List of Journal Publications

1.            Y. Sun, W. Cao and L. E. Cross, "Electrostriction Effect in Glass", Materials Letters, vol. 4 (8,9), pp. 329-336 (Aug. 1986).

2.            Y. Sun, W. Cao, W. Pan, Z. Zhang and L. E. Cross, "Complete Determination of Electrostriction Tensor Components of KMnF3 Single Crystals at Room Temperature", Journal of Materials Science Letters, vol. 7, pp. 327-330 (1988).

3.            N. Setter, C. A. Randall, W. Cao and A. Bhalla, "Preparation Variables for the GdBa2Cu3O6.5+d Superconductive Ceramics", Materials Research Bulletin, vol. 23 (3), pp. 421-428 (1988).

4.            W. Cao, M. Klemkosky, G. H. Ziegenfuss, A. Bhalla and L. N. Mulay, "A Versatile Cryostat and a Mutual Inductance Coil for A.C. Susceptibility Measurements on High-Tc Superconductors", Materials Science and Engineering, vol. 100, pp. L11-L13 (1988).

5.            C. W. Nies, B. E. Smith, J. M. Nikel, W. Cao, T. T. Srinivasan, A. S. Bhalla, R. E. Newnham and L. E. Cross, "Glass-Bonded Composites Containing Superconducting YBa2Cu3O9-y for Levitation and Magnetic Shielding Applications", Materials Research Bulletin, vol. 23 (5), pp. 623-630 (1988).

6.            S. K. Kurtz, L. E. Cross, N. Setter, D. Knight, A. Bhalla, W. Cao and W. N. Lawless, "Ferroelectricity in the ReBa2Cu3O7-d Superconductors", Materials Letters, vol. 6 (10), pp. 317-320 (Jun. 1988).

7.            W. Cao and A. Saxena, "Optical Absorption from Polarons and Bipolarons in a Tetrahedrally Bonded Homopolymer", Physical Review B, vol. 38 (3), pp. 1800-1805 (Jul. 15, 1988).

8.            W. Cao and G. R. Barsch, "Elastic Constants of KMnF3 as Functions of Temperature and Pressure", Physical Review B, vol. 38 (12), pp. 7947-7958 (Oct. 15, 1988).

9.            A. Saxena and W. Cao, "Periodic Superstructures in Tetrahedrally Bonded Homopolymers", Physical Review B, vol. 38 (11), pp. 7664-7673 (Oct. 15, 1988).

10.        W. Cao, G. R. Barsch, W. Jiang and M. A. Breazeale, "Temperature Dependence of Third-Order Elastic Constants of Potassium Manganese Fluoride", Physical Review B, vol. 38 (15), pp. 10244-10255 (Nov. 15, 1988).

11.        W. Cao and G. R. Barsch, "Landau-Ginzburg Model of Interphase Boundaries in Improper Ferroelastic Perovskites of D4h Symmetry", Physical Review B, vol. 41 (7), pp. 4334-4348 (Mar. 1, 1990).

12.        W. Cao, J. A. Krumhansl and R. J. Gooding, "Defect-Induced Heterogeneous Transformations and Thermal Growth in Athermal Martensite", Physical Review B, vol. 41 (16), pp. 11319-11327 (Jun. 1, 1990).

13.        S. Li, W. Cao, A. S. Bhalla, U. Kumar and L. E. Cross, "Electromechanical Nonlinearity of Ferroelectric Ceramics and 90ْ Domain Wall Motions", 1990 IEEE 7th International Symposium on Applications of Ferroelectrics (ISAF 90), Institute of Electrical and Electronics Engineers, pp.317-320 (Jun. 6-8, 1990).

14.        W. Cao and J. A. Krumhansl, "Continuum Theory of 4mm-2mm Proper Ferroelastic Transformation under Inhomogeneous Stress", Physical Review B, vol. 42 (7), pp. 4334-4340 (Sep.1, 1990).

15.        W. Cao, G. R. Barsch and J. A. Krumhansl, "Quasi-One-Dimensional Solutions for Domain Walls and Their Constraints in Improper Ferroelastics", Physical Review B, vol. 42 (10), pp. 6396-6401 (Oct. 1, 1990).

16.        S. Li, W. Cao and L. E. Cross, "Stress and Electric Displacement Distribution near Griffith's Type III Crack Tips in Piezoceramics", Materials Letters, vol. 10 (6), pp. 219-222 (Dec. 1990).

17.        W. Cao and L. E. Cross, "The Twin Structures and the Piezoelectric Effect in Ferroelectric Ceramics", Ferroelectrics, vol. 120, pp. 55-56 (1991).

18.        S. Li, W. Cao and L. E. Cross, "The Extrinsic Nature of Nonlinear Behavior Observed in Lead Zirconate Titanate Ferroelectric Ceramic", Journal of Applied Physics, vol. 69 (10), pp. 7219-7224 (May 15, 1991).

19.        W. Cao and L. E. Cross, "Theory of Tetragonal Twin Structures in Ferroelectric Perovskites with a First-Order Phase Transition", Physical Review B, vol. 44 (1), pp. 5-12 (Jul. 1, 1991).

20.        Q. Jiang, W. Cao and L. E. Cross, "Electric Fatigue Initiated by Surface Contamination in High Polarization Ceramics", Proceedings of 1992 IEEE 7th International Symposium on Applications of Ferroelectrics (ISAF 92), Greensburg, SC, (1992).

21.        Q. Zhang, W. Cao, H. Wang and L. E. Cross, "Strain Profile and Piezoelectric Performance of Piezocomposites with 2-2 and 1-3 Connectivities" Proceedings of 1992 IEEE 7th International Symposium on Applications of Ferroelectrics (ISAF 92), Greensburg, SC, pp.252-254 (Aug. 1992).

22.        W. Cao and L. E. Cross, "The Ratio of Rhombohedral and Tetragonal Phases on the Morphotropic Phase Boundary in Lead Zirconate Titanate", Japanese Journal of Applied Physics, vol. 31 (Part 1, 5A), pp. 1399-1402 (May 1992).

23.        W. Cao, Q. Zhang and L. Eric Cross, "Theoretical Study on the Static Performance of Piezoelectric Ceramic-Polymer Composites with 1-3 Connectivity", Journal of Applied Physics, vol. 72 (12), pp. 5814-5821 (Dec. 15, 1992).

24.        S. Li, W. Cao, R. E. Newnham and L. E. Cross, "Electromechanical Nonlinearity of Ferroelectric Ceramics and Related Non-180˚ Domain Wall Motions", Ferroelectrics, vol. 139, pp. 25-49 (1993).

25.        E. C. Subbarao, V. Srikanth, W. Cao and L. E. Cross, "Domain Switching and Microcracking during Poling of Lead Zirconate Titanate Ceramics", Ferroelectrics, vol. 145, pp. 271-281 (1993).

26.        C. A. Randall, G. A. Rossetti, Jr., and W. Cao "Spatial Variations of Polarization in Ferroelectrics and Related Materials", Ferroelectrics, vol. 150, pp. 163-169 (1993).

27.        W. Cao and C. Randall, "Theory on the Fringe Patterns in the Study of Ferroelectric Domain Walls Using Electron Holography", Solid State Communications, vol. 86 (7), pp. 435-439 (May 1993).

28.        W. Cao, "Nonuniform Surface Deformation of Piezoelectric Composites and the Effect of Surface Plates", Adaptive Structures and Material Systems, vol. 35, pp. 197-201 (1993).

29.        C. A. Randall, M. G. Matsko, W. Cao and A. S. Bhalla, "A Transmission Electron Microscopy Investigation of the R3m→ R3c Phase Transition in Pb (Zr,Ti)O3 Ceramics", Solid State Communications, vol. 85 (3), pp. 193-195 (Jan. 1993).

30.        Q. Zhang, W. Cao, H. Wang and L. E. Cross, "Characterization of the Performance of 1-3 Type Piezocomposites for Low-Frequency Applications", Journal of Applied Physics, vol. 73 (3), pp. 1403-1410 (Feb. 1, 1993).

31.        W. Cao, Q. Zhang and L. Eric Cross, "Theoretical Study on the Static Performance of Piezoelectric Ceramic-Polymer Composites with 2-2 Connectivity", IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, vol. 40 (2), pp. 103-109 (Mar. 1993).

32.        W. Cao and L. E. Cross, "Theoretical Model for the Morphotropic Phase Boundary in Lead Zirconate-Lead Titanate Solid Solution", Physical Review B, vol. 47 (9), pp. 4825-4830 (Mar. 1, 1993).

33.        W. Cao and L. E. Cross, "Distribution Functions of Coexisting Phases in a Complete Solid Solution System", Journal of Applied Physics, vol. 73 (7), pp. 3250-3255 (Apr. 1, 1993).

34.        Q. Jiang, W. Cao and L. E. Cross, "Effects of Surface Layers on the Physical Properties of Lanthanum Doped Lead Zirconate Titanate Ceramic", Ferroelectrics, vol. 160, pp. 293-304 (1994).

35.        G. A. Rossetti, Jr, W. Cao and C. A. Randall, "Microstructural Characteristics and Diffuse Phase Transition Behavior of Lanthanum-Modified Lead Titanate", Ferroelectrics, vol. 158, pp. 343-350 (1994).

36.        W. Cao and L. E. Cross, "Nonlinear and Nonlocal Continuum Theory on Domain Walls in Ferroelectrics", Ferroelectrics, vol. 157, pp. 19-26 (1994).

37.        Q. Jiang, W. Cao and L. E. Cross, "Electric Fatigue in Lead Zirconate Titanate Ceramics", Journal of American Ceramic Society, vol. 77(1), pp. 211-215 (1994).

38.        W. Cao, "Polarization Gradient Coefficients and the Dispersion Surface of the Soft Mode in Perovskite Ferroelectrics", Journal of the Physical Society of Japan, vol. 63 (3), pp. 1156-1161 (Mar. 1994).

39.        Q. Zhang, W. Cao, J. Zhao, and L. E. Cross, "Piezoelectric Performance of Piezoceramic-Polymer Composites with 2-2 Connectivity -- A Combined Theoretical and Experimental Study", IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, vol. 41 (4), pp. 556-564 (Jul. 1994).

40.        W. Cao, "Elastic and Electric Constraints in the Formation of Ferroelectric Domains", Ferroelectrics, vol. 172, pp. 31-37 (1995).

41.        W. Cao, "Defect Stabilized Periodic Amplitude Modulations in Ferroelectrics", Phase Transitions, vol. 55, pp 69-78 (1995).

42.        J. Zhao, Q. M. Zhang and W. Cao, "Effects of Face Plates and Edge Strip on Hydrostatic Piezoelectric Response of 1-3 Composites", Ferroelectrics, vol. 173, pp. 243-256 (1995).

43.        W. Cao, Q. Zhang, J. Zhao and L. E. Cross, "Effects of Face Plates on Surface Displacement Profile in 2-2 Piezoelectric Composites", IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, vol. 42 (1), pp.37-41 (Jan. 1995).

44.        Q. Zhang, X. Geng, Y. Shui, W. Cao and L. E. Cross, “Ultrasonic Piezoceramic-Polymer Composite Transducer-Dynamic Behavior and Effects of Heterogeneous Structure”, IEEE Applications of Ferroelectrics, ISAF 94, Proceedings of 9th IEEE International Symposium, pp. 329-332 (Jan. 1995).

45.        W. Cao and W. Qi "Plane Wave Propagation in Finite 2-2 Composites", Journal of Applied Physics, vol. 78 (7), pp. 4627-4632 (Oct. 1, 1995).

46.        W. Cao and W. Qi, "Multisource Excitations in a Stratified Biphase Structure", Journal of Applied Physics, vol. 78 (7), pp. 4640-4646 (Oct. 1, 1995).

47.        C. A. Randall, N. Kim, W. Cao and T. R. Shrout "Domain-Grain Size Relations in Morphotropic Phase Pb(Zr,Ti))3", Proceedings of the 7th US-Japan Seminar on Dielectric and Piezoelectric Ceramics, Japan, (Nov. 1995).

48.        M. L. Mulvihill, K. Uchino, Z. Li, and W. Cao "In-Situ Observation of the Domain Configurations During the Phase Transitions in Barium Titanate", Philosophical Magazine B, vol. 74 (1), pp. 25-36 (1996).

49.        W. Cao "Simulation of the Dynamic Behavior of 1-3 Piezocomposites Using Finite Element Method", Ceramic Engineering and Science Proceedings, vol. 17, pp. 83-90 (1996).

50.        W. Qi and W. Cao, “Finite Element Study on Random Design of 2-2 Composite Transducers”, IEEE Proceedings, Tenth International Symposium on Application of Ferroelectrics, IEEE 96CH35948, pp.1011-1014 (1996).

51.        M. Draheim and W. Cao, “Finite Element Analysis On Impedance Matching Layer Thickness” IEEE Proceedings, Tenth International Symposium on Application of Ferroelectrics, IEEE 96CH35948, pp.1015-1017 (1996).

52.        J. F. Tressler, W. Cao, K. Uchino, and R. E. Newnham, "Ceramic-Metal Composite Transducers for Underwater Acoustic Applications", Proceedings of 1996 International Symposium on the Applications of Ferroelectrics (ISAF96), IEEE 96CH35948, pp.561-564  (1996).

53.        W. S. Hakenburger, N. Kim, C. A. Randall, W. Cao, and T. R. Shrout, “Processing and Structure Property Relationships for Fine Grain PZT Ceramics”, IEEE Proceedings, Tenth International Symposium on Application of Ferroelectrics, IEEE 96CH35948, pp. 903-906 (1996).

54.        W. Cao, “Simulation of the Dynamic Behavior of 1-3 Piezocomposites Using Finite Element Method”, Ceramic Engineering and Science Proceedings, vol. 17, pp. 83-90 (1996).

55.        W. Qi and W. Cao, "Finite Element Analysis and Experimental Studies on the Thickness Resonance of Piezocomposite Transducers", Ultrasonic Imaging, vol. 18 (1), pp. 1-9 (Jan. 1996).

56.        W. Cao and C. A. Randall, “Grain Size and Domain Size Relations in Bulk Ceramic Ferroelectric Materials", Journal of Physical and Chemical Solids, vol. 57 (10), pp. 1499-1505 (Oct. 1996).

57.        W. Cao, "Transducer Design Simulation Using Finite Element Method", Proceedings of SPIE Imaging '97, Ultrasonic Transducer Engineering, pp. 103-110, (1997).

58.        W. Qi and W. Cao, "Finite Element Study on Random Design of 2-2 Composite Transducer", Proceedings of SPIE Imaging '97, Ultrasonic Transducer Engineering, pp. 176-180, (1997).

59.        M. R. Draheim and W. Cao, "Finite Element and Experimental Study of Impedance Matching Layer Optimization", Proceedings of SPIE Imaging '97, Ultrasonic Transducer Engineering, pp. 135-139, (1997).

60.        W. Cao, "Computer Simulation of Piezocomposite Transducers", Proceedings of the 8th US-Japan Seminar on Dielectric and Piezoelectric Ceramics, pp. 329-332 (1997).

61.        J. F. Tressler, W. J. Hughes, W. Cao, K. Uchino and R. E. Newnham, "Caped Ceramic Underwater Projector", Proceedings of the 8th US-Japan Seminar on Dielectric and Piezoelectric Ceramics", pp. 340-343 (1997).

62.        M. Wan, B. Jiang and W. Cao, "Direct Measurement of Ultrasonic Velocity of Thin Elastic Layers", Journal of Acoustic Society of America, vol. 101 (1), pp. 626-628 (Jan. 1997).

63.        M. L. Malvihill, L. E. Cross, W. Cao and K. Uchino, "Domain-Related Phase Transition-like Behavior in Lead Zinc Niobate Relaxor Ferroelectric Single Crystals", Journal of American Ceramic Society, vol. 80 (6), pp.1462-1468 (Jun. 1997).

64.        W. Qi and W. Cao "Finite Element Analysis of Periodic and Random 2-2 Piezocomposite Transducers with Finite Dimensions", IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, vol. 44 (5), pp.1168-1171 (Sep. 1997).

65.        S. Zhu and W. Cao, "Direct Observation of Ferroelectric Domains in LiTaO3 Using Environmental Scanning Electron Microscopy", Physical Review Letters, vol. 79 (13), pp. 2558-2561 (Sep. 29, 1997).

66.        M. Qian, M. Wan and W. Cao, "Ultrasonic Characterization of Ultra-Thin Elastic Layer Using Retrieve Function", Chinese Journal of Acoustics, vol. 17 (4), pp.329-340 (1998).

67.        W. Cao, "Elastic Property Characterization in Thin Samples of Sub-Wavelength in Thickness", Ferroelectrics, vol. 206/207, pp. 355-363 (1998).

68.        W. Cao, "Virtual Design of Medical Transducers", Proceedings of SPIE Imaging '98, vol. 3341, pp. 56-63 (1998).

69.        S. Zhu, B. Jiang and W. Cao, "Characterization of Piezoelectric Materials Using Ultrasonic and Resonant Techniques", Proceedings of SPIE Imaging '98, vol. 3341, pp.154-162 (1998).

70.        W. Qi and W. Cao, "Finite Element and Experimental Study of Composite and 1-D Array Transducers", Proceedings of SPIE Imaging '98, vol. 3341, pp. 119-130 (1998).

71.        R. Zhang, M. Wan and W. Cao, "A Guided Acoustic Wave Method for Characterization of Medical Ultrasonic Transducers", Proceedings of the 20th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Hong Kong, pp. 1816-1817, (1998).

72.        C. A. Randall, N. Kim, J. P. Kucera, W. Cao and T. R. Shrout, "Intrinsic and Extrinsic Effects in Fine-Grained Morphotropic-Phase-Boundary Lead Zirconate Titanate Ceramics", Journal of American Ceramic Society, vol. 81 (3), pp. 677-688 (Mar. 1998).

73.        W. Cao, S. Zhu and B. Jiang, "Analysis of Shear Modes in a Piezoelectric Vibrator", Journal of Applied Physics, vol. 83 (8), pp. 4415-4420 (Apr. 15, 1998).

74.        J. F. Tressler, W. Cao, K. Uchino and R. E. Newnham, "Finite Element Analysis of the Cymbal-Type Flextensional Transducer", IEEE Transactions on Ultrasonics, Ferroeletrics and Frequency Control, vol. 45 (5), pp. 1363-1369 (Sep. 1998).

75.        W. Cao and S. Zhu, "Observation of Ferroelectric Domains in LiTaO3 ", Ferroelectrics, vol. 226, pp. 27-35 (1999).

76.        D. M. Hatch and W. Cao, “Determination of Domain and Domain Wall Formation at Ferroic Transitions”, Ferroelectric, vol. 222, pp.1-10 (1999).

77.        S. Zhu and W. Cao, “Imaging of Ferroelectric Domains in LiTaO3 by Environmental Scanning Electron Microscopy”, Ferroelectrics, vol. 222, pp.257-262 (1999).

78.        H. Wang, T. Ritter, W. Cao and K. Shung, "Passive Materials for High Frequency Ultrasound Transducers", Proceedings of SPIE Medical Imaging 1999, vol. 3664, pp. 35- 42 (1999).

79.        J. Yin, B. Jiang and W. Cao, "Determination of Elastic, Piezoelectric and Dielectric Properties of Pb(Zn1/3Nb2/3)O3-PbTiO3 Single Crystals", Proceedings of SPIE Medical Imaging 1999, vol. 3664, pp. 239-246 (1999).

80.        W. Cao and J. Erhart, " Effective Material Properties of Multi-domain Ferroelectric Crystals", Proceedings of the 9th US-Japan Seminar on Dielectric and Piezoelectric Ceramics", pp. 95-98 (1999).

81.        W. Cao, "Characterization of Elastic, Dielectric and Piezoelectric Properties of Piezoelectric Materials", Proceedings of the 1999 Fall Conference of the Korean Institute of Electrical and Electronic Material Engineering, pp. 13-22 (1999).

82.        E. Semouchkina, W. Cao and R. Mittra, “Source Excitation Methods for the Finite-Difference Time-Domain Modeling of Circuits and Devices”, Microwave and Optical Technology Letters, vol. 21 (2), pp. 93-100 (Apr. 20, 1999).

83.        H. Wang, W. Jiang and W. Cao, “ Characterization of Lead Zirconate Titanate Piezoceramic Using High Frequency Ultrasonic Spectroscopy”, Journal of Applied Physics, vol. 85 (12), pp. 8083-8091 (Jun. 15, 1999).

84.        S. Zhu and W. Cao, “Imaging of 180 Ferroelectric Domains in LiTaO3 by Means of Scanning Electron Microscopy”, Physica Status Solidi A-Applied Research, vol. 173(2), pp. 495-502 (Jun. 21, 1999).

85.        W. Cao, H. Cudney and R. Waser, "Smart Materials and Structures", Proceedings of National Academy of Sciences, vol. 96, pp. 8330-8331 (Jul. 1999).

86.        J. Erhart and W. Cao, "Effective Material Properties in Twinned Ferroelectric Crystals", Journal of Applied Physics, vol. 86 (2), pp. 1073- 1081 (Jul. 15, 1999).

87.        W. Cao, S. Tavener and S. Xie, “Simulation of Boundary Condition Influence in a Second-Order Ferroelectric Phase Transition”, Journal of Applied Physics, vol. 86 (10), pp. 5739-5746 (Nov. 15, 1999).

88.        M. Shen and W. Cao, “Acoustic Band-Gap Engineering Using Finite-Size Layered Structures of Multiple Periodicity”, Applied Physics Letters, vol. 75 (23), pp. 3713-3715(Dec. 6, 1999).

89.        J. Yin, B. Jiang and W. Cao, “Elastic, Piezoelectric and Dielectric Properties of 0.955Pb(Zn1/3Nb2/3) O3-0.045PbTiO3 Single Crystal with Designed Multi-Domains”, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, vol. 47 (1), pp. 285-291 (Jan. 2000).

90.         R. Zhang, M. Wan, X. Gong and W. Cao, “Low Frequency Multi-Mode Ultrasonic Lamb Wave Method for Characterization of the Ultra-Thin Elastic Layer”, ACTA Metrologica Sinica, vol. 21 (1), pp. 59-67 (Jan. 2000).

91.        J. H. Yoo, J. I. Hong and W. Cao, “Piezoelectric Ceramic Bimorph Coupled to Thin Metal Plate as Cooling Fan for Electronic Devices”, Sensors and Actuators, vol. 79 (1), pp. 8-12 (Jan. 25, 2000)

92.        R. Zhang, M. Wan, G. Li and W. Cao, “Low Frequency Ultrasonic Rayleigh-Like Method for Characterization of the Ultra-Thin Coating Layer”, Materials Science and Engineering, vol. 18 (1), pp. 19-24 (Mar. 2000).

93.        E. Semouchkina, W. Cao and R. Mittra, “Modeling of Microwave Ring Resonators Using the Finite-Difference Time-Domain Method (FDTD)”, Microwave and Optical Technology Letters, vol. 24 (6), pp. 392-396 (Mar. 20, 2000).

94.        R. Zhang, M. Wan and W. Cao, “In Situ Quantitative Non-Destructive Evaluation of the Welding Crack Using Ultrasonic Time of Flight of Diffraction-Echo Method”, Chinese Journal of Mechanical Engineering, vol. 36 (5), pp. 54-57 (May 2000).

95.        J. Yin, and W. Cao, “Domain Configurations in Domain Engineered 0.955Pb(Zn1/3Nb2/3)O3-0.045PbTiO3 Single Crystals”, Journal of Applied Physics, vol. 87 (10), pp. 7438-7441 (May 15, 2000).

96.        M. Shen and W. Cao, “Acoustic Bandgap Formation in a Periodic Structure with Multilayer Unit Cells”, Journal of Physics D: Applied Physics, vol. 33 (10), pp.1150-1154 (May 21, 2000).

97.         E. Semouchkina, W. Cao and M. Lanagan, “High Frequency Permittivity Determination by Spectra Simulation and Measurement of Microstrip Ring Resonators”, Electronics Letters, vol. 36 (11), pp. 956-958 (May 25, 2000).

98.        R. Zhang, M. Wan, G. Li and W. Cao, “Low Frequency Method for Characterizing Ultra-Thin Bi-Layer Composite”, Journal of Xi’an Jiaotong University, vol. 34 (6), pp. 23-26 (Jun. 2000).

99.        W. Qi, and W. Cao, “Finite Element Study on 1-D Array Transducer Design”,

100.                                                                                                                                        IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, vol. 47 (4), pp. 949-955 (Jul. 2000).

101.     R. Zhang, M. Wan, G. Li and W. Cao, “Guided Wave in Ultra-Thin Layered Composite Structure with Weak and Slip Interface in Different Depth”, ACTA Physica Sinica, vol.  49 (7), pp.1297-1302 (Jul. 2000).

102.     T. Ritter, K. K. Shung, W. Cao and T. R. Shrout, “Electromechanical Properties of Thin Strip Piezoelectric Vibrators at High Frequency”, Journal of Applied Physics, vol. 88 (1), pp. 394-397 (Jul. 1, 2000).

103.      R. Hatt and W. Cao, “Landau-Ginzburg Model for Antiferroelectric Phase Transition Based on Microscopic Symmetry”, Physical Review B, vol. 62 (2), pp. 818-823 (Jul. 1, 2000).

104.    W. Jiang and W. Cao, “ Intrinsic and Coupling-Induced Elastic Nonlinearity of Lanthanum-Doped Lead Magnesium Niobate-Lead Titanate Electrostrictive Ceramic”, Applied Physics Letters, vol. 77 (9), pp. 1387-1389 (Aug. 28, 2000).

105.     R. Zhang, M. Wan and W. Cao, “ Low Frequency Ultrasonic Multi-Guided Wave Method for Estimating of the Interface Bonding Property of the Ultra-Thin Coating/Substrate Composite”, Chinese Journal of Scientific Instrument, vol. 21 (5), pp. 485-489 (Oct. 2000).

106.     W. Jiang and W. Cao, “ Nonlinear Properties of Lead Zirconate-Titanate Piezoceramics”, Journal of Applied Physics, vol. 88 (11), pp. 6684-6689 (Dec. 1, 2000).

107.     J. Yin and W. Cao, “Observation and Analysis of Domain Configurations in Domain Engineered PZN-PT Single Crystals”, Ferroelectrics, vol. 251 (1-4), pp.93-100 (2001).

108.     R. A. Hatt and W. Cao, “Microscopic Origin of Two-Sublattice Model for Antiferroelectric State”, Ferroelectrics, vol. 252, pp.129-136 (2001).

109.     R. Ahluwalia and W. Cao,  “Effect of Defect Induced Nucleation and Growth on Switching Behavior in Ferroelectrics”, Ferroelectrics, vol. 251, pp.191-198 (2001).

110.     J. Erhart, W. Cao and J. Fousek, “ The Structure of S-Walls in  Ferroelectrics”, Ferroelectrics, vol. 252, pp.137-144 (2001).

111.     R. Ahluwalia and W. Cao, “Computer Simulations of Domain Pattern Formation in Ferroelectrics”, AIP Conference Proceedings Series, © 2001 American Institute of Physics, Proceedings of the 2001 Workshop on Fundamental Physics of Ferroelectrics, Williamsburg, Va, vol. 582, pp.185-190 (2001).

112.     E. Semouchkina, Cao, W., Mittra, R., Syemuchkin, G., Popenko, N. and Ivanchenko, I., "Numerical Modeling and Experimental Study of a Novel Leaky Wave Antenna”, IEEE AP-S Digest Proceeding International Symposium, Boston, 2001, vol. 4, pp. 234-237 (2001).

113.     E. Semouchkina, W. Cao and R. Mittra, “FDTD Study of Resonance Processes in Microstrip Ring Resonators with Different Excitation Geometries”, IEEE MTT-S 2001 International Microwave Symposium Digest, vol. 1-3, 0-7803-6540-2/01, (2001).

114.     R. Ahluwalia and W. Cao, “Influence of Dipolar Defects on Switching Behavior in

         Ferroelectrics”, Physical Review B, vol. 63 (1), pp. 012103 (1-4) (Jan. 1, 2001).

115.    H. Wang, T. Ritter, W. Cao and K, K. Shung, “High Frequency Properties of Passive Materials for Ultrasonic Transducers”, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, vol. 48 (1), pp. 78-84 (Jan. 2001).

116.    R. Zhang, M. Wan, G. Li and W. Cao, “Low Frequency Ultrasonic Multi-Mode Lamb Wave Method for Characterizing the Ultra-Thin Transversely Isotropic Laminate Composite: Theory and Experiment”, ACTA Acustica, vol. 26 (1), pp. 79-84, (Jan. 2001).

117.    J. Erhart and W. Cao, “Effective Symmetry and Physical Properties of Twinned Perovskite Ferroelectric Single Crystals”, Journal of Materials Research, vol. 16 (2), pp. 570-577 (Feb. 2001).

118.    R. Zhang, M. Wan, X. Chen and W. Cao, “Low Frequency Ultrasonic Multi-Mode Lamb Wave Method for Characterizing the Ultra-Thin Fiber Reinforced Composite”, ACTA Materiae Compositae Sinica, vol. 18 (1), pp. 20-24 (Feb. 2001).

119.    E. Semouchkina, W. Cao, R. Mittra and W.Yu, “ Efficient Determination of Resource Frequencies in Resonant Structures Using the FDTD Method”, Microwave and Optical Technology Letters, vol. 28 (4), pp. 244-247 (Feb. 20, 2001).

120.    R.Zhang, M. Wan and W. Cao, “The Guided Wave Characterization Method for the Interfacial Mechanical Property of the Layered Bonding Composite”, Chinese Journal of Applied Mechanics, vol. 18 (1), pp. 75-82 (Mar. 2001)

121.    E. Semouchkina, W. Cao, R. Mittra and W. H. Yu, “Analysis of Resonance Processes in Microstrip Ring Resonators by the FDTD Method”, Microwave and Optical Technology Letters, vol. 28 (5), pp. 312-321 (Mar. 5, 2001).

122.    E. Semouchkina, W. Cao, M. Lanagan, R. Mittra and W.Yu, “Combining FDTD Simulations with Measurements of Microstrip Ring Resonators for Characterization of Low-and High-K Dielectrics at Microwaves”, Microwave and Optical Technology Letters, vol. 29 (1), pp.21-24 (Apr. 5, 2001).

123.    E. Semouchkina, W. Cao, R. Mittra and M. Lanagan, “Numerical Modeling and Experimental Investigation of Resonance Properties of Microwave Capacitors”, Microwave and Optical Technology Letters, vol. 29 (1), pp.54-60 (Apr. 5, 2001).

124.    W. Jiang, G. Du and W. Cao, “Shear Elastic Nonlinearity of Electro-Elastic Crystals”, Progress in Natural Science, vol. 11, Suppl. S62-S66 (May 2001).

125.    W. Jiang and W. Cao, “Ultrasonic Nonlinearity of Regular and Relaxor Ferroelectric Ceramics”, Progress in Natural Science, vol. 11, Suppl. S67-S70 (May 2001)

126.    E. Semouchkina, W. Cao and R. Mittra, “FDTD Study of Resonance Processes in Microstrip Ring Resonators with Different Excitation Geometries”, IEEE MTT-S 2001 International Microwave Symposium Digest, Phoenix, Arizona, vol. 3, pp.2055-2058 (May 20-25, 2001).

127.    R. Zhang, M. Wan and W. Cao, “Low Frequency Ultrasonic Multi-Mode Lamb-Like Wave Method for Characterizing the Ultra-Thin Bonding Composite”, Journal of Applied Sciences, vol. 19 (2), pp. 107-112 (Jun. 2001).

128.    R. Ahluwalia and W. Cao, “Size Dependence of Domain Patterns in a Constrained Ferroelectric System”, Journal of Applied Physics, vol. 89 (12), pp. 8105-8109 (Jun. 15, 2001).

129.    H. Wang and W. Cao, “ Improved Ultrasonic Spectroscopy Methods for Characterization of Dispersive Materials”, IEEE Transactions on Ultrasonics, Ferroeletrics and Frequency Control, vol. 48 (4), pp. 1060-1065 (Jul. 2001).

130.    E. Semouchkina, W. Cao, R. Mittra, G. Semouchkin, N. Popenko and I. Ivanchenko, “Numerical Modeling and Experimental Study of a Novel Leaky Wave Antenna”, IEEE AP-S Digest Proceedings at International Symposium, Boston, vol. 4, pp. 234-237 (Jul. 2001).

131.  E. Semouchkina, W. Cao, R. Mittra and M. Lanagan, “Effect of Feeding Symmetry of Resonaces in Patch and Capacitor Structures”, Proceedings of IEEE Antennas & Propagation Society International Symposium, vol. 1, pp. 486-489 (Jul. 2001).

132.    W. Cao, A. Saxena and D. Hatch, “Antiphase Structures of an Improper Ferroelastic Phase Transitions Driven by an  Zone Boundary Phonon in RAg1-xInx ”, Physical Review B, vol. 64 (2), 024106 (1-10) (Jul. 1, 2001).

133.    R. Zhang, M. Wan and W. Cao, “Characterization of the Ultra-Thin Elastic Layer by Ultrasonic Longitudinal Reflection Wave in the Frequency Domain”, Chinese Journal of Scientific Instrument, vol. 22 (4), pp. 376-379 (Aug. 2001)

134.    R. Zhang, M. Wan, G. Li and W. Cao, “Low Frequency Ultrasonic Multi-Mode Lamb Wave Method for Characterizing the Ultra-Thin Transversely Isotropic Laminate Composite: Theory and Experiment”, Chinese Journal of Acoustic, vol. 20 (4), 355-364 (Oct. 2001).

135.    R. Zhang, M. Wan and W. Cao, “Parameter Measurement of Thin Elastic Layers Using Low-Frequency Multi-Modes Ultrasonic Lamb Waves”, IEEE Transaction on Instrumentation and Measurement, vol. 50 (5), pp. 1397-1403 (Oct. 2001).

136.    R. Zhang, B. Jiang and W. Cao, “Elastic, Piezoelectric and Dielectric Properties of Multi-domain 0.67Pb(Mg1/3Nb2/3)O3-0.33PbTiO3 Single Crystal”, Journal of Applied Physics, vol. 90 (7), pp.3471-3475 (Oct. 1, 2001).

137.    I. Ivanchenko, D. Ivancheko, A. Koroljev, N. Popenko, E. Semouchkina, W. Cao, R. Mittra and G. Semouchkina, “Study of Radiation Characteristics of a Novel Leaky Wave Antenna”, Proceedings of the 16th International Conference on Applied Electromagnetics and Communications, Dubrovnik, Croatia, pp.335-338 (Oct. 1-3, 2001).

138.    M. Shen, S. Ge and W. Cao, “Dielectric Enhancement and Maxwell-Wagner Effects in Polycrystalline Ferroelectric Multilayered Thin Films”, Journal of Physics D: Applied Physics, vol. 34 (19), pp. 2935-2938 (Oct. 7, 2001).

139.    S. Ge, M. Shen, Z. Ning and W. Cao, “Dielectric Enhancement in Polycrystalline BaTiO3/Ba0.6Sr0.4TiO3 Multilayered Thin Films on Pt/Ti/SiO2/Si Substrates”, Journal of Materials Science Letters, vol. 20 (23), pp. 2105-2107 (Nov. 15, 2001).

140.    J. Yin and W. Cao, �