Publications

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2007
Jia, C.-L., V. Nagarajan, J.-Q. He, L. Houben, T. Zhao, Ramamoorthy Ramesh, K. Urban, and R. Waser. "Unit-cell scale mapping of ferroelectricity and tetragonality in epitaxial ultrathin ferroelectric films." Nature Materials 6 (2007) 64-69.
2006
Nagarajan, V., A. Stanishevsky, and Ramamoorthy Ramesh. "Ferroelectric nanostructures via a modified focused ion beam technique." Nanotechnology 17 (2006) 338-343.
Nagarajan, V., J. Junquera, J.Q. He, C.L. Jia, R. Waser, K. Lee, Y.K. Kim, Sunhee Baik, T. Zhao, Ramamoorthy Ramesh, Ph. Ghosez, and K.M. Rabe. "Scaling of structure and electrical properties in ultrathin epitaxial ferroelectric heterostructures." Journal of Applied Physics 100 (2006).
Petraru, A., V. Nagarajan, H. Kohlstedt, Ramamoorthy Ramesh, D.G. Schlom, and R. Waser. "Simultaneous measurement of the piezoelectric and dielectric response of nanoscale ferroelectric capacitors by an atomic force microscopy based approach." Applied Physics A: Materials Science and Processing 84 (2006) 67-71.
Kim, D.M., C.B. Eom, V. Nagarajan, J. Ouyang, Ramamoorthy Ramesh, V. Vaithyanathan, and D.G. Schlom. "Thickness dependence of structural and piezoelectric properties of epitaxial Pb(Zr 0.52Ti 0.48)O 3 films on Si and SrTiO 3 substrates." Applied Physics Letters 88 (2006).
2005
Yang, S., B. Liu, J. Ouyang, V. Nagarajan, V.N. Kulkarni, Ramamoorthy Ramesh, J. Kidder, R. Droopad, and K. Eisenbeiser. "Epitaxial Pb(Zr,Ti)O 3 capacitors on Si by liquid delivery metalorganic chemical vapor deposition." Journal of Electroceramics 14 (2005) 37-44.
Nagarajan, V., C.L. Jia, H. Kohlstedt, R. Waser, I.B. Misirlioglu, S.P. Alpay, and Ramamoorthy Ramesh. "Misfit dislocations in nanoscale ferroelectric heterostructures." Applied Physics Letters 86 (2005) 1-3.
Nagarajan, V., S. Aggarwal, A. Gruverman, Ramamoorthy Ramesh, and R. Waser. "Nanoscale polarization relaxation in a polycrystalline ferroelectric thin film: Role of local environments." Applied Physics Letters 86 (2005) 1-3.
2004
Alpay, S.P., I.B. Misirlioglu, V. Nagarajan, and Ramamoorthy Ramesh. "Can interface dislocations degrade ferroelectric properties?." Applied Physics Letters 85 (2004) 2044-2046.
Li, J.-H., L. Chen, V. Nagarajan, Ramamoorthy Ramesh, and A.L. Roytburd. "Finite element modeling of piezoresponse in nanostructured ferroelectric films." Applied Physics Letters 84 (2004) 2626-2628.
Chen, L., J. Ouyang, C.S. Ganpule, V. Nagarajan, Ramamoorthy Ramesh, and A.L. Roytburd. "Formation of 90° elastic domains during local 180° switching in epitaxial ferroelectric thin films." Applied Physics Letters 84 (2004) 254-256.
Prasertchoung, S., V. Nagarajan, Z. Ma, Ramamoorthy Ramesh, J.S. Cross, and M. Tsukada. "Polarization switching of submicron ferroelectric capacitors using an atomic force microscope." Applied Physics Letters 84 (2004) 3130-3132.
Nagarajan, V., S. Prasertchoung, T. Zhao, H. Zheng, J. Ouyang, Ramamoorthy Ramesh, W. Tian, X.Q. Pan, D.M. Kim, C.B. Eom, H. Kohlstedt, and R. Waser. "Size effects in ultrathin epitaxial ferroelectric heterostructures." Applied Physics Letters 84 (2004) 5225-5227.
2003
Maki, K., B.T. Liu, H. Vu, V. Nagarajan, Ramamoorthy Ramesh, Y. Fujimori, T. Nakamura, and H. Takasu. "Controlling crystallization of Pb(Zr,Ti)O3 thin films on IrO2 electrodes at low temperature through interface engineering." Applied Physics Letters 82 (2003) 1263-1265.
Nagarajan, V., A. Roytburd, A. Stanishevsky, S. Prasertchoung, T. Zhao, L. Chen, J. Melngailis, O. Auciello, and Ramamoorthy Ramesh. "Dynamics of ferroelastic domains in ferroelectric thin films." Nature Materials 2 (2003) 43-47.
Liang, H.Y., I.I. Smolyaninov, J. Li, V. Nagarajan, Ramamoorthy Ramesh, C.C. Davis, and C.H. Lee. "Electric field induced SHG in PZT thin films studied using near-field scanning optical microscopy." OSA Trends in Optics and Photonics Series. Vol. 88. Optical Society of American (OSA), 2003. 1685-1686.
Wang, J., J.B. Neaton, H. Zheng, V. Nagarajan, S.B. Ogale, B. Liu, D. Viehland, V. Vaithyanathan, D.G. Schlom, U.V. Waghmare, N.A. Spaldin, K.M. Rabe, M. Wuttig, and Ramamoorthy Ramesh. "Epitaxial BiFeO3 multiferroic thin film heterostructures." Science 299 (2003) 1719-1722.
Schrott, A.G., J.A. Misewich, Ramamoorthy Ramesh, and V. Nagarajan. "Ferroelectric field effect device." Materials Research Society Symposium - Proceedings. Ed. D., Ginley, Guha S., Carter S., Chambers S.A., Droopad R., Hosono H., Paine D.C., Schlom D.G., and Tate J. Vol. 747. 2003. 287-292.
Schrott, A.G., J.A. Misewich, V. Nagarajan, and Ramamoorthy Ramesh. "Ferroelectric field-effect transistor with a SrRuxTi1-xO3 channel." Applied Physics Letters 82 (2003) 4770-4772.
Luo, Y., I. Szafraniak, V. Nagarajan, R.B. Wehrspohn, M. Steinhart, J.H. Wendorff, N.D. Zakharov, Ramamoorthy Ramesh, and M. Alexe. "Ferroelectric lead zirconate titanate and barium titanate nanoshell tubes." Materials Research Society Symposium - Proceedings. Ed. D.A., LaFan, Ayon A.A., Madou M.J., and McNie M.E. Vol. 782. 2003. 415-420.
Luo, Y., I. Szafraniak, V. Nagarajan, R.B. Wehrspohn, M. Steinhart, J.H. Wendorff, N.D. Zakharov, Ramamoorthy Ramesh, and M. Alexe. "Ferroelectric lead zirconate titanate and barium titanate nanotubes." Integrated Ferroelectrics. Vol. 59. 2003. 1513-1520.
Morrison, F.D., Y. Luo, I. Szafraniak, V. Nagarajan, R.B. Wehrspohn, M. Steinhart, J.H. Wendorff, N.D. Zakharov, E.D. Mishina, K.A. Vorotilov, A.S. Sigov, S. Nakabayashi, M. Alexe, Ramamoorthy Ramesh, and J.F. Scott. "Ferroelectric nanotubes." Reviews on Advanced Materials Science 4 (2003) 114-122.
Steinhart, M., Y. Luo, M. Alexe, Z. Jia, A.K. Schaper, R.B. Wehrspohn, J.H. Wendorff, V. Nagarajan, Ramamoorthy Ramesh, and U. Gösele. "Functionalized nanotubes by wetting of porous templates." VDI Berichte (2003) 161-164.
Luo, Y., I. Szafraniak, N.D. Zakharov, V. Nagarajan, M. Steinhart, R.B. Wehrspohn, J.H. Wendorff, Ramamoorthy Ramesh, and M. Alexe. "Nanoshell tubes of ferroelectric lead zirconate titanate and barium titanate." Applied Physics Letters 83 (2003) 440-442.
Chen, L., V. Nagarajan, Ramamoorthy Ramesh, and A.L. Roytburd. "Nonlinear electric field dependence of piezoresponse in epitaxial ferroelectric lead zirconate titanate thin films." Journal of Applied Physics 94 (2003) 5147-5152.

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