Publications

2008

Rodriguez, B.J, Y.H Chu, Ramamoorthy Ramesh, and S.V Kalinin."Ferroelectric domain wall pinning at a bicrystal grain boundary in bismuth ferrite."Applied Physics Letters 93 (2008). DOI
Jenkins, C.A, Ramamoorthy Ramesh, M Huth, T Eichhorn, P Pörsch, H.J Elmers, and G Jakob."Growth and magnetic control of twinning structure in thin films of Heusler shape memory compound Ni2 MnGa."Applied Physics Letters 93 (2008). DOI
Nath, R, N Polomoff, J Bosse, Y.H Chu, Ramamoorthy Ramesh, and B.D Huey."High speed piezo force microscopy: Nanoscale and nanosecond direct observations of domain switching."IEEE International Symposium on Applications of Ferroelectrics 1 (2008). DOI
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
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."The influence of oxygen deficiency on the thermoelectric properties of strontium titanates."Applied Physics Letters 92 (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

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
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
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