Publications

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2008

Nath, R., Y.-H. Chu, N.A. Polomoff, Ramamoorthy Ramesh, and B.D. Huey."High speed piezoresponse force microscopy: <1 frame per second nanoscale imaging."Applied Physics Letters 93 (2008). DOI
Yu, C., M.L. Scullin, M. Huijben, Ramamoorthy Ramesh, and A. Majumdar."The influence of oxygen deficiency on the thermoelectric properties of strontium titanates."Applied Physics Letters 92 (2008). DOI
Kumar, A., 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, Ramamoorthy Ramesh, R.W. Collins, J.L. Musfeldt, and V. Gopalan."Linear and nonlinear optical properties of BiFeO3."Applied Physics Letters 92 (2008). DOI
Kumar, A., N.J. Podraza, S. Denev, J. Li, L.W. Martin, Y.-H. Chu, Ramamoorthy Ramesh, R.W. Collins, and V. Gopalan."Linear and nonlinear optical properties of multifunctional PbV O3 thin films."Applied Physics Letters 92 (2008). DOI
Chu, Y.H., Q. Zhan, C.-H. Yang, M.P. Cruz, L.W. Martin, T. Zhao, P. Yu, Ramamoorthy Ramesh, P.T. Joseph, I.N. Lin, W. Tian, and D.G. Schlom."Low voltage performance of epitaxial BiFeO3 films on Si substrates through lanthanum substitution."Applied Physics Letters 92 (2008). DOI
Martin, L.W., S.P. Crane, Y.-H. Chu, M.B. Holcomb, M. Gajek, M. Huijben, C.-H. Yang, N. Balke, and Ramamoorthy Ramesh."Multiferroics and magnetoelectrics: Thin films and nanostructures."Journal of Physics Condensed Matter 20 (2008). DOI
Martin, L.W., Y.-H. Chu, M.B. Holcomb, M. Huijben, P. Yu, S.-J. Han, D. Lee, S.X. Wang, and Ramamoorthy Ramesh."Nanoscale control of exchange bias with BiFeO 3 thin films."Nano Letters 8 (2008) 2050-2055. DOI
Ihlefeld, J.F., N.J. Podraza, Z.K. Liu, R.C. Rai, X. Xu, T. Heeg, Y.B. Chen, J. Li, R.W. Collins, J.L. Musfeldt, X.Q. Pan, J. Schubert, Ramamoorthy Ramesh, and D.G. Schlom."Optical band gap of BiFe O3 grown by molecular-beam epitaxy."Applied Physics Letters 92 (2008). DOI
Basu, S.R., L.W. Martin, Y.H. Chu, M. Gajek, Ramamoorthy Ramesh, R.C. Rai, X. Xu, and J.L. Musfeldt."Photoconductivity in BiFeO3 thin films."Applied Physics Letters 92 (2008). DOI
Kalinin, S.V., S. Jesse, B.J. Rodriguez, Y.H. Chu, Ramamoorthy Ramesh, E.A. Eliseev, and A.N. Morozovska."Probing the role of single defects on the thermodynamics of electric-field induced phase transitions."Physical Review Letters 100 (2008). DOI
Jang, H.W., S.H. Baek, D. Ortiz, C.M. Folkman, R.R. Das, Y.H. Chu, J.X. Zhang, V. Vaithyanathan, S. Choudhury, Y.B. Chen, X.Q. Pan, D.G. Schlom, L.Q. Chen, Ramamoorthy Ramesh, and C.B. Eom."Strain tunability of spontaneous polarization and enhanced ferroelectric properties in epitaxial (001) BiFeO3 thin films."IEEE International Symposium on Applications of Ferroelectrics 3 (2008). DOI
Jang, H.W., S.H. Baek, D. Ortiz, C.M. Folkman, R.R. Das, Y.H. Chu, P. Shafer, J.X. Zhang, S. Choudhury, V. Vaithyanathan, Y.B. Chen, D.A. Felker, M.D. Biegalski, M.S. Rzchowski, X.Q. Pan, D.G. Schlom, L.Q. Chen, Ramamoorthy Ramesh, and C.B. Eom."Strain-induced polarization rotation in epitaxial (001) BiFeO3 thin films."Physical Review Letters 101 (2008). DOI
Zhang, L., A. Vasiliev, I.B. Misirlioglu, S.P. Alpay, M. Aindow, and Ramamoorthy Ramesh."Stress relaxation by cation ordering in epitaxial lead zirconate titanate films."Microscopy and Microanalysis 14 (2008) 450-451. DOI
Pörsch, P., M. Kallmayer, T. Eichhorn, G. Jakob, H.J. Elmers, C.A. Jenkins, C. Felser, Ramamoorthy Ramesh, and M. Huth."Suppression of martensitic phase transition at the Ni2 MnGa film surface."Applied Physics Letters 93 (2008). DOI
Yu, C., M.L. Scullin, M. Huijben, Ramamoorthy Ramesh, and A. Majumdar."Thermal conductivity reduction in oxygen-deficient strontium titanates."Applied Physics Letters 92 (2008). DOI
Ramesh, Ramamoorthy."Thin films: Theory leads the way to new devices."Nature Nanotechnology 3 (2008) 7-8. DOI
Ramirez, M.O., M. Krishnamurthi, S. Denev, A. Kumar, S.-Y. Yang, Y.-H. Chu, E. Saiz, J. Seidel, A.P. Pyatakov, A. Bush, D. Viehland, J. Orenstein, Ramamoorthy Ramesh, and V. Gopalan."Two-phonon coupling to the antiferromagnetic phase transition in multiferroic BiFeO3."Applied Physics Letters 92 (2008). DOI

2007

Ihlefeld, J.F., 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 Ramamoorthy Ramesh."Adsorption-controlled molecular-beam epitaxial growth of BiFe O3."Applied Physics Letters 91 (2007). DOI
Yang, S.Y., Q. Zhan, P.L. Yang, M.P. Cruz, Y.H. Chu, Ramamoorthy Ramesh, Y.R. Wu, J. Singh, W. Tian, and D.G. Schlom."+Capacitance-voltage characteristics of BiFe O3 SrTi O3 GaN heteroepitaxial structures."Applied Physics Letters 91 (2007). DOI
Chu, Y.-H., L.W. Martin, M.B. Holcomb, and Ramamoorthy Ramesh."Controlling magnetism with multiferroics."Materials Today 10 (2007) 16-23. DOI
Chu, Y.-H., M.P. Cruz, C.-H. Yang, L.W. Martin, P.-L. Yang, J.-X. Zhang, K. Lee, P. Yu, L.-Q. Chen, and Ramamoorthy Ramesh."Domain control in multiferroic BiFeO3 through substrate vicinality."Advanced Materials 19 (2007) 2662-2666. DOI
Zhang, J.X., Y.L. Li, Y. Wang, Z.K. Liu, L.Q. Chen, Y.H. Chu, F. Zavaliche, and Ramamoorthy Ramesh."Effect of substrate-induced strains on the spontaneous polarization of epitaxial BiFeO3 thin films."Journal of Applied Physics 101 (2007). DOI
Zavaliche, F., T. Zhao, H. Zheng, F. Straub, M.P. Cruz, P.-L. Yang, D. Hao, and Ramamoorthy Ramesh."Electrically assisted magnetic recording in multiferroic nanostructures."Nano Letters 7 (2007) 1586-1590. DOI
Ouyang, J., J. Slusker, I. Levin, D.-M. Kim, C.-B. Eom, Ramamoorthy Ramesh, and A.L. Roytburd."Engineering of self-assembled domain architectures with ultra-high piezoelectric response in epitaxial ferroelectric films."Advanced Functional Materials 17 (2007) 2094-2100. DOI
Tian, W., V. Vaithyanathan, D.G. Schlom, Q. Zhan, S.Y. Yang, Y.H. Chu, and Ramamoorthy Ramesh."Epitaxial integration of (0001) BiFe O3 with (0001) GaN."Applied Physics Letters 90 (2007). DOI