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2010-2001 Publications

2010

  1. Interactions of Defects and Domain Walls in LiNbO3 – Insights from Simulation, H. Xu, D. W. Lee, S. B. Sinnott, V. Gopalan, V. Dierolf and S. R. Phillpot,  IOP Conf. Ser.: Mater. Sci. Eng. 15 012003 (2010). PDF

  2. Chromatic second harmonic imaging, C. Yang, K. Shi, H. Li, Q. Xu, V. Gopalan, Z. Liu, Optics Express, Vol. 18, Issue 23, pp. 23837-23843 (2010).article

  3. Mid-infrared transmission properties of amorphous germanium optical fibers, P. Mehta, M. Krishnamurthi, N. Healy, N. F. Baril, J. Sparks, P. J. A. Sazio, V. Gopalan, J. V. Badding, A. C. Peacock, Applied Physics Lett. 97, 071117 (2010).article

  4. Stability and charge transfer levels of extrinsic defects in LiNbO3, H. Xu (徐海譞), A. Chernatynskiy, D. Lee (이동화), S. B. Sinnott, V. Gopalan, V. Dierolf, and S. R. Phillpot, Phys. Rev. B 82, 184109 (2010). PDF

  5. Phase diagram and domain splitting in thin ferroelectric films with incommensurate phase, A.N. Morozovska, E.A. Eliseev, JianJun Wang, G.S. Svechnikov, Yu. M. Vysochanskii, V. Gopalan, and Long-Qing Chen, Phys. Rev. B, 81, 195437, (2010).article

  6. Correlated polarization switching in the proximity of a 180° domain wall, A. Vasudevarao, A. N. Morozovska, I. Grinberg, S. Bhattacharya, Y. Li, S. Jesse, P. Wu, K. Seal, S. Choudhury, E.A. Eliseev, S. Svechnikov, D. Lee, S. Phillpot, L.Q. Chen, A. M. Rappe, V. Gopalan and S.V. Kalinin, Phys. Rev. B. 82, 024111 (2010).article

  7. Optical Properties of quasi-tetragonal BiFeO3 thin films, P. Chen,  N. J. Podraza, X. S. Xu, A. Melville, E. Vlahos, V. Gopalan, R. Ramesh, D. G. Schlom, and J. L. Musfeldt, Appl. Phys. Lett. 96, 131907 (2010).article

  8. Laser improved protein crystallization screening, N. Yennawar, S. Denev, V. Gopalan, H. Yennawar, Acta Crstallographica F, 66, 969-972 (2010).article

  9. Phase-field simulations of phase transitions and domain stabilities in biaxially strained (001) SrTiO3 epitaxial thin films, G. Sheng, Y. L. Li, J. X. Zhang, S. Choudhury, Q. X. Jia, V. Gopalan, D. G. Schlom, Z. K. Liu, L. Q. Chen,  J. Appl. Phys. 108, 084113-1/6(2010).article

  10. Structure and Energetics of ferroelectric domain walls in LiNbO3 from atomic-level simulation, Donghwa Lee (이동화)1, Haixuan Xu (徐海譞)1, Venkatraman Gopalan2, Volkmar Dierolf, V. Gopalan and Simon R. Phillpot, Phys. Rev. B. 82, 014104-1/13, (2010).article

  11. A strong ferroelectric ferromagnet created by means of spin–lattice coupling, J. H. Lee, L. Fang, E. Vlahos, X. Ke, Y. W. Jung, L. Fitting Kourkoutis, J.W. Kim, P. Ryan, T. Heeg, M. Roeckerath, V. Goian, M. Bernhagen, R. Uecker, P. C. Hammel, K. M. Rabe, S. Kamba, J. Schubert, J. W. Freeland, D. A. Muller, C. J. Fennie, P. Schiffer, V. Gopalan, E. Johnston-Halperin & D. G. Schlom, Nature 466, 954 (2010). article

  12. Optical multistability in a silicon-core silica-cladding fiber, I. A. Temnykh, N. F. Baril, Z. Liu, J. V. Badding, V. Gopalan, Optics Express, 18, 5305-5313 (2010).article

  13. Probing mixed tetragonal/rhombohedral-like monoclinic phases in strained bismuth ferrite films by optical second harmonic generation,  A. Kumar, R. Zeches, S. Denev, N. Podraza, A. Melville, D. G. Schlom, R. Ramesh, V. Gopalan, Appl. Phys. Lett. 97, 112903 (2010).article

  14. A modified Landau-Devonshire thermodynamic potential for strontium titanate, G. Sheng, Y. L. Li, J. X. Zhang, S. Choudhury, Q. X. Jia,  V. Gopalan,D. G. Schlom, Z. K. Liu and L. Q. Chen, Appl. Phys. Lett. 96, 232902(2010). article

  15. Tunable band gap in Bi(Fe1−xMnx)O3 films, X.S. Xu, J. F. Ihlefeld, J. H. Lee, O.K. Ezekoye, E. Vlahos, R. Ramesh, V. Gopalan, X.Q. Pan, D. G. Schlom, and J.L. Musfeldt, Appl. Phys. Lett. 96, 192901 (2010).article

  16. Ferroelectricity in Strain-Free SrTiO3 Thin Films, H. W. Jang, A. Kumar, S. Denev, M. D. Biegalski, P. Maksymovych, C. T. Nelson, C. M. Folkman, S. H. Baek, N. Balke, D.A. Tenne, D. G. Schlom, L. Q. Chen, X. Q. Pan, S. V. Kalinin, V. Gopalan, and C. B. Eom, Phys. Rev. Lett. 104, 197601(2010).article

  17. High Pressure chemical deposition for void free filling of extreme aspect ratio templates, N. F. Baril, B. Keshavarzi, J. R. Sparks, Mahesh Krishnamurthi, I. Temnykh, P.J.A. Sazio, Ali Borhan, V. Gopalan, and J. V. Badding, Advanced Materials, 22, 4605-4611(2010). article

  18. Structure and diffusion of intrinsic defect complexes in LiNbO3 from density functional theory calculations, H. Xu, D. Lee, J. He, S. B. Sinnott, V. Dierolf, V. Gopalan, S. R. Phillpot, Journal of physics, Condensed Matter 22, 135002-1/7 (2010). PDF

  19. Optical properties of quasi-tetragonal BiFeO3 thin films, P. Chen, N. J. Podraza, X. S. Xu, A. Melville, E. Vlahos, V. Gopalan, R. Ramesh, D. G. Schlom, and J. L. Musfeldt, Appl. Phys. Lett. 96, 131907-1/4(2010).article

  20. Co-Casting and Optical Characteristics of Transparent Segmented Composite Er:YAG Laser Ceramics, E. R. Kupp, G. L. Messing, J. M. Anderson, V. Gopalan, J. Q. Dumm, C. Kraisinger, N. Ter-Gabrielyan, L. D. Merkle, M. Dubinskii, V. K. Castillo-Simonaitis, G. J. Quarles, J. Materials Research 25, 476-483 (2010).article

2009

  1. Thermodynamics of nanodomain formation and breakdown in Scanning Probe Microscopy: Landau-Ginzburg-Devonshire approach, A. Morozovska, E. Eliseev, Y. Li , S. Svechnikov, P. Maksymovych, V. Gopalan, L-Q. Chen and S. Kalinin, Phys. Rev. B (2009). PDF

  2. Electro-Optic Laser Beam Shaping by Patterned Ferroelectric domains, M. Krishnamurthi, P. Li, A. Singh, J. Thomas, T. Lehecka, Z. Liu and V. Gopalan, Appl. Phys. Lett., 95, 202902 (2009). PDF 

  3. A strain-driven morphotropic phase boundary in BiFeO3, R. Zeches, M. Rossell, J. Zhang, A. Hatt, C. Yang, A. Kumar, A. Melville, J. Ihlefeld, R. Erni, C. Ederer, V. Gopalan, D. Schlom, N. Spaldin, L. Martin and R. Ramesh, Science, 326, 977 (2009). (http://www.sciencemag.org/cgi/content/abstract/326/5955/977)

  4. Phase Transition in Weberite-type Gd3NbO7, L. Cai, S. Denev, V. Gopalan, and J. Nino,   J. Amer. Cer. Soc. (2009). PDF

  5. Structures and Energetics of Er Defects in LiNbO3 from First-Principles and Thermodynamics Calculations, H. Xu, D. Lee, S. Sinnott, V. Gopalan, V. Dierolf and S. Phillpot, Phys. Rev. B, 80, 144104 (2009). PDF

  6. Composite Ceramic Er:YAG Laser Gain Media, E. Kupp, G. Messing, J. Anderson, V. Gopalan, J. Dumm, V. Kraisinger, N. Ter-Gabrielyan, L. Merkle, M. Dubinskii, V. Castillo-Simonaitis and G. Quarles, submitted to Advanced Functional Materials (2009). PDF

  7. Mixed Bloch-Néel-Ising Character of 180° Ferroelectric Domain Walls, D. Lee, R. Berhera, P. Wu, H. Xu, Y. Li, S. Phillpot, S. Sinnott, L. Chen and V. Gopalan, Phys. Rev. B.-rapid communications, 80, 060102(R) (2009). PDF

  8. Coexistence of Weak Ferromagnetism and Ferroelectricity in High Pressure LiNbO3-type Phase of FeTiO3, T. Varga, A. Kumar, E. Vlahos, M. Park, S.Hong, T. Sanehira, Y. Wang, C. Fennie, S. Streiffer, X. Ke, P. Schiffer, V. Gopalan and J. Mitchell, Phys. Rev. Lett., 103, 047601 (2009). PDF

  9. Spin-Charge-Lattice Coupling through Multi-Magnon Excitations in Multiferroic BiFeO3, M. Ramirez, A. Kumar, S. Denev, Y. Chu, J. Seidel, L. Martin, S-Y. Yang, R. Rai, X. Xu, J. Ihlefeld, N. Podraza, E. Saiz, S. Lee, J. Klug, S. Cheong, M. Bedzyk, O. Auciello, J. Musfeldt, D. Schlom, R. Ramesh, J. Orenstein, J. Musfeldt, A. Litvinchuk and V. Gopalan, Appl. Phys. Lett., 94, 161905 (2009). PDF

  10. Temperature Dependent Blue Second Harmonic Generation in Ba5Li2Ti2Nb8O30 Microcrystals Embedded in TeO2 Glass-Matrix, N. Madhar, A. Vasudevarao, V. Gopalan, H. Jain and K. Varma,   Journal of non-crystalline solids, 355, 1517-1520 (2009). PDF

  11. Magnon Sidebands in Bismuth Ferrite Probed by Nonlinear Optical Spectroscopy, M. Ramirez, A. Kumar, S. Denev, N. Podraza, X. Xu, R. Rai, Y. Chu,  J. Seidel,  L. Martin, S-Y. Yang, E. Saiz, J. Ihlefeld, S. Lee, S. Cheong, D. Schlom, R. Ramesh, J. Orenstein, J. Musfeldt, and V. Gopalan, Phys. Rev. B., 79, 224106 (2009). PDF

  12. Optical Properties and Magnetochromism in Multiferroic BiFeO3, X. Xu, T. Brinzari, S. Lee, Y. Chu, L. Martin, A. Kumar, S. McGill, R. Rai, R. Ramesh, V. Gopalan, S. Cheong, J. Musfeldt, Phys. Rev. B., 79, 134425 (2009). PDF

  13. Influence of anisotropic strain on the dielectric and ferroelectric properties of SrTiO3 thin films on DyScO3 substrates, M. Biegalski, E. Vlahos, G. Sheng, Y. Li, L. Chen, V. Gopalan, S. Trolier-Mckinstry, D. Schlom, S. Streiffer, M. Bernhagen, P. Reiche and R. Uecker, Phys. Rev. B,. 79, 224117 (2009). PDF

  14. Stripe Vertical Domain Walls of Epitaxial (001) BiFeO3 Thin Films on Orthorhombic TbScO3 Substrate, C. Folkman, S. Baek, H. Jang, C. Eom, C. Nelson, X. Pan, Y. Li, L. Chen, A. Kumar, V. Gopalan, and S. Streiffer, Appl. Phys. Lett., 94 , 251911 (2009). PDF

2008

  1. The Interaction of a 180° Ferroelectric Domain Wall with a Biased Scanning Probe Microscopy Tip: Geometry and Thermodynamics in Ginzburg-Landau-Devonshire Theory, A. N. Morozovska, S. V. Kalinin, E. A. Eliseev, V. Gopalan and S. V. Svechnikov, Phys. Rev. B, 78, 125407 (2008). PDF

  2. Surface Effect on Domain Wall Width in Ferroelectrics, E. A. Eliseev, Anna N. Morozovska, Sergei V. Kalinin, Yulan L. Li, Jie Shen, Maya D. Glinchuk, Long-qing Chen, Venkatraman Gopalan, J. Applied Physics (2008). PDF

  3. Development of Optical Nonlinearity, High Dielectric Constant and Ferromagnetic Behavior in a Silicate Glass Nanocomposite by Suitable Heat Treatment, S. Basu, V. Gopalan, H. Jain and D. Chakravorty, J. Non-crystalline Solids, 354, 3278-3283 (2008). PDF

  4. Stability of Intrinsic Defects and Defect Clusters in LiNbO3 from Density Functional Theory Calculations, H. Xu, D. Lee, J. He, S. B. Sinnott, V. Gopalan, V. Dierolf and S. R. Phillpot, Physical Review B, 78, 174103-1/12 (2008). PDF

  5. Solitons and Critical Breakup Fields in Lithium Niobate Type Uniaxial Ferroelectrics, A. Bandyopadhyay, P. C. Ray and V. Gopalan, European Physical Journal B, 65, 525–531 (2008). PDF

  6. The Influence of 180° Ferroelectric Domain Wall Width on the Threshold Field for Wall Motion, S. Choudhury, Y. Li, N. Odagawa, A. Vasudevarao, L. Tian, P. Capek, V. Dierolf, A. Morozovska, E. Eliseev, S. Kalinin, L. Chen and V. Gopalan, J. Appl. Phys., 104, 084107 (2008). PDF

  7. Magnetic Color Symmetry of Lattice Rotations in a Diamagnetic Material, S. Denev, A. Kumar, M. Biegalski, H. W. Wang, C. M. Folkman, A. Vasudevarao, Y. Han, I. M. Reaney, S. T. Mckinstry, C. B.- Eom, D. G. Schlom and V. Gopalan, Phys. Rev. Lett., 100, 257601 (2008). PDF

  8. Nanoscale Polarization Profile Across a 180° Ferroelectric Domain Wall Extracted by Quantitative Piezoelectric Force Microscopy,  L. Tian, A. Vasudevarao, A. N. Morozovska, E. A. Eliseev, S. Kalinin and V. Gopalan, J. Appl. Phys., 104, 074110 (2008). PDF

  9. Effect of the Intrinsic Width on the Piezoelectric Force Microscopy of a Single Ferroelectric Domain Wall, A. Morozovska, E. Eliseev, G. Svechnikov, V. Gopalan and S. Kalinin, J. Appl. Phys. 103, 124110 (2008). PDF

  10. Linear and Nonlinear Optical Properties of Multifunctional PbVO3 Thin Films, A. Kumar, N. Podraza, S. Denev, J. Li, L. W. Martin, Y. H. Chu, R. Ramesh, R. Collins, and V. Gopalan, Appl. Phys. Lett. 92, 231915 (2008). PDF

  11. Design and Simulation of Planar Electro-optic Switches in Ferroelectrics, M. Krishnamurthi, L. Tian and V. Gopalan, Appl. Phys. Lett., 93 052912 (2008). PDF

  12. Linear and nonlinear optical properties of BiFeO3,  A. Kumar, R. C. Rai, N. J. Podraza, S. Denev, M. Ramirez, Y-H. Chu, L. W. Martin, J. Ihlefeld, T. Heeg, J. Schubert, D. G. Schlom, J. Orenstein, R. Ramesh, R. W. Collins, J. L. Musfeldt, and V. Gopalan, Appl. Phys. Lett. 92, 121915 (2008).  PDF

  13. Polarization Rotation Transitions in Anisotropically Strained SrTiO3 Films, A. Vasudevarao, S. Denev, M. D. Biegalski, Y. Li, L-Q. Chen, S. T.-McKinstry, D. G. Schlom, and V. Gopalan, Appl. Phys. Lett. 92, 192902 (2008).  PDF

  14. Sintering and Grain Growth in SiO2 Doped Nd:YAG, S. Kochawattana, A. Stevenson, E. Kupp, S. Lee, M. Ramirez, V. Gopalan, and G. L. Messing, J. Eur. Cer. Soc. 28, 1527–1534 (2008). PDF

  15. Three-Dimensional Grain Boundary Spectroscopy in Transparent High Power Ceramic Laser Materials, M. O. Ramirez, J. Wisdom, Z. Liu, R. L. Byer, G. L. Messing and V. Gopalan, Optics Express,16, 5965-5973 (2008) PDF

  16. Two-Phonon Coupling to the Antiferromagnetic Phase Transition in Multiferoic BiFeO3,  M. O. Ramirez, M. Krishnamurthy, S. Denev, A. Kumar, S.-Y. Yang, Y. H. Chu, E. Saiz, A. P. Pyatakov, A. Bush, D. Viehland, J. Orenstein, R. Ramesh and V. Gopalan, Appl. Phys. Lett. 92, 022511 (2008).  PDF

  17. Endoscopic fiber: Microfluidic chemical deposition moves optical fiber to the nanoscale, V. Gopalan, J. Badding, P. Sazio, and A. Peacock, Laser Focus World, 44 (1), 135-138 (2008). PDF

2007

  1. Natural focusing of rays from ferroelectric lithium niobate wafers,  S. Durbin, T. Jach, S. Kim and V. Gopalan,Appl. Phys. Lett. 91, 142909 (2007). PDF

  2. Amorphous silicon-filled microstructures optical fibers for in-fiber light modulation, D. Won, M. O. Ramirez, V. Gopalan, H. Kang, N. F. Baril, J. Calkins, P. J. A. Sazio, J. V. Badding and V. Gopalan, Appl. Phys. Lett. 91, 161112-1/3(2007). PDF

  3. Raman studies of ferroelectric domain walls in lithium tantalate and niobate, P. Capek, G. Stone, V. Dierolf, C. Althouse and V. Gopalan, Phys. Stat. Sol. 4, 830-833 (2007). PDF

  4. Adsorption-controlled molecular-beam epitaxial growth of BiFeO3, J. F. Ihlefeld, A. Kumar, V. Gopalan, D. G. Schlom, Y. B. Chen, X. Q. Pan, T. Heeg, J. Schubert, X. Ke, P. Schiffer, J. Orenstein, L. W. Martin, Y. H. Chu, and R. Ramesh, Appl. Phys. Lett. 91, 071922 (2007). PDF

  5. Quantitative determination of the tip parameters in piezoresponse force microscopy, S. V. Kalinin, S. Jesse, B. J. Rodriguez, E. A. Eliseev, V. Gopalan and A. N. Morozovska, Appl. Phys. Lett. 90, 212905 (2007). PDF

  6. 2-D dynamic focusing of laser light by ferroelectrics based electro-optic domain lenses,  M. Krishnamurthy, S. Denev, L. Tian, T. Lehecka, J. Thomas and V. Gopalan, Appl. Phys. Lett. 90, 201106-1/3 (2007). PDF

  7. Integrated Optoelectronics in an Optical Fiber, J.V. Badding, A. Amezcua Correa, T.J. Scheidemantel, C.E. Finlayson, N.F. Baril, D.J. Won, H. Fang, B. Jackson, A. Borhan and V. Gopalan, Proceedings of SPIE-The International Society for Optical Engineering, 6475, 64750N (2007). PDF

  8. Microstructured Optical Fibers as New Nanotemplates for High Pressure CVD, N.F. Baril, J.V. Badding, V. Gopalan, P.J. Sazio, T.J. Scheidemantel, B.R. Jackson, D.-J. Won, A. Amezcua Correa and C. Finlayson, Materials Research Society Symposium Proceedings, 998, 0988-QQ04-02 (2007) PDF

  9. Polar and Magnetic properties of PbVO3 Thin Films, A. Kumar, L. Martin, S. Denev, Q. Zhan, M. Chi, T. Mizoguchi, J. Kortright, J. Kreisel, N. Browning, R. Ramesh, Y. Suzuki, and V. Gopalan, Physical Review B- Rapid Communications 75, 060101-4(R)(2007). PDF

2006

  1. Multiferroic Domain Dynamics in  Strained Strontium Titanate, A. Vasudevarao, A. Kumar, L. Tian, J. H. Haeni, Y. L. Li, C.-J. Eklund, Q. X. Jia, R. Uecker, P. Reiche, K. M. Rabe, L. Q. Chen, D. G. Schlom, and Venkatraman Gopalan, Physical Review Letters, 97, 257602 (2006). PDF

  2. Microstructured optical fibers as high-pressure microfluidic reactors, P. J.A. Sazio, A. Amezcua-Correa, C. E. Finlayson, J. R. Hayes, T. J. Scheidemantel, N. F. Baril, B. R. Jackson, D-J. Won, F. Zhang, R. Margine, V. Gopalan, V. H. Crespi, and J. V. Badding, Science, 311, 1583 (2006). DOI: 10.1126/science.1124281

  3. Dynamical systems analysis for polarization in ferroelectrics, A. K. Bandhyopadhyay, P. C. Ray and V. Gopalan, Journal of Applied Physics, 100, 114106 (2006). PDF

  4. An approach to the Klein–Gordon equation for a dynamic study in ferroelectric materials, A. K. Bandhyopadhyay, P. C. Ray and V. Gopalan, Journal of Physics Condensed Matter, 18, 4093 (2006). Link

  5. c-axis oriented epitaxial BaTiO3 films on (001) Si,  V. Vaithyanathan, J. Lettieri, W. Tian, A. Kochhar, H. Ma, A. Sharan, A. Vasudevarao, V. Gopalan, Y. Li, L. Q. Chen, P. Zschack, J. C. Woicik, J. Levy, and D. G. Schlom, J. Appl. Phys. 100, 024108-1/9 (2006). PDF

  6. Phase transitions and domain structures in strained pseudocubic (001) SrTiO3 thin films, Y. L. Li, S. Choudhury,J.H. Haeni,M.D. Biegalski,A. Vasudevarao(3),A. Sharan,H. Z. Ma,J. Levy,V. Gopalan,S. Trolier-McKinstry,D. G. Schlom,Q. X. Jia,and L. Q. Chen, Physical Review B, 73, 184112-1-to-13 (2006). PDF

  7. Building semiconductor structures in optical fiber, J. V. Badding, V. Gopalan and P. J. A. Sazio, Photonics Spectra, 40, 80 (2006). PDF

  8.  Fabrication of semiconductor-metal optical fiber metamaterials for electromagnetic devices, J. V. Badding, P. J. A. Sazio, A. Amezcua Correa, T. J. Scheidemantel, C. E. Finlayson, N. F. Baril, D.-J.Won, H. Fang, B. Jackson, V. Gopalan, D. H. Werner and L. Li, Proceedings, IEEE Antennas and Propagation Society International Symposium (IEEE Cat. No. 06CH37758C), p 768 (2006) 

  9. Spatial mapping of Fluorescence and Raman spectra across grain boundaries in transparent Nd-YAG ceramic laser materials, S-J. Lee, J. Stitt, W. White, G. Messing and V. Gopalan, Proceedings of the SPIE, Solid State Lasers XV:Technology and Devices, Editors: Hanna J. Hoffman, Ramesh K. Shori, V 6100, page 610011-1/11-8, San Jose CA, Jan (2006). PDF

  10. Observations of 180° Ferroelectric Domains through Lithium Niobate Using Bragg and Laue X-Ray Topography with the Application of Electric Fields, T. Jach, S. Durbin, S. Kim, V. Gopalan, Ceramic Transactions, 196, 119-126 (2006). Link

2005

  1. Tunable microphotonic devices in ferroelectrics, D. A. Scrymgeour , V. Gopalan and K. Gahagan, Am. Ceram. Soc. Bulletin, 84 (5), 14-17 (2005). PDF

  2. Fabrication of extreme aspect ratio wires within photonic crystal fibers. Badding, J. V., P. J. A. Sazio, A. Amezcua Correa, T. J. Scheidemantel, C. E. Finlayson, N. F. Baril, D. J. Won, H. Fang, B. Jackson, A. Borhan and V. Gopalan. Proceedings of SPIE-The International Society for Optical Engineering" 6005, 111-119 (2005). PDF

  3. Hybrid Electro-optic and Piezoelectric Laser Beam Steering in Two Dimensions, D. A. Scrymgeour, B. Koc, L. Tian, M. W. Gentzel, K. Uchino and V. Gopalan, IEEE Journal of Lightwave Technology, 23, 2772-2777 (2005). PDF

  4. Numerical study of the light-beam propagation and superprism effect inside two-dimensional hexagonal photonic crystals,  N. Malkova, D. Scrymgeour, and V. Gopalan, Physical Review B, 72, 045144 (2005). PDF

  5. Nanoscale Piezoelectric response at a single ferroelectric domain wall, D. Scrymgeour and V. Gopalan, Phys. Rev. B 72, 024103 (2005). PDF

  6. Real-time study of domain dynamics in Sr0.61Ba0.39Nb2O6, L. Tian, D. A. Scrymgeour and V. Gopalan, J. Appl. Physics, 97, 114111-1(2005). PDF

  7. Phased-Array Electro-Optic Steering of Large Aperture Laser Beams using Ferroelectrics, D. A. Scrymgeour, L. Tian, V. Gopalan, D. Chauvin and K. A. Schepler, Applied Physics Letters, 86, 211113-1-3 (2005). PDF

  8. Phenomenological theory of a single domain wall in  uniaxial trigonal Fferroelectrics: Lithium Niobate and Lithium Tantalate, D. Scrymgeour, V. Gopalan,  A. Itagi, A. Saxena and P. Swart, Phys. Rev. B, 71, 184110-1/13 (2005). PDF

  9. Optical index profile at an antiparallel ferroelectric domain wall in lithium niobate, S. Kim and V. Gopalan, Materials Science and Engineering, B Solid State Materials for Advanced Technologies, 120, 91-94 (2005). PDF

  10. Ultraviolet laser-induced sub-micron periodic domain formation in congruent undoped lithium niobate crystals, C.L. Sones, C.E. Valdivia, J.G. Scott, S. Mailis, R.W. Eason, D.A. Scrymgeour, V. Gopalan, T. Jungk and E. Soergel, Applied Physics B, 80,  341(2005). PDF

  11. Nanoscale surface domain formation on the + z face of lithium niobate by pulsed UV laser illumination, C.E. Valdivia, C.L. Sones, J.G. Scott, S. Mailis, R.W. Eason, D.A. Scrymgeour, V. Gopalan, T. Jungk and E. Soergel,  Applied Physics Letters, 86, 022906 (2005). PDF

2004

  1. Domain reversal in stoichiometric lithium tantalate prepared by vapor transport equillibration, L. Tian and V. Gopalan, Applied Physics Letters, 85, 4445–4447 (2004). PDF

  2. Enhancement of ferroelectricity in strained BaTiO3 thin films, K. Choi, M. Biegalski, Y. Li, A. Sharan, J. Schubert, R. Uecker, P. Reiche, Y. Chen, X. Pan, V. Gopalan, L. Chen, D. Schlom and C. Eom, Science, 306, 1005 (2004). PDF

  3. Electro-optic Coefficients of Lithium Tantalate at Near-IR Wavelengths, J. Casson, K. Gahagan, D. Scrymgeour, R. Jain, J. Robinson, V. Gopalan and R. Sander, Journal of the Optical Society of America, B, 21, 1948-1952 (2004). PDF

  4. Local electromechanical response at a single ferroelectric domain wall, D. Scrymgeour and V. Gopalan, Metallurgical and Materials Transactions, 35A, 2287-90 (2004). PDF

  5. Bismuth Manganite: a multiferroic with a large nonlinear optical response, A. Sharan, J. Lettieri, Y. Jia, W. Tian, X. Pan, D. Schlom and V. Gopalan, Physical Review B, 60, 214109/1-7 (2004).PDF

  6. Coupled displacive and order-disorder dynamics in LiNbO3 by molecular dynamics simulation, S. Phillpot and V. Gopalan, Applied Physics Letters, 84, 1916-18 (2004). PDF

  7. Long range strains and the effects of applied fields at 180° ferroelectric domain walls in lithium niobate, T. Jach, S. Kim, V. Gopalan, S. Durbin and D. Bright, Physical Review B, 69,064113-1/9 (2004). PDF

2003

  1. Strain-tunable optical valves at T-junction waveguides in photonic crystals, N. Malkova and V. Gopalan, Physical Review B , 68, 245115-1/6 (2003). PDF

  2. Large optical nonlinearities in BiMnO3 thin films, A. Sharan, I. Ahn, C. Chen, R. W. Collins, J. Lettieri, D. Schlom and V. Gopalan, Applied Physics Letters, 83, 5169-71 (2003). PDF

  3. Anomalous electro-optic effect in Sr0.6Ba0.4Nb2O6 single crystals and its application in 2-dimensional laser scanning, L. Tian, A. Sharan and V. Gopalan, Applied Physics Letters, 83, 4375-77 (2003). PDF

  4. Strain-tunable light transmission through a 90° bend waveguide in a two-dimensional photonic crystal, N. Malkova, S. Kim, and V. Gopalan, Applied Physics Letters83, 1509-11 (2003). PDF

  5. Electro-optic control of superprism effect in photonic crystals, D. Scrymgeour, N. Malkova, S. Kim, and V. Gopalan, Applied Physics Letters, 82, 3176-78 (2003). PDF

  6. Symmetrical analysis of complex two-dimensional hexagonal photonic crystals, N. Malkova, S. Kim, T. Dilazaro and V. Gopalan, Physical Review B, 67, 125203-11 (2003) PDF

  7. Jahn-Teller effect in two-dimensional photonic crystals, N. Malkova, S. Kim and V. Gopalan, Physical Review B, 68, 045105-10 (2003). PDF

  8. Rearrangement of Rare Earth Defects under Domain Inversion in LiNbO3, V. Dierolf, C. Sandmann, V. Gopalan, S. Kim, and K. Polgar,   Radiat. Eff. Defects Solids, 158, 247 (2003). PDF

  9. Ferroelectric domain imaging by defect luminescence microscopy, V. Dierolf, S. Sandman, S. Kim, V. Gopalan and K. Polgar, J. Appl. Physics, 93, 2295-97(2003). PDF

  10. Symmetrical analysis of complex photonic bandgap crystals,  N. Malkova, S. Kim and V. Gopalan, Journal of Physics: Condensed matter, 15, 4535-4542 (2003).  PDF

  11. Symmetrical analysis of defect level splitting in two-dimensional photonic crystals, N. Malkova, S. Kim and V. Gopalan, Journal of Physics: Condensed Matter, 15, 4535-42 (2003) PDF

  12. Local electromechanical response at a single ferroelectric domain wall,  D. Scrymgeour and V. Gopalan, Metallurgical and Materials Transactions A, 35, 2287 (2003). PDF

2002

  1. Strains at Ferroelectric Domain Walls under an Applied Field, T. Jach, S. Kim, S. Durbin, V. Gopalan and D. Bright, Fundamental Physics of Ferroelectrics 2002, Washington DC, Editor: R. E. Cohen, in print,  American Institute of Physics (2002).  PDF

  2. On domain wall broadening in ferroelectric lithium niobate and tantalate, S. Kim, B. Steiner, A. Gruverman and V. Gopalan, Fundamental Physics of Ferroelectrics 2002, Washington DC, Editor: R. E. Cohen, American Institute of Physics (2002).  PDF

  3. Coercive fields in ferroelectrics: A case study in lithium niobate and lithium tantalate, S. Kim, V. Gopalan and A. Gruverman, Appl. Phys. Lett, 80, 2740 (2002).  PDF

  4. Symmetrical perturbation analysis of complex two-dimensional photonic crystals, N. Malkova, S. Kim and V. Gopalan, Physical Review B, 66, 115113-23 (2002). PDF

  5. Widely tunable nonlinear liquid crystal-based photonic crystals, I. C. Khoo, Y. Zhang, A. Diaz, J. Ding, I. B. Divliansky, K. Holliday, T. S. Mayer, V.Crespi, D. Scrymgeour and V. Gopalan, Proceedings of Liquid Crystals VI –SPIE  International Symposium on Optical science and Technology, Vol. 4799 (2002). PDF

  6. Cascaded Electro-optic scanning of laser light over large angles using domain microengineered ferroelectrics, D. Scrymgeour, A. Sharan, V. Gopalan, K. T. Gahagan, R. Sander, J. M. Robinson, F. Muhammad, P. Chandramani and F. Kiamilev, Appl. Phys. Lett, 81, 3140-3 (2002).  PDF

  7. Multi-channel ±1.1kV arbitrary waveform generator for beam steering using ferroelectric device, F. Muhammad, P. Chandramani, J. Ekman, F. Kiamilev, D. Scrymgeour, V. Gopalan, E. Moore and M. Weiler, IEEE Photonics Technology Letters, 14, 1605 (2002). PDF

  8. Near-IR Tunable Laser Using an Integrated LiTaO3 Electro-Optic Deflector, J. Casson, L. Wang, N. Libatique, R. Jain, D. Scrymgeour, V. Gopalan and K. Gahagan,   Applied Optics, 41, 6416-6419 (2002).  PDF

  9. In-situ probing of domain poling in Bi4Ti3O12 thin films by optical second harmonic generation, Y. Barad, J. Lettieri, C. D. Theis, D. G. Schlom and V. Gopalan, Integrated Ferroelectrics, 44, 19-24 (2002). PDF

2001

  1. Domain rearrangement in Bi4Ti3O12 thin films studied by in-situ optical second harmonic generation,  Y. Barad, J. Lettieri, C. Theis, D. Schlom and V. Gopalan, J. Appl. Phys. 90, 3497 (2001).  PDF

  2. Probing domain microstructure in ferroelectric Bi4Ti3O12 thin films by optical second harmonic generation,  Y. Barad, V. Gopalan, C. Theis, J. Lettieri, J. Jiang and X. Pan, J. Appl. Phys. 89, 1387 (2001). PDF Errata PDF

  3. Domain switching and electromechanical properties of pulse poled Pb(Zn1/3Nb2/3)O3-PbTiO3 crystals, H. Yu, V. Gopalan, J. Sindel and C. Randall, J. Appl. Phys.  89, 561 (2001). PDF

  4. Compact Multichannel 2kV Arbitrary Waveform Generator for Ferroelectric Device Arrays, F. Muhammad, P. Chandramani, J. Ekman, F. Kiamilev, V. Gopalan, E. Moore and M. Weiler, in 2001 IEEE/LEOS Annual Meeting Conf. Proc., vol. 2, pp. 818-819, Nov. 2001.

  5. Domain reversal and non-stoichiometry in LiTaO3, S. Kim, V. Gopalan, K. Kitamura and Y. Furukawa, J. Appl. Phys., 90, 2949 (2001).  PDF

  6. Strain-tunable photonic band gap crystals, S. Kim and V. Gopalan, Appl. Phys. Lett. 78, 3015-17 (2001). PDF

  7. Crystal ion slicing of domain micro-engineered electro-optic devices on lithium niobate, D. Scrymgeour, V. Gopalan, T. E. Haynes, Integrated Ferroelectrics, 41, 1687 (2001).

  8. A large angle electro-optic scanner on LiTaO3 fabricated by in-situ monitoring of ferroelectric domain microengineering, D. Scrymgeour, Y. Barad, V. Gopalan, K. T. Gahagan, J. M. Robinson, Q. X. Jia and T. E. Mitchell, Applied Optics, 40, 6236 (2001). PDF

  9. Integrated high power electro-optic lens and large-angle deflector,  K. T. Gahagan, D. Scrymgeour, Joanna L. Casson, J. M. Robinson and V. Gopalan, Applied Optics31, 5638 (2001).  PDF