Publications

  • M.-W. Chu, N. Chanlek, C.-S. Chen, P.-Y. Chen, K.-C. Feng, C.-S. Tu, C. F. Dee, W. S. Chang, Coupled ferroelectric-photoelectrochemical in water reduction over BiFeO3 thin film heterostructure modulated by rare-earth Nd, Sm, and Gd doping, Advanced Functional Materials, pp. e16031 (2025) DOI: https://doi.org/10.1002/adfm.202516031

  • M.-W. Chu, Y.-W. Chen, K.-H. Chew, N. Chanlek, C.-S. Chen, C. F. Dee, W. S. Chang, Synergistic role of facet-engineered surface and ferroelectric polarization in photoelectrochemical water reduction over pure BiFeO3 thin film, ACS Applied Materials & Interfaces, vol. 17, pp. 46339 (2025) DOI: https://doi.org/10.1021/acsami.5c09048

  • K.H. Tan, H.-J. Liu, J.-C. Yang, J. Karel, W.S. Chang, Field-effect modulated water-splitting by photoinduced charge carriers in BiFeO3 film, Journal of the American Ceramic Society, vol. 108, pp. e20182 (2025) DOI: https://doi.org/10.1111/jace.20182

  • T. S. Lee, E. H. Ooi, W. S. Chang, J. J. Foo, Augmentation of piezoelectric thin-film flapping velocimetry turbulence strength detection via machine learning, Physics of Fluids, vol. 37, pp. 015117 (2025) DOI: https://doi.org/10.1063/5.0232723

  • Janak Preet Kaur, S.Y. Chong , W.S. Chang, M.N. Chong, Revolutionary bismuth vanadate nanowires: Enhanced water oxidation with exposed (0 0 1) facets, Journal of Alloys and Compounds, vol. 1014, pp. 178772 (2025) DOI: https://doi.org/https://doi.org/10.1016/j.jallcom.2025.178772

  • A. Farithkhan, N.S.K. Gothaman, R. S. Kumar, K. Alagumalai, W. S. Chang, S. Meenakshi, Microstructural and electron framework engineered 3D NiSeP integrated CuFe composite as trifunctional electrocatalyst in sensing and urea-assisted water splitting applications, Journal of Materials Chemistry A, vol. 42, pp. 199350 (2024) DOI: https://doi.org/10.1039/D4TA01919A

  • N. S. K. Gowthaman, Sekar Shankar, P. Arul, E. Narayanamoorthi, W. S. Chang, Growth of surfactant-free Au-Co bimetallic atom-bom cracker-like microstructure: A highly active morphological dependent hybrid electrocatalyst for dioxygen reduction, Surfaces and Interfaces, vol. 44, pp. 103773 (2024) DOI: https://doi.org/https://doi.org/10.1016/j.surfin.2023.103773

  • N.S.K. Gothaman, P. Arul, A. Ajith, V. Balakumar, J-J Shim, W.S. Chang, Unveiling carcinogenic pollutant levels in environmental water samples through facile fabrication of gold nanoparticles on sulfur-doped graphitic carbon nitride, Journal of Materials Chemistry A, vol. 252, pp. 119121 (2024) DOI: https://doi.org/https://doi.org/10.1016/j.envres.2024.119121

  • A. Farithkhan, N. S. K. Gowthaman, L. Sivakumar, S. Abraham John, W. S. Chang, S. Meenakshi, Unveiling the morphological influence of nitrogen-doped carbonized wood anchored 3D transition metal oxide microarchitectures on catalytic activity: A trifunctional electrocatalyst for sensing and energy conversion, Chemical Engineering Journal, vol. 480, pp. 148187 (2024) DOI: https://doi.org/https://doi.org/10.1016/j.cej.2023.148187

  • A.M. Joshua, E.H. Ooi, W.S. Chang, E.V. Lau, Mechanical and physicochemical characteristics of sub-millimeter and macrobubbles: Insights from AFM analysis, zeta potential measurements and rise velocity, Results in Surfaces and Interfaces, vol. 16, pp. 100262 (2024) DOI: https://doi.org/https://doi.org/10.1016/j.rsurfi.2024.100262

  • C. C. Loo, S. S. Ng, H. W. Yu, Edward Y. Chang, C. F Dee, W. S. Chang, Probing the charge state of threading dislocations in indium nitride through advanced atomic force microscopy, Materials Characterization, vol. 205, pp. 113279 (2023) DOI: https://doi.org/https://doi.org/10.1016/j.matchar.2023.113279

  • A. Farithkhan, N. S. K. Gowthaman, L. Sivakumar, S. Abraham John, W. S. Chang, S. Meenakshi, Different modes of attachment of graphitic carbon nitrides on glassy carbon electrode and their electrocatalytic activity, Microchemical Journal, vol. 191, pp. 108818 (2023) DOI: https://doi.org/https://doi.org/10.1016/j.microc.2023.108818

  • N. S. K. Gowthaman, M. Amalraj, S. Kesavan, K. Rajalakshmi, S. Shankar, B. Sinduja, P. Arul, R. Karthikeyan, C. Loganathan, V. M. Gowri, J. Kappen, A. Ajith, W. S. Chang, Zero-, one- and two-dimensional carbon nanomaterials as low-cost catalysts in optical and electrochemical sensing of biomolecules and environmental pollutants, Microchemical Journal, vol. 194, pp. 109291 (2023) DOI: https://doi.org/https://doi.org/10.1016/j.microc.2023.109291

  • B.-J. Ng, W.-K. Chong, L.K. Putri, X. Y. Kong, J. Low, H. W. Lee, L.-L. Tan, W. S. Chang, S.-P. Chai, Heteroatom P filling activates intrinsic S atomic sites of few-layered ZnIn2S4 via modulation of H adsorption kinetics for sacrificial agent-free photocatalytic hydrogen evolution from pure water and seawater, Journal of Materials Chemistry A, vol. 11, pp. 17079 (2023) DOI: https://doi.org/ https://doi.org/10.1039/D2TA08789H

  • M. K. T. Chee, B.-J. Ng, W.-K. Chong, L.-L. Tan, W.S. Chang, S.-P. Chai, Unravelling the charge dynamics of a molecular photosensitizer of ZnPc on polymeric g-C3N4 for superior photocatalytic hydrogen evolution from seawater splitting, ACS Applied Energy Materials, vol. 6, pp. 7935 (2023) DOI: https://doi.org/https://doi.org/10.1021/acsaem.3c01014

  • V. M. Gowri, A. Ajith, S. Abraham John, W. S. Chang, N.S.K. Gowthaman, Different modes of attachment of graphitic carbon nitrides on glassy carbon electrode and their electrocatalytic activity, Microchemical Journal, vol. 191, pp. 108818 (2023) DOI: https://doi.org/https://doi.org/10.1016/j.microc.2023.108818

  • C.T. Blaise, M.-W. Chu, P.-Y. Chen, J.-W. Chen, C.-S. Tu, W.S. Chang, Ferroelectric polarization controlled surface potential and charge transport across ITO-Nd-doped BiFeO3 polycrystalline ceramic bulk for photoelectrochemical solar water splitting, Ceramics International, vol. 49, pp. 6324 (2023) DOI: https://doi.org/https://doi.org/10.1016/j.ceramint.2022.10.124

  • T.S. Lee, E.H. Ooi, W.S. Chang, J.J. Foo, Realisation of Fractal Grid-Induced Turbulence Strength with PTFV: Effects of Grid Geometry, Flow, Turbulence and Combustion, vol. 111, pp. 1079 (2023)

  • Michell K.T. Chee, B.-J. Ng, W.-K. Chong, L.-L. Tan, W.S. Chang, S.-P. Chai, Unravelling the Charge Dynamics of a Molecular Photosensitizer of ZnPc on Polymeric g-C3N4 for Superior Photocatalytic Hydrogen Evolution from Seawater Splitting, ACS Applied Energy Materials, vol. 6, pp. 7935 (2023) DOI: https://doi.org/https://doi.org/10.1021/acsaem.3c01014

  • T. Wang, S.S. Ng, W.F. Lim, H. J. Quah, M.F.I. Abdul Malik, W.S. Chang, High contrast green luminescence from spin-coated Mo-doped β-Ga2O3 thin films, Materials Chemistry and Physics, vol. 295, pp. 127191 (2023) DOI: https://doi.org/https://doi.org/10.1016/j.matchemphys.2022.127191

  • NSK Gowthaman, D. Mohapatra, P. Arul, W.S. Chang, Ultrasonic-assisted decoration of AuNPs on carbon nano-onions as robust electrochemical scaffold for sensing of carcinogenic hydrazine in industrial effluents, Journal of Industrial and Engineering Chemistry, vol. 117, pp. 227 (2023) DOI: https://doi.org/https://doi.org/10.1016/j.jiec.2022.10.009

  • B.-J. Ng, W.-K. Chong, L.K. Putri, X.Y. Kong, J. Low, H.W. Lee, L.-L. Tan, W.S. Chang, S.-P. Chai, Heteroatom P filling activates intrinsic S atomic sites of few-layered ZnIn 2 S 4 via modulation of H adsorption kinetics for sacrificial agent-free photocatalytic hydrogen, Journal of Materials Chemistry A, vol. 11, pp. 17079 (2023) DOI: https://doi.org/10.1039/D2TA08789H

  • NSK Gowthaman, J.-W. Chen, C.F. Dee, S.-P. Chai, W.S. Chang, Nanostructural dimension and oxygen vacancy synergistically induced photoactivity across high surface area monodispersed AuNPs/ZnO nanorods heterojunction, Journal of Alloys and Compounds, vol. 920, pp. 165836 (2022) DOI: https://doi.org/https://doi.org/10.1016/j.jallcom.2022.165836

  • C.C. Loo, S.S. Ng, W.S. Chang, Electrostatic Contribution to the Photo-Assisted Piezoresponse Force Microscopy by Photo-Induced Surface Charge, Microscopy and Microanalysis, vol. 28, pp. 1599 (2022) DOI: https://doi.org/https://doi.org/10.1017/S143192762200085X

  • Michell K.T. Chee, B.-J. Ng, Y.-H. Chew, W.S. Chang, S.-P. Chai, Photocatalytic hydrogen evolution from artificial seawater splitting over amorphous carbon nitride: optimization and process parameters study via response surface modeling, Material, vol. 15, pp. 4894 (2022) DOI: https://doi.org/https://doi.org/10.3390/ma15144894

  • Nicholas SL Chew, Kiing S Wong, Wei S Chang, Chien W Ooi, Leslie Y Yeo, Ming K Tan, Nanoscale plasma-activated aerosol generation for in situ surface pathogen disinfection, Microsystems & Nanoengineering, vol. 8, pp. 41 (2022) DOI: https://doi.org/https://doi.org/10.1038/s41378-022-00373-3

  • F.S. Lim, S.T. Tan, Y. Zhu, J.-W. Chen, B. Wu, H. Yu, J.-M. Kim, R.T. Ginting, K.S. Lau, C.H. Chia, H. Wu, M.Gu, W.S. Chang, Tunable plasmon-induced charge transport and photon absorption of bimetallic Au–Ag nanoparticles on ZnO photoanode for photoelectrochemical enhancement under visible light, The Journal of Physical Chemistry C, vol. 124, pp. 14105 (2020) DOI: https://doi.org/https://doi.org/10.1021/acs.jpcc.0c03967

  • F.M. Ruiz, J. Anthoniappen, C.-S. Tu, P.-Y. Chen, C.-S. Chen, S.-F. Wang, W.S. Chang, Role of O 2p-Ti 3d orbital hybridization in dielectric and ferroelectric properties of barium zirconate titanate ceramics, Materials Research Bulletin, vol. 129, pp. 110905 (2020) DOI: https://doi.org/https://doi.org/10.1016/j.materresbull.2020.110905

  • Michell K.T. Chee, C.-C. Er, J.-Y. Tang, L.-L. Tan, W.S. Chang, S.-P. Chai, Tuning the electronic band structure of graphitic carbon nitride by breaking intramolecular bonds: a simple and effective approach for enhanced photocatalytic hydrogen production, Applied Surface Science, vol. 529, pp. 146600 (2020) DOI: https://doi.org/https://doi.org/10.1016/j.apsusc.2020.146600

  • H. Wang, K.H. Tan, Y. Zhang, X. Er, W.S. Chang, F. Wan, Q. Zhan, Atomic-Scale Domain Mediation in Nd-Doped BiFeO3 Film, ACS Applied Electronic Materials, vol. 2, pp. 4127 (2020) DOI: https://doi.org/https://doi.org/10.1021/acsaelm.0c00911

  • C.-S. Tu, P.-Y. Chen, W.S. Chang, W.-H Wu, C. Blaise, Y.-S. Jou, Local piezoresponse in BiFeO3–HoFeO3 ceramics across morphotropic phase boundary, Materials Research Bulletin, vol. 121, pp. 110626 (2020) DOI: https://doi.org/https://doi.org/10.1016/j.materresbull.2019.110626

  • C.-S. Tu, P.-Y. Chen, C.-S. Chen, W.S. Chang, R.R. Chien, K.-C. Feng, Y.-S. Jou, V. Hugo Schmidt, Enhancement of local piezoresponse in samarium and manganese co-doped bismuth ferrite ceramics, Journal of Alloys and Compounds, vol. 480, pp. 152383 (2020) DOI: https://doi.org/https://doi.org/10.1016/j.jallcom.2019.152383

  • L.K. Putri, B.-J. Ng, C.-C. Er, W.-J. Ong, W.S. Chang, Abdul Rahman Mohamed, S.-P. Chai, Insights on the impact of doping levels in oxygen-doped gC3N4 and its effects on photocatalytic activity, Applied Surface Science, vol. 504, pp. 144427 (2020) DOI: https://doi.org/https://doi.org/10.1016/j.apsusc.2019.144427

  • K.E. Ng, P.C. Ooi, M.A.S. Mohammad Haniff, B.T. Goh, C.F. Dee, W.S. Chang, M.F. Mohd Razip Wee, M. Ambri Mohamed, Performance of all-solution-processed, durable 2D MoS2 flakes−BaTiO3 nanoparticles in polyvinylidene fluoride matrix nanogenerator devices using N-methyl-2-pyrrolidone polar solvent, Journal of Alloys and Compounds, vol. 820, pp. 153160 (2020) DOI: https://doi.org/https://doi.org/10.1016/j.jallcom.2019.153160

  • L.K. Putri, B.-J. Ng, W.-J. Ong, H. W. Lee, W.S. Chang, Abdul Rahman Mohamed, S.-P. Chai, Energy level tuning of CdSe colloidal quantum dots in ternary 0D-2D-2D CdSe QD/B-rGO/O-gC3N4 as photocatalysts for enhanced hydrogen generation, Applied Catalysis B: Environmental, vol. 265, pp. 118592 (2020) DOI: https://doi.org/https://doi.org/10.1016/j.apcatb.2020.118592

  • J. Anthoniappen, W.S. Chang, F.M. Ruiz, C.-S. Tu, C.T. Blaise, P.-Y. Chen, C.-S. Chen, H. Mana-ay, Electric field and temperature induced local polarization switching and piezoresponse in Bi0. 88Sm0. 12FeO3 ceramics for nanoscale applications, Journal of Alloys and Compounds, vol. 790, pp. 587 (2019) DOI: https://doi.org/https://doi.org/10.1016/j.jallcom.2019.03.185

  • K.-C. Feng, P.-Y. Chen, C.-S. Tu, C.-S. Chen, R.R. Chien, C.-C. Chiang, W.S. Chang, Ag diffusion inhibition and enhanced flexural strength in low temperature co-fired CaO-Al2O3-B2O3-SiO2 glasses, Journal of Alloys and Compounds, vol. 782, pp. 1094 (2019) DOI: https://doi.org/https://doi.org/10.1016/j.jallcom.2018.12.216

  • M. Akhyar Farrukh, K. Mehmood Butt, K.-K. Chong, W.S. Chang, Photoluminescence emission behavior on the reduced band gap of Fe doping in CeO2-SiO2 nanocomposite and photophysical properties, Journal of Saudi Chemical Society, vol. 23, pp. 561 (2019) DOI: https://doi.org/https://doi.org/10.1016/j.jscs.2018.10.002

  • K.S. Lau, S.X. Chin, S.T. Tan, F.S. Lim, W.S. Chang, C.C. Yap, M.H. Jumali, S. Zakaria, S.W. Chook, C.H. Chia, Silver nanowires as flexible transparent electrode: Role of PVP chain length, Journal of Alloys and Compounds, vol. 803, pp. 165 (2019) DOI: https://doi.org/https://doi.org/10.1016/j.jallcom.2019.06.258

  • K.H. Tan, Y.-W. Chen, C. Nguyen Van, H. Wang, J.-W. Chen, F.S. Lim, K.-H. Chew, Q. Zhan, C.-L Wu, S.-P. Chai, Y.-H. Chu, W.S. Chang, Energy Band Gap Modulation in Nd-Doped BiFeO3/SrRuO3 Heteroepitaxy for Visible Light Photoelectrochemical Activity, ACS applied materials & interfaces, vol. 11, pp. 1655 (2018) DOI: https://doi.org/https://doi.org/10.1021/acsami.8b17758

  • K.H. Tan, F.S. Lim, Alfred Z.Y. Toh, X.‐X. Zheng, C.F. Dee, Burhanuddin Yeop Majlis, S.‐P. Chai, W.S. Chang, Tunable spectrum selectivity for multiphoton absorption with enhanced visible light trapping in ZnO nanorods, Small, vol. 14, pp. 1704053 (2018) DOI: https://doi.org/https://doi.org/10.1002/smll.201704053

  • L.K. Putri, B.-J. Ng, W.-J. Ong, H.W. Lee, W.S. Chang, S.-P. Chai, Engineering nanoscale p–n junction via the synergetic dual-doping of p-type boron-doped graphene hybridized with n-type oxygen-doped carbon nitride for enhanced photocatalytic, Journal of Materials Chemistry A, vol. 6, pp. 3181 (2018) DOI: https://doi.org/10.1039/C7TA09723A

  • C.-S. Chen, C.-S. Tu, P.-Y. Chen, W.S. Chang, Y. U Idzerda, Y. Ting, J.-M. Lee, C.W. Yu, Micro-to-nano domain structure and orbital hybridization in rare-earth-doped BiFeO3 across morphotropic phase boundary, Journal of the American Ceramic Society, vol. 101, pp. 883 (2018) DOI: https://doi.org/ https://doi.org/10.1111/jace.15226

  • P.-Y. Chen, C.-S. Chen, C.-S. Tu, Y.-S. Wu, W.S. Chang, S.-H. Chen, The giant strain response mechanism in textured Mn-modified 0.925 (Bi0. 5Na0. 5) TiO3-0.075 BaTiO3 relaxor ferroelectric ceramics, Journal of Alloys and Compounds, vol. 737, pp. 705 (2018) DOI: https://doi.org/https://doi.org/10.1016/j.jallcom.2017.12.173

  • J. Anthoniappen, W.S. Chang, A.K. Soh, C.-S. Tu, P. Vashan, F.S. Lim, Electric field induced nanoscale polarization switching and piezoresponse in Sm and Mn co-doped BiFeO3 multiferroic ceramics by using piezoelectric force microscopy, Acta Materialia, vol. 132, pp. 174 (2017) DOI: https://doi.org/https://doi.org/10.1016/j.actamat.2017.04.034

  • K.H. Tan, H.W. Lee, J.-W. Chen, C.F. Dee, B. Yeop Majlis, A.K. Soh, C.-L. Wu, S.-P. Chai, W.S. Chang, Self-assembled heteroepitaxial AuNPs/SrTiO3: Influence of AuNPs size on SrTiO3 band gap tuning for visible light-driven photocatalyst, The Journal of Physical Chemistry C, vol. 121, pp. 13487 (2017) DOI: https://doi.org/https://doi.org/10.1021/acs.jpcc.7b02410

  • W.S. Chang, C.-S. Tu, P.-Y. Chen, C.-S. Chen, C.-Y. Lin, K.-C. Feng, Y.L. Hsieh. Y.H. Huang, Effects of Fe 3d-O 2p and Bi 6sp-O 2p orbital hybridizations in Nd doped BiFeO3 ceramics, Journal of Alloys and Compounds, vol. 710, pp. 670 (2017) DOI: https://doi.org/https://doi.org/10.1016/j.jallcom.2017.03.329

  • L.K. Putri, B.-J. Ng, W.-J. Ong , H.W. Lee, W.S. Chang, S.-P. Chai, Heteroatom Nitrogen- and Boron-Doping as a Facile Strategy to Improve Photocatalytic Activity of Standalone Reduced Graphene Oxide in Hydrogen Evolution, ACS Applied Material Interfaces, vol. 9, pp. 4558 (2017) DOI: https://doi.org/https://doi.org/10.1021/acsami.6b12060

  • Y. Qin, Z. Hu, B.H. Lim, B. Yang, K.K. Chong, W.S. Chang, P. Zhang, H. Zhang,, Performance improvement of dye-sensitized solar cell by introducing Sm3+/Y3+ co-doped TiO2 film as an efficient blocking layer, Thin Solid Films, vol. 631, pp. 141 (2017) DOI: https://doi.org/https://doi.org/10.1016/j.tsf.2017.03.042

  • F.S. Lim, X. Wang, K.A. Yaacob, A.K. Soh, W.S. Chang, Effect of indirect irradiation on surface morphology of Au film by nanosecond laser, Applied Physics A, vol. 123, pp. 664 (2017) DOI: https://doi.org/https://doi.org/10.1007/s00339-017-1277-7

  • Y.-L. Huang, W.S. Chang, C. N. Van, H.-J. Liu, K.-A. Tsai, J.-W. Chen, H.-H. Kuo, W.-Y. Tzeng, Y.-C. Chen, C.-L. Wu, C.-W. Luo, Y.-J. Hsu, Y.-H. Chu, Tunable photoelectrochemical performance of Au/BiFeO3 heterostructure, Nanoscale, vol. 8, pp. 15795 (2016) DOI: https://doi.org/10.1039/C6NR04997D

  • L.K. Putri, L.-L. Tan, W.-J. Ong, W.S. Chang, S.-P. Chai, Graphene oxide: Exploiting its unique properties toward visible-light driven photocatalysis, Applied Materials Today, vol. 4, pp. 9 (2016) DOI: https://doi.org/10.1016/j.apmt.2016.04.001

  • Y. Qin, Z. Hu, B.H. Lim, W.S. Chang, K.K. Chong, P. Zhang, H. Zhang, Sol-hydrothermal synthesis of TiO2:Sm3+ nanoparticles and their enhanced photovoltaic properties, Journal of Alloys and Compounds, vol. 686, pp. 803 (2016) DOI: https://doi.org/10.1016/j.jallcom.2016.06.1792016

  • N.V. Chien, W.S. Chang, J.-W. Chen, K.-A. Tsa, W.-Y. Tzeng, Y.-C. Lin, H.-H. Kuo, H.-J. Liu, K.-D. Chang, W.-C. Chou, C.-L. We, Y.-C. Chen, C.-W. Luo, Y.-J. Hsu, Y.-H. Chu, Heteroepitaxial approach to explore charge dynamics across Au/BiVO4 interface for photoactivity enhancement, Nano Energy, vol. 15, pp. 625 (2015) DOI: https://doi.org/10.1016/j.nanoen.2015.05.024

  • Y. Zhu, W.S. Chang, R. Yu, R. Liu, T.-C. Wei, J.-H. He, Y.-H. Chu, Q. Zhan, Spontaneous orientation–tuning driven by the strain variation in self-assembled ZnO-SrRuO3 heteroepitaxy, Applied Physics Letters, vol. 107, pp. 191902 (2015) DOI: https://doi.org/10.1063/1.4935422

  • W.S. ChangW, H.-J. Liu, V.T. Tra, J.-W. Chen, T.-C. Wei, W.-Y. Tzeng, Y.M. Zhu, H.-H. Kuo, Y.-H. Hsieh, J.-C. Lin, Q. Zhan, C.-W. Luo, J.-Y. Lin, J.-H. He, C.-L. Wu, Y.-H. Chu, Tuning electronic transport in a self-assembled nanocomposite, ACS Nano, vol. 8, pp. 6242 (2014) DOI: https://doi.org/10.1021/nn501682t

  • M. Shanthi, D.-H. Lin, R. See, W.S. Chang, L.C. Lim, Stress and electric field induced phase transformation phenomena in [011]-poled PZN-PT single crystals if [100]-length cut, Sensors and Actuators A: Physical, vol. 168, pp. 112 (2011) DOI: https://doi.org/https://doi.org/10.1016/j.sna.2011.03.032

  • W.S. Chang, L.C. Lim, P. Yang, C.-S. Ku, H.-Y. Lee, and C.-S. Tu, Nanotwin Domains in High-strain Ferroelectric 89.5%Pb(Zn1/3Nb2/3)O3-10.5%PbTiO3 Single Crystals, Journal of Applied Physics, vol. 108, pp. 106102 (2010) DOI: https://doi.org/10.1063/1.3505638

  • W.S. Chang, L.C. Lim, P. Yang, C.-S. Ku, H.-Y. Lee, and C.-S. Tu, Transformation Stress Induced Metastable Tetragonal Phase in (93-92)%PbZnNb-(7-8)%PT Single Crystals, Journal of Applied Physics, vol. 108, pp. 044105 (2010) DOI: https://doi.org/10.1063/1.3460804

  • W.S. Chang, L.C. Lim, P. Yang, H. Miao, C.-S. Tu, Qiming Chen, A. K. Soh, Tetragonal Micro/nanotwins in 0.91Pb(Zn1/3Nb2/3)O3-0.09PbTiO3 Revealed by Reciprocal Space Mapping, Applied Physics Letters, vol. 94, pp. 202907 (2009) DOI: https://doi.org/10.1063/1.3133874

  • W. S. Chang, L. C. Lim, P. Yang, C.-S. Tu, Rhombohedral-to-Tetragonal Phase Transformation and Thermal Depolarization in Relaxor-based Ferroelectric Single Crystal, Applied Physics Letters, vol. 93, pp. 082903 (2008) DOI: https://doi.org/10.1063/1.2973210

  • W.S. Chang, L.C. Lim, P. Yang, F.-T. Wang, C.-M. Hsieh, C.-S. Tu, Structural Phase Transformations and Nanotwin Domains in 0.93Pb(Zn1/3Nb2/3)O3-0.07PbTiO3, Journal of Physics: Condensed Matter, vol. 20, pp. 395229 (2008) DOI: https://doi.org/10.1088/0953-8984/20/39/395229

  • W.S. Chang, L.C. Lim, P. Yang, C.-M. Hsieh, C.-S. Tu, “Rhombohedral and Tetragonal Nanotwin Domains and Thermally Induced Phase Transformations in PZN-8%PT Single Crystals, Journal of Physics: Condensed Matter, vol. 20, pp. 445218 (2008) DOI: https://doi.org/10.1088/0953-8984/20/44/445218

  • W.S. Chang, L.C. Lim, P. Yang, C.-S. Tu, F.-T. Wang, C.-T. Tseng, Phase Transformations in Poled PZN-4.5%PT Single Crystal Revealed by Combined Property Measurements and High-resolution Diffraction Technique, Journal of Applied Physics, vol. 104, pp. 054102 (2008) DOI: https://doi.org/10.1063/1.2969782

  • W.S. Chang, L.C. Lim, F.T. Wang, C.-S. Tu, P. Yang, Phase Transformations in Unpoled Bulk Pb(Zn1/3Nb2/3)O3-8%PbTiO3 Single Crystals Revealed by the Fracturing Technique, Journal of Applied Physics, vol. 103, pp. 074110 (2008) DOI: https://doi.org/10.1063/1.2903344

  • L.C. Lim, W.S. Chang, K.K. Rajan, M. Shanthi, P. Yang, H.O. Moser, C.-S. Tu, F.-T. Wang, C.-T. Tseng, A.S. Bhalla, R. Guo, Phase Transformations in Annealed PZN-4.5%PT Single Crystals, Journal of Applied Physics, vol. 103, pp. 084122 (2008) DOI: https://doi.org/10.1063/1.2909901

  • C.-S. Tu, C.-M. Hsieh, R. R. Chien, V.H. Schmidt, F.-T. Wang, W.S. Chang, “Nanotwins and Phases in High-strain Pb(Mg1/3Nb2/3)1-xTixO3 Crystal, Journal of Applied Physics, vol. 103, pp. 074117 (2008) DOI: https://doi.org/10.1063/1.2904900

  • W.S. Chang, M. Shanthi, K.K. Rajan, L.C. Lim, F.-T. Wang, C.-T. Tseng, C.-S. Tu, P. Yang, H.O. Moser, Surface Layer in Relaxor Ferroelectric PZN-4.5%PT Single Crystals, Journal of Applied Physics, vol. 101, pp. 124104 (2007) DOI: https://doi.org/10.1063/1.2749199

  • K.K. Rajan, J. Jin, W.S. Chang, L. C. Lim, Transverse-Mode Properties of [011]-Poled Pb(Zn1/3Nb2/3)O3-PbTiO3 Single Crystals: Effects of Compositions, Length Orientation, and Poling Conditions, Japanese Journal of Applied Physics, vol. 46, pp. 681 (2007) DOI: https://doi.org/10.1143/JJAP.46.681

  • K.K. Rajan, M. Shanthi, W.S. Chang, J. Jin, L.C. Lim, Dielectric and Piezoelectric Properties of [001] and [011]-poled Relaxor Ferroelectric PZN-PT and PMN-PT Single Crystals, Sensors and Actuators A: Physical, vol. 133, pp. 110 (2007) DOI: https://doi.org/10.1016/j.sna.2006.03.036