X. Wu, D. Leek, C.I. Ratcliffe, J.A. Ripmeester and K. Yu, “Multiple families of magic-sized CdSe nanocrystals with strong bandgap photoluminescence via noninjection one-pot syntheses” J. Phys. Chem. C, 112, 13805 (2008) (https://doi.org/10.1021/jp803845n)

50. S. Fairchild, M. Cahay, L. Grazulis, K. Garre, X. Wu and D.J. Lockwood, “Field emission from lanthanum monosulfide thin films grown on (100) magnesium oxide substrates”, J. Vac. Sci. Technol. B. 26, 891 (2008) (https://doi.org/10.1116/1.2837909)

49. D.J. Lockwood, X. Wu and J.-M. Baribeau, “Compositional Redistribution in Coherent Si1-xGex Islands on Si(100)”, IEEE Trans. On Nanotechnology, 6, 245 (2007) (https://doi.org/10.1109/TNANO.2007.891818)

48. J.-M. Baribeau and X. Wu, “Si/Ge dots and self-assembled nanostructures”, Physics in Canada, 63, 23 (2007) (https://pic-pac.cap.ca/static/downloads/1bdd2b123375c6d4d45f82b0a05e0290bfa3fe9a.pdf)

47. J-H. Chen, T-F. Lei, D. Landheer, X. Wu, M-W. Ma, W-C. Wu, T.-Y Yang and T-S. Chao, “Nonvolatile Memory Characteristics with Embedded Hemispherical Silicon Nanocrystals”, Jpn. J. Appl. Phys., 46 (10A), 6586 (2007) (https://doi.org/10.1143/JJAP.46.6586)

46. J-H. Chen, T-F. Lei, D. Landheer, X. Wu, J. Liu and T-S. Chao, “Si nanocrystal memory devices self-assembled by in situ rapid thermal annealing of ultrathin a-Si on SiO2”, Electrochemical and Solid-State Letters, 10, H302 (2007) (https://doi.org/10.1149/1.2764459)

45. J. Ouyang, J.A. Ripmeester, X. Wu, D. Kingston, K. Yu, A.G. Joly and W. Chen, “Upconversion luminescence of colloidal CdS and ZnCdS semiconductor quantum dots”, J. Phys. Chem. C, 111, 16261 (2007) (https://doi.org/10.1021/jp074416b)

44. J.-H. Chen, T.-B. Huang, X. Wu, D. Landheer, T.-F. Lei and T.-S. Chao, “Performance improvement of CoTiO3 high-k dielectrics with nitrogen incorporation”, J. Electrochem. Soc. 152, G18 (2007) (https://doi.org/10.1149/1.2388733)

43. M.J. Graham, S. Moisa, G.I. Sproule, X. Wu, D. Landheer, A.J. SpringThorpe, P. Barrios, S. Klebber and P. Schmuki, “Oxidation of III-V semiconductors”, Corrosion Science, 49, 31 (2007) (https://doi.org/10.1016/j.corsci.2006.05.004)

42. R. Kudrawiec, J.A. Gupta, M. Motyka, M. Gladysiewicz, J. Misiewicz and X. Wu, “Contactless electroreflectance of GaN0.025As0.975-xSbx/GaAs quantum wells with high Sb content (0.27 <= x <= 0.33): The determination of band gap discontinuity”, Appl. Phys. Lett., 89, 171914 (2006) (https://doi.org/10.1063/1.2370506)

41. J.-M. Baribeau, X. Wu and D.J. Lockwood, “Probing the composition of Ge dots and Si/Si1-xGex island superlattices”, J. Vac. Sci. Technol. A, 24, 663 (2006) (https://doi.org/10.1116/1.2186658)

40. J.-M. Baribeau, X. Wu, N.L. Rowell and D.J. Lockwood, “Ge dots and nanostructureres grown epitaxially on Si”, J. Phys: Condens. Matter 18, R139 (2006) (https://doi.org/10.1088/0953-8984/18/8/R01)

39. M. Cahay, K. Garre, X. Wu, D. Poitras, D.J. Lockwood and S. Fairchild, “Physical properties of lanthanum monosulfide thin films grown on (100) silicon substrates”, J. Appl. Phys. 99, 123502 (2006) (https://doi.org/10.1063/1.2201998)

38. J.A. Gupta, P.J. Barrios, J.A. Caballero, D. Poitras, G.C. Aers, G. Pakulski and X. Wu, “Gain and lifetime of GaInNAsSb narrow ridge waveguide laser diodes in continuous-wave operation at 1.56 µm”, Appl. Phys. Lett., 89, 151119 (2006) (https://doi.org/10.1063/1.2361179)

37. J.A. Gupta, I.S. Sproule, X. Wu and Z.R. Wasilewski, “Molecular beam epitaxy growth of 1.55mm GaInNAs(Sb) double quantum wells with bright and narrow photoluminescence”, J. Crystal Growth, 291, 86 (2006) (https://doi.org/10.1016/j.jcrysgro.2006.02.027)

36. V. Semet, M. Cahay, Vu Thien Binh, S. Fairchild, X. Wu and D.J. Lockwood, “Patchwork field emission properties of lanthanum monosulfide thin films”, J. Vac. Sci. Technol. B, 24, 2412 (2006) (https://doi.org/10.1116/1.2354161)

35. Y. Abdi, J. Koohsorkhi, J. Derakhshandeh, S. Mohajerzadeh, H. Hoseinzadegan, M.D. Robertson, J.C. Bennett, X. Wu and H. Radamson, “PECVD-grown carbon nanotubes on silicon substrates with a nickel-seeded tip-growth structure”, Mater. Sci. Eng. C, 26, 1219 (2006) (https://doi.org/10.1016/j.msec.2005.09.012)

34. X. Zhang, J.A. Gupta, P.J. Barrios, G. Pakulski, X. Wu and A. Delage, “Gain spectra of 1.3um GaInNAs laser diodes”, J. Vac. Sci. Technol. A, 24, 787 (2006) (https://doi.org/10.1116/1.2186662)

33. H.D. Sun, S. Calvez, M.D. Dawson, J.A. Gupta, G.I. Sproule, X. Wu and Z.R. Wasilewski, “Role of Sb in the growth and optical properties of 1.55 um GaInN(Sb)As/GaNAs quantum-well structures by molecular-beam epitaxy”, Appl. Phys. Lett., 87, 181908 (2005) (https://doi.org/10.1063/1.2123383)

32. J.A. Gupta, P.J. Barrios, X. Zhang, J. Lapointe, D. Poitras, G. Pakulski, X. Wu and A. Delage, “Room-temperature continuous-wave operation of GaInNAsSb laser diodes at 1.55 um”, Electronics Letters, 41, 1061 (2005) (http://dx.doi.org/10.1049/el:20052712)

31. X. Wu, J.-M. Baribeau, J.A. Gupta and M. Beaulieu, “Strain relaxation in InNyAs1-y films on (100) GaAs”, J. Crystal Growth, 282, 18 (2005)(http://dx.doi.org/10.1016/j.jcrysgro.2005.04.081)

30. M. Couillard, M.-S. Lee, D. Landheer, X. Wu and G. A. Botton, “Annealing effects on the chemical configuration of uncapped and (poly-Si)-capped HfOxNy film deposited on Si(001)”, J. Electrochem. Soc. 152, F101 (2005) (https://doi.org/10.1149/1.1939087)

29. J.A. Gupta, P.J. Barrios, G. Pakulski, X. Zhang and X. Wu, “1.53 um GaInNAsSb laser diodes grown on GaAs (100)”, Electronics Letters, 41, 71 (2005) (https://doi.org/10.1049/el:20057623)

28. S. Fairchild, J. Jones, M. Cahay, K. Garre, P. Draviam, P. Boolchand, X. Wu and D. J. Lockwood, “Pulsed laser deposition of lanthanum monosulfide thin films on silicon substrates”, J. Vac. Sci. Technol. B, 23, 318 (2005) (https://doi.org/10.1116/1.1856477)

27. J.-M. Baribeau, X. Wu, D.J. Lockwood, L. Tay and G.I. Sproule, “Low-temperature Si growth on Si (001): Impurity incorporation and limiting thickness for epitaxy”, J. Vac. Sci. Technol. B, 22, 1479 (2004) (https://doi.org/10.1116/1.1650852)

26. Z.R. Wasilewski, J.-M. Baribeau, M. Beaulieu, X. Wu and G.I. Sproule, “Studies of oxide desorption from GaAs substrates via Ga2O3 to Ga2O conversion by exposure to Ga flux”, J. Vac. Sci. Technol. B, 22, 1534 (2004) (https://doi.org/10.1116/1.1752913)

25. L. Santinacci, G.I. Sproule, S. Moisa, D. Landheer, X. Wu, A. Banu, T. Djenizian, P. Schmuki and M.J. Graham, “Growth and characterization of thin anodic oxide films on n-InSb(100) formed in aqueous solutions”, Corrosion Science. 46, 2067 (2004) (http://dx.doi.org/10.1016/j.corsci.2003.11.003)

24. H. Ahn, H.-W. Chen, D. Landheer, X. Wu, L.J. Chou and T.-S. Chao, “Characterization of interfacial layer of ultrathin Zr silicate on Si (100) using spectroscopic ellipsometry and HRTEM”, Thin Solid Films, 455-456, 318 (2004) (https://doi.org/10.1016/j.tsf.2004.01.017)

23. L. Tay, D.J. Lockwood, J.-M. Baribeau, X. Wu and G.I. Sproule, “Raman and transmission electron microscopy study of disordered silicon grown by molecular beam epitaxy”, J. Vac. Sci. Technol. A, 22, 943 (2004) (https://doi.org/10.1116/1.1676345)

22. M.J. Graham, S. Moisa, G.I. Sproule, X. Wu, J.W. Fraser, P.J. Barrios, D. Landheer, A.J. SpringThorpe and M. Extavour, “Thermal oxidation of InAlP”, Materials at High Temperatures, 20, 277 (2003) (https://doi.org/10.1179/mht.2003.032)

21. X. Wu, D. Landheer, M.J. Graham, H.-W. Chen, T.-Y. Huang and T.-S. Chao, “Structure and thermal stability of MOCVD ZrO2 films on Si (100)”, J. Crystal Growth, 250, 479 (2003) (http://dx.doi.org/10.1016/S0022-0248(03)00827-3)

20. X. Wu and G. C. Weatherly, “Equilibrium position of misfit dislocations in thin epitaxial films”, Semicond. Sci. Technol. 18, 307 (2003) (http://dx.doi.org/10.1088/0268-1242/18/4/320)

19. K. Yu, X. Wu, C.J. Brinker and J. Ripmeester, “Mesostructured MTES-derived silica thin film with spherical voids investigated by TEM: 1. Mesostructure determination”, Langmuir, 19, 7282 (2003) (https://doi.org/10.1021/la034310h)

18. X. Wu, K. Yu, C.J. Brinker and J. Ripmeester, “Mesostructured MTES-derived silica thin film with spherical voids investigated by TEM: 2. Dislocations and strain relaxation”, Langmuir, 19, 7289 (2003) (http://dx.doi.org/10.1021/la034309i)

17. M. Lee, Z.-H Lu, W.T. Ng, D. Landheer, X. Wu and S. Moisa, “Interfacial growth of HfOxNy gate dielectrics deposited by MOCVD using amid precursor”, Appl. Phys. Lett. 83, 2638 (2003) (https://doi.org/10.1063/1.1608488)

16. H.-W. Chen, T.-Y. Huang, D. Landheer, X. Wu, S. Moisa, G.I. Sproule J.K. Kim, W.N. Lennard and T.-S. Chao, “Ultrathin zirconium silicate films deposited on Si(100) using Zr(Oi-Pr)2(thd)2, Si(Ot-Bu)2(thd)2 and nitric oxide”, J. Electrochem. Soc. 150, C465 (2003) (https://doi.org/10.1149/1.1577339)

15. X. Wu, D. Landheer, T. Quance, M.J. Graham and G.A. Botton, “Structural Comparison of gadolinium and lanthanum silicate films on Si (100) by HRTEM, EELS and SAED”, Applied Surface Science, 200,15 (2002) (http://dx.doi.org/10.1016/S0169-4332(02)00888-7)

14. T. Djenizian, G.I. Sproule, S. Moisa, D. Landheer, X. Wu, L. Santinacci, P. Schmuki and M.J. Graham, “Composition and growth of thin anodic oxides formed on InP (100)”, Electrochimica Acta, 47, 2733 (2002) (https://doi.org/10.1016/S0013-4686(02)00138-X)

13. H.-W. Chen, T.-Y. Huang, D. Landheer, X. Wu, S. Moisa, G.I. Sproule and T.-S. Chao, “Physical and electrical characterization of ZrO2 gate insulators deposited on Si(100) using Zr(Oi-Pr)2(thd)2 and O2”, J. Electrochem. Soc. 149, F49 (2002) (https://doi.org/10.1149/1.1471891)

12. X. Wu, D. Landheer, G.I. Sproule, T. Quance, M.J. Graham and G.A. Botton, “Characterization of gadolinium and lanthanum oxide films on Si (100)”, J. Vac. Sci. Technol. A, 20, 1141 (2002) (http://dx.doi.org/10.1116/1.1463079)

11. H.-W. Chen, D. Landheer, X. Wu, S. Moisa, G.I. Sproule, T.-S. Chao and T.-Y. Huang, “Characterization of thin ZrO2 films deposited using Zr(Oi-Pr)2(thd)2 and O2” on Si(100)”, J. Vac. Sci. Technol. A, 20, 1145 (2002)  (https://doi.org/10.1116/1.1467358)

10. X. Wu and G. C. Weatherly, “Composition modulations in tensile strained In1-xGaxAsyP1-y films grown on (100) InP substrates”, J. Crystal Growth, 233, 88 (2001) (http://dx.doi.org/10.1016/S0022-0248(01)01574-3)

9. X. Wu and G. C. Weatherly, “The first stage of stress relaxation in tensile strained In1-xGaxAsyP1-y films”, Phil. Mag. A. 81, 1489 (2001) (http://dx.doi.org/10.1080/01418610010005698)

8. D. Landheer, X. Wu, J. Morais, I.J.R. Baumvol, R.P. Pezzi, L. Miotti, W.N. Lennard and J.K. Kim, “Thermal stability and diffusion in gadolinium silicate gate dielectric films”, Appl. Phys. Lett., 79, 2618 (2001) (https://doi.org/10.1063/1.1412284)

7. X. Wu and G. C. Weatherly, “The surface topography of cracks in strained In0.72Ga0.28P films”, Phil. Mag. Lett. 80, 535 (2000) (http://dx.doi.org/10.1080/09500830050110468)

6. X. Wu and G. C. Weatherly, “Cracking phenomena in In0.25Ga0.75As films on InP substrates”, Acta Mater., 47, 3383 (1999) (http://dx.doi.org/10.1016/S1359-6454(99)00211-6)

5. G. Hu, S. Chen, X. Wu, Y Rong and X. Chen, “Deformation and dislocation structure in L12 titanium trialuminide alloys”, J. Mater. Sci. Technol. 10, 435 (1994) (https://www.jmst.org/EN/Y1994/V10/I6/435)

4. X. Wu, Y. Rong, S. Chen and G. Hu, “Dissociation of dislocations in Al67Ti25Mn8 deformed at ambient and high temperatures”, Scripta Metall. et Mater., 28, 1519 (1993) (http://dx.doi.org/10.1016/0956-716X(93)90585-G)

3. X. Chen, X. Wu, S. Chen and G. Hu, “Ductility improvement on Al67Ti25Mn8 intermetallic alloy via hot-working”, Scripta Metall. et Mater., 26, 1775 (1992) (https://doi.org/10.1016/0956-716X(92)90551-O)

2. X. Chen, S. Chen, X. Wu, L. Fang and G. Hu, “The role of hot-working on the microstructure and mechanical properties of the L12-type manganese-modified Al3Ti alloy”, Mater. Sci. and Eng. A,153, 370 (1992) (https://doi.org/10.1016/B978-1-85166-822-9.50059-5)

1. G. Hu, S. Chen, X. Wu and X. Chen, (a). “Plastic deformation and fracture behavior of a Fe-modified Al3Ti-based L12 type alloy” J. Mater. Res., 6, 957 (1991) (https://doi.org/10.1557/JMR.1991.0957); (b). “Reply to remarks of D.H. Zench” J. Mater. Res., 7, 1959 (1992) (https://doi.org/10.1557/JMR.1992.1959)