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.
Roytburd, A.L., S.P. Alpay, L.A. Bendersky, V. Nagarajan, and Ramamoorthy Ramesh. "Three-domain architecture of stress-free epitaxial ferroelectric films." Journal of Applied Physics 89 (2001) 553-556.
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).
Nagarajan, V., I.G. Jenkins, S.P. Alpay, H. Li, S. Aggarwal, L. Salamanca-Riba, A.L. Roytburd, and Ramamoorthy Ramesh. "Thickness dependence of structural and electrical properties in epitaxial lead zirconate titanate films." Journal of Applied Physics 86 (1999) 595-602.
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.P. Alpay, C.S. Ganpule, B.K. Nagaraj, S. Aggarwal, E.D. Williams, A.L. Roytburd, and Ramamoorthy Ramesh. "Role of substrate on the dielectric and piezoelectric behavior of epitaxial lead magnesium niobate-lead titanate relaxor thin films." Applied Physics Letters 77 (2000) 438-440.
Ganpule, C.S., V. Nagarajan, H. Li, A.S. Ogale, D.E. Steinhauer, S. Aggarwal, E. Williams, Ramamoorthy Ramesh, and P. De Wolf. "Role of 90° domains in lead zirconate titanate thin films." Applied Physics Letters 77 (2000) 292-294.
Nagarajan, V., A. Stanishevsky, L. Chen, T. Zhao, B.-T. Liu, J. Melngailis, A.L. Roytburd, Ramamoorthy Ramesh, J. Finder, Z. Yu, R. Droopad, and K. Eisenbeiser. "Realizing intrinsic piezoresponse in epitaxial submicron lead zirconate titanate capacitors on Si." Applied Physics Letters 81 (2002) 4215-4217.
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.
Ganpule, C.S., A.L. Roytburd, V. Nagarajan, B.K. Hill, S.B. Ogale, E.D. Williams, Ramamoorthy Ramesh, and J.F. Scott. "Polarization relaxation kinetics and 180° domain wall dynamics in ferroelectric thin films." Physical Review B - Condensed Matter and Materials Physics 65 (2002) 1-7.
Ganpule, C.S., A.L. Roytburd, V. Nagarajan, B.K. Hill, S.B. Ogale, E.D. Williams, Ramamoorthy Ramesh, and J.F. Scott. "Polarization relaxation kinetics and 180° domain wall dynamics in ferroelectric thin films." Physical Review B - Condensed Matter and Materials Physics 65 (2002) 141011-141017.
Schrott, A.G., J.A. Misewich, D.W. Abraham, Ramamoorthy Ramesh, and V. Nagarajan. "Oxide electrodes for buried-channel field effect transistors." Materials Research Society Symposium - Proceedings 666 (2001) F541-F546.
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.
Smolyaninov, I.I., H.Y. Liang, C.H. Lee, C.C. Davis, V. Nagarajan, and Ramamoorthy Ramesh. "Near-field second harmonic imaging of the c/a/c/a polydomain structure of epitaxial PbZrxTi1-xO3 thin films." Journal of Microscopy 202 (2001) 250-254.
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.
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.S. Ganpule, A. Stanishevsky, B.T. Liu, and Ramamoorthy Ramesh. "Nanoscale phenomena in synthetic functional oxide heterostructures." Microscopy and Microanalysis 8 (2002) 333-349.
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.
Roytburd, A.L., S.P. Alpay, V. Nagarajan, C.S. Ganpule, S. Aggarwal, E.D. Williams, and Ramamoorthy Ramesh. "Measurement of internal stresses via the polarization in epitaxial ferroelectric films." Physical Review Letters 85 (2000) 190-193.
Liu, B.T., K. Maki, S. Aggarwal, B. Nagaraj, V. Nagarajan, L. Salamanca-Riba, Ramamoorthy Ramesh, A.M. Dhote, and O. Auciello. "Low-temperature integration of lead-based ferroelectric capacitors on Si with diffusion barrier layer." Applied Physics Letters 80 (2002) 3599-3601.
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.
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.
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.

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