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2010-2001 Publications

2010

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

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

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

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

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

  6. 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, “Correlated polarization switching in the proximity of a 180° domain wall,” Phys. Rev. B. 82, 024111 (2010).article

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

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

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

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

  11. 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, “A strong ferroelectric ferromagnet created by means of spin–lattice coupling,” Nature 466, 954 (2010). article

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

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

  14. 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, “A modified Landau-Devonshire thermodynamic potential for strontium titanate,” Appl. Phys. Lett. 96, 232902(2010). article

  15. 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, “Tunable band gap in Bi(Fe1−xMnx)O3 films,” Appl. Phys. Lett. 96, 192901 (2010).article

  16. 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, “Ferroelectricity in Strain-Free SrTiO3 Thin Films,” Phys. Rev. Lett. 104, 197601(2010).article

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

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

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

  20. 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, “Co-Casting and Optical Characteristics of Transparent Segmented Composite Er:YAG Laser Ceramics,” J. Materials Research 25, 476-483 (2010).article

2009

  1. N. Baril, B. Keshavarzi, J. Sparks, M. Krishnamurthi, I. Temnykh, P. Sazio, A. Borhan, V. Gopalan and J. Badding, “Supersonic chemical deposition for void free filling of extreme aspect ratio templates,” submitted to Advanced Materials, (2009). PDF

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

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

  4. N. Baril, M. Krishnamurthi, V. Gopalan and J. Badding, “Low optical loss, high carrier mobility polycrystalline silicon core waveguides inside an optical fiber,” submitted Appl. Phys. Lett., (2009). PDF

  5. 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, “A strain-driven morphotropic phase boundary in BiFeO3,” Science, 326, 977 (2009). (http://www.sciencemag.org/cgi/content/abstract/326/5955/977)

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

  7. R. Behera, C-W. Lee, D. Lee, S. Sinnott, A. Asthagiri, V. Gopalan, and S. Phillpot, “Structure and energetics of 180° domain walls in PbTiO3 by density functional theory,” submitted to Phys. Rev. B (2009). PDF

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

  9. 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, "Composite Ceramic Er:YAG Laser Gain Media," submitted to Advanced Functional Materials (2009). PDF

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

  11. 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, “Coexistence of Weak Ferromagnetism and Ferroelectricity in High Pressure LiNbO3-type Phase of FeTiO3,” Phys. Rev. Lett., 103, 047601 (2009). PDF

  12. 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, “Spin-Charge-Lattice Coupling through Multi-Magnon Excitations in Multiferroic BiFeO3,” Appl. Phys. Lett., 94, 161905 (2009). PDF

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

  14. 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, “Magnon Sidebands in Bismuth Ferrite Probed by Nonlinear Optical Spectroscopy,” Phys. Rev. B., 79, 224106 (2009). PDF

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

  16. 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, “Influence of anisotropic strain on the dielectric and ferroelectric properties of SrTiO3 thin films on DyScO3 substrates,” Phys. Rev. B,. 79, 224117 (2009). PDF

  17. E. Vlahos, C. Brooks, K. Rabe, Carl-Johan Eklund, K. Rabe, D. G. Schlom, V. Gopalan, “Ferroelectricity in Strained CaTiO3,” in preparation for Phys. Rev. Lett. (2009). PDF

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

2008

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

  2. E. A. Eliseev, Anna N. Morozovska, Sergei V. Kalinin, Yulan L. Li, Jie Shen, Maya D. Glinchuk, Long-qing Chen, Venkatraman Gopalan, “Surface Effect on Domain Wall Width in Ferroelectrics,” Submitted to Physical Review B (2008). PDF

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

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

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

  6. 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, “The Influence of 180° Ferroelectric Domain Wall Width on the Threshold Field for Wall Motion,” J. Appl. Phys., 104, 084107 (2008). PDF

  7. 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, “Magnetic Color Symmetry of Lattice Rotations in a Diamagnetic Material,” Phys. Rev. Lett., 100, 257601 (2008). PDF

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

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

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

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

  12. 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, “Linear and nonlinear optical properties of BiFeO3,” Appl. Phys. Lett. 92, 121915 (2008).  PDF

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

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

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

  16. 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, “Two-Phonon Coupling to the Antiferromagnetic Phase Transition in Multiferoic BiFeO3,” Appl. Phys. Lett. 92, 022511 (2008).  PDF

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

2007

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

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

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

  4. 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, “Adsorption-controlled molecular-beam epitaxial growth of BiFeO3,” Appl. Phys. Lett. 91, 071922 (2007). PDF

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

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

  7. 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, "Integrated Optoelectronics in an Optical Fiber," Proceedings of SPIE-The International Society for Optical Engineering, 6475, 64750N (2007). PDF

  8. 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, "Microstructured Optical Fibers as New Nanotemplates for High Pressure CVD", Materials Research Society Symposium Proceedings, 998, 0988-QQ04-02 (2007) PDF

  9. 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, “Polar and Magnetic properties of PbVO3 Thin Films,” Physical Review B- Rapid Communications 75, 060101-4(R)(2007). PDF

2006

  1. 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, "Multiferroic Domain Dynamics in  Strained Strontium Titanate" Phys.Rev. Lett., 97, 257602 (2006).  PDF

  2. 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,“Microstructured optical fibers as high-pressure microfluidic reactors,” Science, 311, 1583 (2006). (http://www.sciencemag.org/cgi/content/abstract/311/5767/1583)

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

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

  5. 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, “c-axis oriented epitaxial BaTiO3 films on (001) Si,” J. Appl. Phys. 100, 024108-1/9 (2006). PDF

  6. 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, “Phase transitions and domain structures in strained pseudocubic (001) SrTiO3 thin films,” Physical Review B, 73, 184112-1-to-13 (2006). PDF

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

  8.  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, “Fabrication of semiconductor-metal optical fiber metamaterials for electromagnetic devices,” Proceedings, IEEE Antennas and Propagation Society International Symposium (IEEE Cat. No. 06CH37758C), p 768 (2006) 

  9. S-J. Lee, J. Stitt, W. White, G. Messing and V. Gopalan, “Spatial mapping of Fluorescence and Raman spectra across grain boundaries in transparent Nd-YAG ceramic laser materials,” 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. T. Jach, V. Gopalan, “Observations of 180° Ferroelectric Domains through Lithium Niobate Using Bragg and Laue X-Ray Topography with the Application of Electric Fields,” Ceramic Transactions, 196, 119-126 (2006). PDF

2005

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

  2. 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 (4). "Fabrication of extreme aspect ratio wires within photonic crystal fibers." Proceedings of SPIE-The International Society for Optical Engineering" 6005, 111-119 (2005). PDF

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

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

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

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

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

  8. D. Scrymgeour, V. Gopalan,  A. Itagi, A. Saxena and P. Swart, “Phenomenological Theory of a Single Domain Wall in Uniaxial Trigonal Ferroelectrics: Lithium Niobate and Lithium Tantalate,” Phys. Rev. B, 71, 184110-1/13 (2005). PDF

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

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

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

2004

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

  2. 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, “Enhancement of ferroelectricity in strained BaTiO3 thin films,” Science, 306, 1005 (2004). PDF

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

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

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

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

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

2003

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

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

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

  4. N. Malkova, S. Kim, and V. Gopalan, “Strain-tunable light transmission through a 90° bend waveguide in a two-dimensional photonic crystal,” Applied Physics Letters,  83, 1509-11 (2003). PDF

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

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

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

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

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

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

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

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

2002

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

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

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

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

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

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

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

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

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

2001

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

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

  3. H. Yu, V. Gopalan, J. Sindel and C. Randall, “Domain switching and electromechanical properties of pulse poled Pb(Zn1/3Nb2/3)O3-PbTiO3 crystals,” J. Appl. Phys89, 561 (2001). PDF

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

  5. S. Kim, V. Gopalan, K. Kitamura and Y. Furukawa, “Domain reversal and non-stoichiometry in LiTaO3J. Appl. Phys., 90, 2949 (2001).  PDF

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

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

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

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