Publications

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Journal Article
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.
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.
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.
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).
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.
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.
Ganpule, C.S., V. Nagarajan, B.K. Hill, A.L. Roytburd, E.D. Williams, Ramamoorthy Ramesh, S.P. Alpay, A. Roelofs, R. Waser, and L.M. Eng. "Imaging three-dimensional polarization in epitaxial polydomain ferroelectric thin films." Journal of Applied Physics 91 (2002) 1477-1481.
Tiedke, S., T. Schmitz, K. Prume, A. Roelofs, T. Schneller, U. Kall, R. Waser, C.S. Ganpule, V. Nagarajan, A. Stanishevsky, and Ramamoorthy Ramesh. "Direct hysteresis measurements of single nanosized ferroelectric capacitors contacted with an atomic force microscope." Applied Physics Letters 79 (2001) 3678-3680.
Roelofs, A., N.A. Pertsev, R. Waser, F. Schlaphof, L.M. Eng, C. Ganpule, V. Nagarajan, and Ramamoorthy Ramesh. "Depolarizing-field-mediated 180° switching in ferroelectric thin films with 90° domains." Applied Physics Letters 80 (2002) 1424-1426.