Yu Wang
Recent Publications

Journal Papers

W.F. Rao and Y.U. Wang, “Domain Wall Broadening Mechanism for Domain Size Effect of Enhanced Piezoelectricity in Crystallographically Engineered Ferroelectric Single Crystals ,”Applied Physics Letters , 90 , 041915-1-3, 2007.

W.F. Rao and Y.U. Wang, “Bridging Domain Mechanism for Phase Coexistence in Morphotropic Phase Boundary Ferroelectrics,” Applied Physics Letters , 90 , 182906-1-3, 2007.

Y.U. Wang, “Modeling and Simulation of Self-Assembly of Arbitrary-Shaped Ferro-Colloidal Particles in External Field: A Diffuse Interface Field Approach,” Acta Materialia , in press, 2007.

Y.U. Wang, “ Diffraction Theory of Nanotwin Superlattices with Low Symmetry Phase,” Physical Review B ,” 74 , 104109-1-4, 2006.

Y.U. Wang, “Three Intrinsic Relationships of Lattice Parameters between Intermediate Monoclinic M C and Tetragonal Phases in Ferroelectric Pb[(Mg 1/3 Nb 2/3 ) 1- x Ti x ]O 3 and Pb[(Zn 1/3 Nb 2/3 ) 1- x Ti x ]O 3 near Morphotropic Phase Boundaries,” Physical Review B , 73 , 014113-1-13, 2006.

Y.U. Wang, “Computer Modeling and Simulation of Solid-State Sintering: A Phase Field Approach,” Acta Materialia , 54 , 953-961, 2006.

Y.U. Wang, Y.M. Jin and A.G. Khachaturyan, "Mesoscale Modeling of Mobile Crystal Defects æ Dislocations, Cracks and Surface Roughening: Phase Field Microelasticity Approach," Phil. Mag. (accepted, 2004).

Y.U. Wang, Y.M. Jin and A.G. Khachaturyan, "The Effects of Free Surfaces on Martensite Microstructures: 3D Phase Field Microelasticity Simulation Study," Acta Mater., 52, 1039-1050, 2004.

Y.U. Wang, Y.M. Jin and A.G. Khachaturyan, "Phase Field Microelasticity Modeling of Surface Instability of Heteroepitaxial Thin Films," Acta Mater., 52, 81-92, 2004.

Y.M. Jin, Y.U. Wang, A.G. Khachaturyan, J.F. Li and D. Viehland, "Conformal Miniaturization of Domains with Low Domain Wall Energy: Monoclinic Ferroelectric States near Morphotropic Phase Boundaries," Phys. Rev. Lett., 91, 1976011-1976014, 2003.

Y.M. Jin, Y.U. Wang, A.G. Khachaturyan, J.F. Li and D. Viehland, "Adaptive Ferroelectric States in Systems with Low Domain Wall Energy: Tetragonal Microdomains," J. Appl. Phys., 94, 3629-3640, 2003.

Y.U. Wang, Y.M. Jin and A.G. Khachaturyan, "Phase Field Microelasticity Modeling of Dislocation Dynamics near Free Surface and in Heteroepitaxial Thin Films," Acta Mater., 51, 4209-4223, 2003.

Y.M. Jin, Y.U. Wang and A.G. Khachaturyan, "Three-Dimensional Phase Field Microelasticity Theory of Multi-Void and Multi-Crack System in Elastically Anisotropic Body: Model and Computer Simulations," Phil. Mag., 83, 1587-1611, 2003.

A. Kazaryan, Y. Wang, Y.M. Jin, Y.U. Wang, A.G. Khachaturyan, L. Wang and D.E. Laughlin, "Development of Magnetic Domains in Hard Ferromagnetic Thin Films of Polytwinned Microstructure," J. Appl. Phys., 92, 7408-7414, 2002.

Y.M. Jin, Y.U. Wang, A. Kazaryan, Y. Wang, D.E. Laughlin and A.G. Khachaturyan, "Magnetic Structure and Hysteresis in Hard Magnetic Nanocrystalline Film: Computer Simulation," J. Appl. Phys., 92, 6172-6181, 2002.

Y.U. Wang, Y.M. Jin and A.G. Khachaturyan, "Phase Field Microelasticity Theory and Modeling of Elastically and Structurally Inhomogeneous Solid," J. Appl. Phys., 92, 1351-1360, 2002.

Y.U. Wang, Y.M. Jin and A.G. Khachaturyan, "Three-Dimensional Phase Field Microelasticity Theory of a Complex Elastically Inhomogeneous Solid," Appl. Phys. Lett., 80, 4513-4515, 2002.

Y.U. Wang and A.M. Cuitiño, "Full-Field Measurements of Heterogeneous Deformation Patterns on Polymeric Foams using Digital Image Correlation," Int. J. Solids Structures, 39, 3777-3796, 2002.

Y.U. Wang, Y.M. Jin and A.G. Khachaturyan, "Phase Field Microelasticity Theory and Simulation of Multiple Voids and Cracks in Single Crystals and Polycrystals under Applied Stress," J. Appl. Phys., 91, 6435-6451, 2002.

Conference Proceedings

Y.U. Wang, Y.M. Jin and A.G. Khachaturyan, "Mesoscale Phase Field Modeling of Engineering Materials: Microstructure and Microelasticity," in Thermodynamics, Microstructures and Plasticity (Proc. NATO Advanced Study Institute, Fréjus, France, September 2-13, 2002), ed. by A. Finel, D. Mazière and M. Veron, pp. 47-64, Kluwer Academic Publishers, 2003.

Invited Presentations and Papers

“ Computer-Aided Processing of Advanced Dielectric Composites via Self-Assembly of Arbitrary-Shaped Ferro-Colloidal Particles in External Field”, TMS Annual Meeting, February 26-March 1, 2007, Orlando , Florida

“ Nanotwin Diffraction, Adaptive State, and Engineered Domain Configuration in Strongly Piezoelectric Single Crystals ”, TMS Annual Meeting, February 26-March 1, 2007, Orlando , Florida

“Nanodomained Ferroelectrics Concept for Exceptionally Large, Highly Reversible, Virtually Anhysteretic Electromechanical Responses”, Department of Materials Science and Engineering, University of Florida , February 27, 2007

“ Computational Study of Crystallographic Domain Engineering for Advanced Ferroelectrics”, invited presentation, TMS Annual Meeting, February 26-March 1, 2007, Orlando , Florida

Y.U. Wang, "Incorporating Micromechanics into Phase Field Approach to Microstructure Evolution in Complex Material Systems," invited presentation, TMS Annual Meeting, February 14-17, 2005, San Francisco, Calif.

Submitted Presentations

W.F. Rao and Y.U. Wang, “Microstructures of Coherent Phase Decomposition near Morphotropic Phase Boundary in Lead Zirconate Titanate,” Applied Physics Letters .

W.F. Rao and Y.U. Wang, “Microstructures of Coherent Phase Decomposition near Morphotropic Phase Boundary in Lead Zirconate Titanate,” Applied Physics Letters .

Y.U. Wang, “Phase Field Modeling at Virginia Tech,” Workshop on Phase Field Models for the Prediction of Microstructural Evolution in Aerospace Alloys (sponsored by Air Force Office of Scientific Research), July 25-28, 2005, Ohio State University, Columbus, OH.

Y.U. Wang, “Phase Field Model of Solid-State Sintering,” MRS Fall Meeting, November 28-December 2, 2005, Boston, MA.

Y.U. Wang, “Kinetic Pathways of Temperature- and Field-Dependent Structural Phase Transitions in PMN-PT and PZN-PT near Morphotropic Phase Boundaries,” MRS Fall Meeting, November 28-December 2, 2005, Boston, MA.

Y.U. Wang, “Phase Field Model of Solid-State Sintering,” TMS Annual Meeting, March 13-March 16, 2006, San Antonio , TX .

Y.U. Wang, “Kinetic Pathways of Temperature- and Field-Dependent Structural Phase Transitions in PMN-PT and PZN-PT near Morphotropic Phase Boundaries,” TMS Annual Meeting, March 13-March 16, 2006, San Antonio, TX.

Y.U. Wang, Invited Talk “Computer-Aided Design and Processing of Dielectric Composites: Processing-Mechanism-Microstructure-Property Relationships,” 2006 GE Symposium on Dielectric Materials, April 17-18, 2006, GE Global Research Center , Niskayuna , NY .

Y.U. Wang, “Structural Phase Transitions in PMN-PT and PZN-PT from Nanodomain Evolution Point of View,” US Navy Workshop on Acoustic Transduction Materials and Devices, May 9-11, 2006, State College , PA.

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