Publications

Publications 

Google Scholar Citations Search of publications by Gopalan group


Theses

  1. Ryan C. Haislmaier, Strain-induced phenomenon in complex oxide thin films, Ph.D. dissertation, (2016).

  2. Arnab SenGupta, Topochemical synthesis & characterization of octahedral rotation induced noncentrosymmetric layered perovskites, Ph.D. dissertation, (2016).

  3. Brian K. VanLeeuwen, The symmetry and antisymmetry of distortionsPh.D. dissertation, (2015).

  4. Jessica Leung, The emergent monoclinic phase in KNbO3 discovered using optical second harmonic generationMasters thesis, (2013).

  5. Eftihia Vlahos, Phase transitions and domain structures in multiferroicsPh.D. dissertation, (2011).

  6. Mahesh Krishnamurthy, Optoelectronic materials for sub-wavelength imaging and laser beam manipulationPh.D. dissertation , (2010).

  7. Amit Kumar, Spin-charge lattice coupling in multiferroics and strained ferroelectricsPh.D. dissertation, (2009).

  8. V. Aravind, Probing local structure and dynamics of ferroelectric domain walls using nonlinear optics and scanning probe microscopy, PhD dissertation (2009).

  9. L. Tian, Nanoscale probing and photonic applications of ferroelectric domain walls, PhD dissertation (2006). PDF

  10. E. Vlahos, High dynamic range, long-arm autocorrelation measurements of ultrashort pulses used in femtosecond laser micromachining, Masters thesis (2005). PDF

  11. D. Scrymgeour, Local structure and shaping of domain walls for photonic applications, PhD dissertation (2004). PDF

  12. S. Kim, Optical, electrical and elastic properties of domain walls in lithium niobate and lithium tantalate, PhD dissertation (2003). PDF

  13. C. Lin, Structure-optical property relations in proton exchanged waveguides in stoichiometric lithium niobate, Masters Thesis (2003).


Reviews

  1. Ferroelectric Materials, in The Handbook of Photonics, Venkatraman Gopalan, Kenneth L. Schepler, Volkmar Dielorf and Ivan Biaggio, Second Edition, Chapter 6, pp 1-53 PDF

  2. Crystal Growth, Characterization, and Domain Studies in Lithium Niobate and Lithium Tantalate Ferroelectrics, in The Handbook of Advanced Electronic and Photonic Materials and Devices, Venkatraman Gopalan, Norman A. Sanford, J. A. Aust, K. Kitamura and Y. Furukawa, Volume 4, Chapter 2, pp 58-112 PDF

  3. Defect - DomainWall Interactions in Trigonal Ferroelectrics, in The Annual Review of Materials Research, Venkatraman Gopalan, Volkmar Dierolf and David A. Scrymgeour, Annu. Rev. Mater. Res. (2007). 37:449-89 PDF

  4. Probing Ferroelectrics using Optical Second Harmonic Generation, S. A. Denev, T. T. A. Lummen, E. Vlahos, V. Gopalan, J. Amer. Cer. Soc. 94[9], 2699-2727 (2011). article

  5. Templated Chemically Deposited Semiconductor Optical Fiber Materials, Justin R. Sparks, Pier J.A. Sazio, Venkatraman Gopalan and John V. Badding, Annual Review of Materials Research 43: 527-557 (2013). article

  6. Elastic strain engineering of ferroic oxides, Darrell G. Schlom, Long-Qing Chen, Craig J. Fennie, Venkatraman Gopalan, David A. Muller, Xiaoqing Pan, Ramamoorthy Ramesh and Reinhard Uecker, MRS Bulletin 39, 118 (2014). article


Publications 

    2016

      1. V. Gopalan, R. Engel-Herbert, Complex Oxides: Creative Tension in Layered CrystalsNature Materials, News and Views, (2016). doi:10.1038/nmat4662

      2. T. H. Kim, D. Puggioni, Y. Yuan, L. Xie,  H. Zhou, N. Campbell, P. J. Ryan, Y. Choi, J.-W. Kim, J. R. Patzner, S. Rzchowski, X. Q.Pan, V. Gopalan, J. M. Rondinelli, C-B. Eom, Polar Metals by Geometric DesignNature, 533, 68-72 (2016). doi:10.1038/nature17628

      3. G. Stone, C. Ophus, T. Birol, J. Ciston, C-H. Lee, K. Wang, C. J. Fennie, D. G. Schlom, N. Alem, V. Gopalan, Atomic-scale imaging of competing polar states in a Ruddlesden-Popper layered oxideNature Communications,  7, article 12572 (2016). doi:10.1038/ncomms12572

      4. A. SenGupta, H. Akamatsu, F. G. Brown, Minh An T. Nguyen, M. E. Strayer, S. Lapidus, S. Yoshida, K. Fujita, K. Tanaka, I. Tanaka, T. E. Mallouk, V. Gopalan, Competing structural instabilities in the Ruddlesden-Popper derivatives HRTiO4 (R=Rare earths): Oxygen Octahedral rotations inducing noncentrosymmetry and layer sliding retaining centrosymmetryACS Chemistry of Materials, (2016). http://pubs.acs.org/doi/abs/10.1021/acs.chemmater.6b04103 

      5. Kim, Sun Woo; Deng, Zheng; Li, Man-Rong; Gupta, Arnab; Akamatsu, Hirofumi; Gopalan, Venkatraman; Greenblatt, Martha, PbMn(IV)TeO6: A New Noncentrosymmetric Layered Honeycomb Magnetic OxideInorganic Chemistry, 55, 1333-1338 (2016). 10.1021/acs.inorgchem.5b02677

      6. A. Sen Gupta, H. Akamatsu, M. E. Strayer, S. Lei, T. Kuge, K. Fujita, C. dela Cruz, A. Togo, I. Tanaka, K. Tanaka, T. E. Mallouk, and V. Gopalan, Improper inversion symmetry breaking and piezoelectricity through oxygen octahedral rotations in layered perovskite family, LiRTiO4 (R= rare earths)," Advanced Electronic Materials, 10.1002/aelm.201500196
      7. M. E. Strayer, A. Sen Gupta, H. Akamatsu, S. Lei, N. A. Benedek, V. Gopalan, and T. E. Mallouk, Emergent non-centrosymmetry and piezoelectricity driven by oxygen octahedral rotations in n = 2 Dion-Jacobson phase layer perovskites, Advanced Functional Materials, 26, 1930-1937 (2016). DOI: 10.1002/adfm.201504046 

      8. Hai-Tian Zhang,
 Lu Guo,
 Greg Stone,   Lei Zhang,
Yuan-Xia Zheng,
Eugene Freeman,
Derek W. Keefer,
Subhasis Chaudhuri,
Hanjong Paik,
Jarrett A. Moyer,
Michael Barth,
Darrell G. Schlom,
John V. Badding,
Suman Datta,
Venkatraman Gopalan,
Roman Engel-Herbert, Imprinting of Local Metallic States into VO2 with Ultraviolet LightAdvanced Functional Materials, (2016) 10.1002/adfm.201601890.

      9. R. C. Haislmaier, E. D. Grimley, M. D. Biegalski, J. M. Lebeau, S. Trolier-McKinstry, V. Gopalan, R. E. Herbert, Unleashing strain induced ferroelectricity in complex oxide thin films via precise stoichiometry controlAdvanced Functional Materials, (2016). 10.1002/adfm.201602767

      10. Xiaoyu Ji, Ryan L. Page, Subhasis Chaudhuri, Wenjun Liu, Shih-Ying Yu, Suzanne E. Mohney, John V. Badding, and Venkatraman Gopalan, Single Crystal Germanium Core Optoelectronic Fibers, Advanced Optical Materials, (2016). http://dx.doi.org/10.1002/adom.201600592;  Frontispiece Imagehttp://onlinelibrary.wiley.com/doi/10.1002/adom.201770004/full

      11. X. Ji, S. Lei, S-Y. Yu, H. Y. Cheng, W. Liu, N. Poilvert, Y. Xiong, I. Dabo, S. E. Mohney, J. V. Badding, V. Gopalan, Single-Crystal Silicon Optical Fiber by Direct Laser Crystallization, ACS Photonics, (2016).http://DOI: 10.1021/acsphotonics.6b00584

      12. Jia-Mian Hu, Tiannan Yang, Kasra Momeni, Xiaoxing Cheng, Lei Chen, Shiming Lei, Shujun Zhang, Susan Trolier-McKinstry, Venkatraman Gopalan, Gregory P Carman, Cewen Nan, Long-Qing Chen, Fast Magnetic Domain-Wall Motion in a Ring-Shaped Nanowire Driven by a Voltage, Nano Letters, DOI: 10.1021/acs.nanolett.5b05046

      13. Man-Rong Li, Maria Retuerto, Peter W. Stephens, Mark Croft, Santu Baidya, Tanusri Saha-Dasgupta, Denis Sheptyakov, Vladimir Pomjakushin, Zheng Deng, Hirofumi Akamatsu, Venkatraman Gopalan, Javier Sánchez-Benítez, Felix O. Saouma, Joon I. Jang, David Walker, Martha Greenblatt, Unprecedented low-temperature cationic rearrangement in a bulk metal oxideAngewandte Chemie, (2016). 10.1002/ange.201511360

      14. Subhasis Chaudhuri, Justin R Sparks, Xiaoyu Ji, Mahesh Krishnamurthi, Li Shen, Noel Healy, Anna C Peacock, Venkatraman Gopalan, John V Badding, Crystalline Silicon Optical Fibers with Low Optical LossACS Photonics, 3 (3), 378–384, (2016).DOI: 10.1021/acsphotonics.5b00434

      15. Ran Gao, Yongqi Dong, Han Xu, Hua Zhou, Yakun Yuan, Venkatraman Gopalan, Chen Gao, Dillon D Fong, Zuhuang Chen, Zhenlin Luo, Lane W Martin, Interfacial Octahedral Rotation Mismatch Control of the Symmetry and Properties of SrRuO3ACS Appl. Mater. Interfaces, 2016, 8 (23), pp 14871–14878 DOI: 10.1021/acsami.6b02864

      16. Ryan C. Haislmaier, Roman Engel-Herbert & Venkatraman Gopalan, Stoichiometry as key to strain-enabled ferroelectricity in compressively strained SrTiO3 thin filmsAppl. Phys. Lett. 109, 032901 (2016). http://dx.doi.org/10.1063/1.4959077

      17. L. M. Garten, M. Burch, A. Sen Gupta, R. Haislmaier, P. Lam, D. Harris, V. Gopalan, E.C. Dickey, J.-P. Maria, and S. Trolier-McKinstry, Relaxor Ferroelectric Behavior in Barium Strontium TitanateJournal of the American Ceramics Society (2016). DOI: 10.1111/jace.14109

      18. D. Lee, V. Gopalan, S. R. Phillpot, Depinning of the ferroelectric domain wall in congruent LiNbO3Appl. Phys. Lett. 109, 082905 (2016). http://dx.doi.org/10.1063/1.4961614

      19. S. Lei, T-Y. Koo, W. Cao, E. A. Eliseev, A. N. Morozovska, S-W. Cheong, V. Gopalan, Quantitative lateral and vertical piezoresponse force microscopy on a PbTiO3 single crystalJ. Appl. Phys. 120, 124106 (2016). http://dx.doi.org/10.1063/1.4963750

      20. Tianqi Wang, Krishna Chaitanya Pitike, Yakun Yuan, Serge M. Nakhmanson, Venkatraman Gopalan, and Bharat Jalan, Chemistry, growth kinetics, and epitaxial stabilization of Sn2+ in Sn-doped SrTiO3 using (CH3)6Sn2 tin precursorAPL Materials, http://aip.scitation.org/doi/full/10.1063/1.4972995

      21. D. Mukherjee, G. Stone, K. Wang, V. Gopalan, N. Alem, Aberration corrected STEM imaging of domains walls in LiNbO3Proceedings of Microscopy and Microanalysis, 22, Supplement S3, 914-915 (2016). http://dx.doi.org/10.1017/S1431927616005419

      22. X. Ji, R. L. Page, V. Gopalan, Design of next generation mid-infrared multimaterial fiber opticsProceedings of the COMSOL conference, Boston, October (2016).

      2015

      1. Brian K. VanLeeuwen, V. Gopalan, Antisymmetry of DistortionsNature Communications, 6, 8818 (2015) doi:10.1038/ncomms9818

      2. B. K. VanLeeuwen, P. V. De Jesus, D. B. Litvin, and V. Gopalan, Affine and Euclidean normalizers of the subperiodic groupsActa Cryst. A71, 150-160 (2015). doi: 10.1107/S2053273314024395

      3. Lei Zhang, Yuanjun Zhou, Lu Guo, Weiwei Zhao, Anna Barnes, Haitian Zhang, Craig Eaton, Hamna F. Haneef, Nikolas J. Podraza, Moses H. W. Chan, Venkatraman Gopalan, Karin M. Rabe, Roman Engel-Herbert, Correlated metals as transparent conductorsNature Materials, (2015). doi:10.1038/nmat4493

      4. Takeshi Yajima, Fumitaka Takeiri, Kohei Aidzu, Hirofumi Akamatsu, Koji Fujita, Masatoshi Ohkura, Wataru Yoshimune, Shiming Lei, Venkatraman Gopalan, Katsuhisa Tanaka, C. M. Brown, Mark A. Green, Takafumi Yamamoto, Yoji Kobayashi, and Hiroshi Kageyama, A labile hydride strategy to synthesize heavily nitrided BaTiO3, Nature Chemistry, 7, 1017-1023 (2015). doi:10.1038/nchem.2370

      5. A. N. Morozovska, V. V. Khist, M. D. Glinchuk, V. Gopalan, E. A. Eliseev, Linear antidistortive-antiferromagnetic effect in multiferroics: physical manifestationsPhys. Rev. B. 92, 054421 (2015). 10.1103/PhysRevB.92.054421

      6. M-R. Li, M. Croft, P. W. Stephens, M. Ye, D. Vanderbilt, M. Retuerto, Z. Deng, C. P. Grams, J. Hemberger, J. Hadermann, W-M. Li, C-Q. Jin, F. O. Saouma, J. I. Jang, H. Akamatsu, V. Gopalan, D. Walker, M. Greenblatt, Mn2FeWO6: a new Ni3TeO6-type polar and magnetic oxideAdvanced Materials, 28, 2098, (2015).  doi: 10.1002/adma.201405244

      7. E. A. Eliseev, M. D. Glinchuk, V. Gopalan, A. N. Morozovska, Rotomagnetic coupling influence on the magnetic properties of antiferrodistortive antiferromagnetsJournal of Applied Physics, 118, 144101 (2015). http://dx.doi.org/10.1063/1.4932211

      8. P. Wu, X. Ma, Y. Li, C-B. Eom, D. G. Schlom, V. Gopalan, L-Q. Chen, Influence of interface coherency on ferroelectric switching of superlattice BaTiO3/SrTiO3Appl. Phys. Lett. 107, 122906 (2015). http://dx.doi.org/10.1063/1.4931129

      9. V. Gopalan, B. VanLeeuwen, A topological approach to creating any pulli kolam, an artform from southern IndiaForma 30, 35-41 (2015).  http://arxiv.org/abs/1503.02130

      2014

        1. B. K. VanLeeuwen, V. Gopalan and D. B. Litvin, Double antisymmetry and the rotation-reversal space groupsActa Cryst. A 70, 24 (2014). article

        2. Darrell G. Schlom, Long-Qing Chen, Craig J. Fennie, Venkatraman Gopalan, David A. Muller, Xiaoqing Pan, Ramamoorthy Ramesh and Reinhard Uecker, Elastic strain engineering of ferroic oxidesMRS Bulletin 39, 118 (2014). article

        3. Tom T.A. Lummen, Yijia Gu, Jianjun Wang, Shiming Lei, Fei Xue, Amit Kumar, Andrew T. Barnes, Eftihia Barnes, Sava Denev, Alex Belianinov, Martin Holt, Anna N. Morozovska, Sergei V. Kalinin, Long-Qing Chen & Venkatraman Gopalan, Thermotropic phase boundaries in classic ferroelectricsNature Communications 5:3172 (2014). article

        4. H. Akamatsu, K. Fujita, T. Kuge, A. S. Gupta, A. Togo, S. Lei, F. Xue, G. Stone, J. M. Rondinelli, L. Q. Chen, I. Tanaka, V. Gopalan, K. Tanaka, Inversion symmetry breaking by oxygen octahedral rotations in Ruddlesden-Popper NaRTiO4 familyPhys. Rev. Lett.112, 187602 (2014). article

        5. X. Ji, B.G. Zhang, M. Krishnamurthi, J. Badding, V. Gopalan, Mid-infrared spectroscopic imaging enabled by an array of Ge-filled waveguides in a microstructured optical fiber probeOptics Express 22, 28459-28466 (2014). article

        6. L. Hong, P. P. Wu, Y. L. Li, V. Gopalan, C. B. Eom, D. G. Schlom, L. Q.Chen, Piezoelectric enhancement of (PbTiO3)m/(BaTiO3)n ferroelectric superlattices through domain engineeringPhys. Rev. B. 90, 174111 (2014). article

        7. Yijia Gu, Fei Xue, Shiming Lei, Tom T. A. Lummen, Jianjun Wang, Venkatraman Gopalan, and Long-Qing Chen, Monoclinic phase arising across thermal inter-ferroelectric phase transitionsPhys. Rev. B. 90, 024104 (2014). article

        8. M. Huang, B. K. VanLeeuwen, D. B. Litvin, V. Gopalan, Crystallographic data of double antisymmetry space groupsActa Crystallographica A70, 373-381 (2014). article

        9. Yijia Gu, Menglei Li, Anna N. Morozovska, Yi Wang, Eugene A. Eliseev, V. Gopalan, and Long-Qing Chen, Flexoelectricity and ferroelectric domain wall structures: Phase-field modeling and DFT calculationsPhys. Rev. B. 89, 174111 (2014). article

        10. N. Shukla, A.Parihar, E. Freeman, H. Paik, G. Stone, V.Narayanan, H. Wen, Z. Cai, V. Gopalan, R. Engel-Herbert, D.G. Schlom, A. K. Raychowdhury, S. Datta, Synchronized charged oscillations in correlated electron systemsScientific Reports 4, 4964 (2014). article

        11. Maya D. Glinchuk, Eugene A. Eliseev, Yijia Gu, Long-Qing Chen, Venkatraman Gopalan, and Anna N. Morozovska, Electric-field induced ferromagnetic phase in paraelectric antiferromagnetsPhys. Rev. B 89, 014112 . article

        12. A. SenGupta, Oriol Arteaga, Ryan Haislmaier, Bart Kahr, Venkatraman Gopalan, Reinvestigation of Electric Field Induced Optical Activity in -Quartz: Application of a Polarimeter with Four Photoelastic ModulatorsChirality 26, 430-433 (2014) DOI: 10.1002/chir.22262.

        13. S. Lei, E. A. Eliseev, A. N. Morozovska, R. C. Haislmaier, T. T. A. Lummen, W. Cao, S. V. Kalinin, V. Gopalan, Reply to “Comment on ‘Origin of piezoelectric response under a biased scanning probe microscopy tip across a 180 degree ferroelectric domain wallPhys. Rev. B, 89, 226102 (2014). Doi: 10.1103/PhysRevB.89.226102

        2013

        1. Justin R. Sparks, Pier J.A. Sazio, Venkatraman Gopalan and John V. Badding, Templated Chemically Deposited Semiconductor Optical Fiber MaterialsAnnual Review of Materials Research 43: 527-557 (2013). article 

        2. Che-Hui Lee, Nathan D. Orloff, Turan Birol, Ye Zhu, Veronica Goian, Eduard Rocas, Ryan Haislmaier, Eftihia Vlahos, Julia A. Mundy, Lena F. Kourkoutis, Yuefeng Nie, Michael D. Biegalski, Jingshu Zhang, Margitta Bernhagen, Nicole A. Benedek, Yongsam Kim, Joel D. Brock, Reinhard Uecker, X. X. Xi, Venkatraman Gopalan, Dmitry Nuzhnyy, Stanislav Kamba, David A. Muller, Ichiro Takeuchi, James C. Booth, Craig J. Fennie & Darrell G. Schlom, Exploiting dimensionality and defect mitigation to create tunable microwave dielectricsNature 502, 532− 536(2013). article

        3. Rongrui He, Todd D. Day, Mahesh Krishnamurthi, Justin R. Sparks, Pier J. A. Sazio, Venkatraman Gopalan andJohn V. Badding, Silicon p-i-n Junction FibersAdvanced Materials 25, 1461, (2013). article

        4. Ryan C. Haislmaier, Nikolas J. Podraza, Sava Denev, Alex Melville, Darrell G. Schlom and Venkatraman Gopalan, Large nonlinear optical coefficients in pseudo-tetragonal BiFeO3 thin filmsAppl. Phys. Lett. 103, 031906 (2013). article

        5. Arnab Sen Gupta, Oriol Arteaga, Ryan Haislmaier, Bart Kahr andVenkatraman Gopalan, Reinvestigation of Electric Field-Induced Optical Activity in α-Quartz: Application of a Polarimeter With Four Photoelastic ModulatorsChirality(2013) DOI: 10.1002/chir.22262. article

        6. R. L. Johnson-Wilke, D. Marincel, S. Zhu, M. P. Warusawithana, A. Hatt, J. Sayre, K. T. Delaney, R. Engel-Herbert, C. M. Schleputz, J.-W. Kim, V. Gopalan, N. A. Spaldin, D. G. Schlom, P. J. Ryan, and S. Trolier-McKinstry, Quantification of octahedral rotations in strained LaAlO3 films via synchrotron x-ray diffractionPhys. Rev. B 88, 174101 (2013). article

        7. Haidan Wen, Lu Guo, Eftihia Barnes, June Hyuk Lee, Donald A. Walko, Richard D. Schaller, Jarrett A. Moyer, Rajiv Misra, Yuelin Li, Eric M. Dufresne, Darrell G. Schlom, Venkatraman Gopalan, and John W. Freeland, Structural and electronic recovery pathways of a photoexcited ultrathin VO2 filmPhys. Rev. B 88, 165424 (2013). article

        8. Anna N. Morozovska, Yijia Gu, Victoria V. Khist, Maya D. Glinchuk, Long-Qing Chen, Venkatraman Gopalan, and Eugene A. Eliseev, Low-symmetry monoclinic ferroelectric phase stabilized by oxygen octahedra rotations in strained EuxSr1-xTiO3 thin filmsPhys. Rev. B 87, 134102 (2013). article

        9. Eugene A. Eliseev, Sergei V. Kalinin, Yijia Gu, Maya D. Glinchuk, Victoria Khist, Albina Borisevich, Venkatraman Gopalan, Long-Qing Chen, and Anna N. Morozovska, Universal emergence of spatially modulated structures induced by flexoantiferrodistortive coupling in multiferroicsPhys. Rev. B 88, 224105 (2013). article

        10. Che-Hui Lee, Volodymyr Skoromets, Michael D. Biegalski, Shiming Lei, Ryan Haislmaier, Margitta Bernhagen, Reinhard Uecker, Xiaoxing Xi, Venkatraman Gopalan, Xavier Marti, Stanislav Kamba, Petr Kuze and Darrell G. Schlom, Effect of stoichiometry on the dielectric properties and soft mode behavior of strained epitaxial SrTiO3 thin films on DyScO3 substratesAppl. Phys. Lett. 102, 082905 (2013). article

        11. Eugene Freeman, Greg Stone, Nikhil Shukla, Hanjong Paik, Jarrett A. Moyer, Zhonghou Cai, Haidan Wen, Roman Engel-Herbert, Darrell G. Schlom, Venkatraman Gopalan and Suman Datta, Nanoscale structural evolution of electrically driven insulator to metal transition in vanadium dioxideAppl. Phys. Lett. 103, 263109 (2013). article

        12. S. Li, L. Zheng, W. Jiang, R. Sahul, V. Gopalan, W. Cao, Characterization of full set of material constants of piezoelectric materials based on ultrasonic method and inverse impedance spectroscopy using only one sampleJ. Appl. Phys., 114, 104505 (2013). http://dx.doi.org/10.1063/1.4821107

        2012

        1. R. He, P. J. A. Sazio, N. Healy, A. C. Peacock, M. Krishnamurthi, V. Gopalan, J. V. Badding, Integration of GHz Bandwidth Semiconductor Devices inside Microstructured Optical FibersNature Photonics, 6, 174-179 2012.article

        2. Neil F. Baril, Rongrui He, Todd D. Day, Justin R. Sparks, Banafsheh Keshavarzi, Mahesh Krishnamurthi, Ali Borhan, V. Gopalan, Anna C. Peacock, Noel Healy, Pier J.A. Sazio, John V. Badding, Confined High Pressure Chemical Deposition of Amorphous Hydrogenated SiliconJ. Am. Chem. Soc. 134, 19-22 2012. article

        3. J. C. Yang, Q. He, S. J. Suresha, C. Y. Kuo, C. Y. Peng, R. C. Haislmaier, M. A. Motyka, G. Sheng, C. Adamo, H. J. Lin, Z. Hu, L. Chang, L. H. Tjeng, E. Arenholz, N. J. Podraza, M. Bernhagen, R. Uecker, D. G. Schlom, V. Gopalan, L. Q. Chen, C. T. Chen, R. Ramesh, and Y. H. Chu, Orthorhombic BiFeO3Phys. Rev. Lett. 109, 247606 (2012). article

        4. P. Wu , X. Ma, Y. Li, V. Gopalan, L-Q. Chen, Dipole spring ferroelectrics in superlattice SrTiO3/BaTiO3 thin films exhibiting constricted hysteresis loopsAppl. Phys. Lett. 100, 092905 2012. article

        5. M. Krishnamurthi, J. Sparks, R. He, I. Temnykh, N. Baril, P. A. Sazio, J. V. Badding, V. Gopalan, Array of tapered semiconductor waveguides in a fiber for infrared image transfer and magnificationOptics Express, 20, 4168-4175 2012. article

        6. Yijia Gu, Karin Rabe, Eric Bousquet, Venkatraman Gopalan, and Long-Qing Chen, Phenomenological Thermodynamic Potential for CaTiO3 Single CrystalPhys. Rev. B, 85, 064117 2012. article

        7. A. Morozovska, E. A. Eliseev, M. D. Glinchuk, V. Gopalan, Interfacial Polarization and pyroelectricity in antiferrodistortive structures induced by a flexoelectric effect and rotostrictionPhys. Rev. B, 85, 094107 2012. article

        8. A. N. Morozovska, E. A. Eliseev, S. V. Kalinin, L-Q. Chen, V. Gopalan, Surface polar states and pyroelectricity in ferroelastics induced by flexo-roto fieldAppl. Phys. Lett. 100, 142902 (2012). article

        9. M. B. Holcomb, S. Polisetty, A. Fraile-Rodriguez, V. Gopalan, R. Ramesh, Investigating Electric Field Control of Magnetism with Neutron Scattering, Nonlinear Optics and Synchrotron X-Ray SpectromicroscopyInternational Journal of Modern Physics B 26, 1230004 (2012). article

        10. Shiming Lei, Eugene A. Eliseev, Anna N. Morozovska, Ryan C. Haislmaier, Tom T. A. Lummen, W. Cao, Sergei V. Kalinin, and Venkatraman Gopalan, Origin of piezoelectric response under a biased scanning probe microscopy tip across a 180° ferroelectric domain wallPhys. Rev. B 86, 134115 (2012). article Erratum: Phys. Rev. B. 87, 179904(E) (2013).

        11. Mahesh Krishnamurthi, Eftihia Barnes, Justin R. Sparks, Rongrui He, Neil F. Baril, Pier J. A. Sazio, John V. Badding and Venkatraman Gopalan, A magnifying fiber element with an array of sub-wavelength Ge/ZnSe pixel waveguides for infrared imagingAppl. Phys. Lett. 101, 021108 (2012). article

        12. Eugene A. Eliseev, Anna N. Morozovska, Yijia Gu, Albina Y. Borisevich, Long-Qing Chen, Venkatraman Gopalan, and Sergei V. Kalinin, Conductivity of twin-domain-wall/surface junctions in ferroelastics: Interplay of deformation potential, octahedral rotations, improper ferroelectricity, and flexoelectric couplingPhys. Rev. B 86, 085416 (2012). article

        13. A. N. Morozovska, E. A. Eliseev, M. D. Glinchuk, Long Qing Chen, S. V. Kalinin & V. Gopalan, Impact of Free Charges on Polarization and Pyroelectricity in Antiferrodistortive Structures and Surfaces Induced by a Flexoelectric EffectFerroelectrics 438, 32-44 (2012). article

        14. Che-Hui Lee, Volodymyr Skoromets, Michael D. Biegalski, Shiming Lei, Ryan Haislmaier, Margitta Bernhagen, Reinhard Uecker, Xiaoxing Xi, Venkatraman Gopalan, Xavier Marti, Stanislav Kamba, Petr Kuze and Darrell G. Schlom, Effect of stoichiometry on the dielectric properties and soft mode behavior of strained epitaxial SrTiO3 thin films on DyScO3 substratesAppl. Phys. Lett. 102, 082905 (2013). article

        2011

        1. V. Gopalan and D. Litvin, Rotation-reversal symmetries in crystals and handed structures, Nature Materials, 3 April 2011. article

        2. S. Harrington, J. Zhai, S. A. Denev, V. Gopalan, H. Wang, Z. Bi, S. A. T. Redfern, S-H. Baek, C.W. Bark, C-B. Eom, Q. X. Jia, M. E. Vickers, J. L. MacManus-Driscoll, Thick lead-free ferroelectric films with high Curie temperatures through nanocomposite-induced strainNature Nanotechnology 6, 491-495 2011. article

        3. S. A. Denev, T. T. A. Lummen, E. Vlahos, V. Gopalan, Probing Ferroelectrics using Optical Second Harmonic GenerationJ. Amer. Cer. Soc. 94[9], 2699-2727 2011. article

        4. R. K. Behera, C-W. Lee, D. Lee, A. N. Morozovska, S. B. Sinnott, A. Asthagiri, V. Gopalan, and S. R. Phillpot, Structure and energetics of 180° domain walls in PbTiO3 by density functional theoryJ. Phys. Condensed Matter, 23, 175902-1/12 2011. article

        5. E. Eliseev, A. M. Morozovska, S. V. Svechnikov, V. Gopalan, V. Ya. Shur, Static conductivity of charged domain walls in uniaxial ferroelectric semiconductorsPhys. Rev. B 83, 235313-1/8 2011. article

        6. J. R. Sparks, R. He, Noel Healy, M. Krishnamurthi, A. C. Peacock, P. J.A. Sazio, V. Gopalan, and J. V. Badding, Zinc Selenide Optical Fibers, Advanced Materials, 23, 1647-1651 2011. article

        7. H. Li, P. Edwards, Z. Zhang, Y. Xu, V. Gopalan, Z. Liu, Characterization of the second-harmonic response of second-order nonlinear probes, J. Opt. Soc. Am. B, 28, 2844-2847 2011. article

        2010 - 1992 Publications