Publications

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Journal Article
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.
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.
Ouyang, J., Ramamoorthy Ramesh, and A.L. Roytburd. "Theoretical predictions for the intrinsic converse longitudinal piezoelectric constants of lead zirconate titanate epitaxial films." Advanced Engineering Materials 7 (2005) 229-232.
Ouyang, J., Ramamoorthy Ramesh, and A.L. Roytburd. "Theoretical investigation of the intrinsic piezoelectric properties for tetragonal BaTiO 3 epitaxial films." Applied Surface Science 252 (2006) 3394-3400.
Li, J., I. Levin, J. Slutsker, V. Provenzano, P.K. Schenck, Ramamoorthy Ramesh, J. Ouyang, and A.L. Roytburd. "Self-assembled multiferroic nanostructures in the Co Fe 2 O 4 -PbTi O 3 system." Applied Physics Letters 87 (2005).
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.
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.
Alpay, S.P., A.S. Prakash, S. Aggarwal, P. Shuk, M. Greenblatt, Ramamoorthy Ramesh, and A.L. Roytburd. "Polydomain formation in epitaxial PbTiO3 films." Scripta Materialia 39 (1998) 1435-1441.
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.
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.
Ouyang, J., D.M. Kim, C.B. Eom, Ramamoorthy Ramesh, and A.L. Roytburd. "Orientation dependence of the intrinsic converse longitudinal piezoelectric constant for 0.67Pb(Mg1/3Nb2/3)O3-0. 33PbTiO3 ferroelectric films with a rhombohedral structure." Smart Materials and Structures 14 (2005) 524-528.
Ouyang, J., S.Y. Yang, L. Chen, Ramamoorthy Ramesh, and A.L. Roytburd. "Orientation dependence of the converse piezoelectric constants for epitaxial single domain ferroelectric films." Applied Physics Letters 85 (2004) 278-280.
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.
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.
Ouyang, J., Ramamoorthy Ramesh, and A.L. Roytburd. "Intrinsic effective piezoelectric coefficient e 31,f for ferroelectric thin films." 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.
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.
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.
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.
Alpay, S.P., Ramamoorthy Ramesh, and A.L. Roytburd. "Effect of uniaxial stress fields on the domain selection of epitaxial ferroelectric films." Ferroelectrics 221 (1999) 245-250.
Alpay, S.P., V. Nagarajan, L.A. Bendersky, M.D. Vaudin, S. Aggarwal, Ramamoorthy Ramesh, and A.L. Roytburd. "Effect of the electrode layer on the polydomain structure of epitaxial PbZr0.2Ti0.8O3 thin films." Journal of Applied Physics 85 (1999) 3271-3277.
Nagarajan, V., C.S. Ganpule, B. Nagaraj, S. Aggarwal, S.P. Alpay, A.L. Roytburd, E.D. Williams, and Ramamoorthy Ramesh. "Effect of mechanical constraint on the dielectric and piezoelectric behavior of epitaxial Pb(Mg1/3Nb2/3)O3(90%)-PbTiO3(10%) relaxor thin films." Applied Physics Letters 75 (1999) 4183-4185.
Ma, Z., F. Zavaliche, L. Chen, J. Ouyang, J. Melngailis, A.L. Roytburd, V. Vaithyanathan, D.G. Schlom, T. Zhao, and Ramamoorthy Ramesh. "Effect of 90° domain movement on the piezoelectric response of patterned PbZr 0.2 Ti 0.8 O 3 SrTiO 3 Si heterostructures." Applied Physics Letters 87 (2005).
Ganpule, C.S., V. Nagarajan, S.B. Ogale, A.L. Roytburd, E.D. Williams, and Ramamoorthy Ramesh. "Domain nucleation and relaxation kinetics in ferroelectric thin films." Applied Physics Letters 77 (2000) 3275-3277.
Canedy, C.L., H. Li, S.P. Alpay, L. Salamanca-Riba, A.L. Roytburd, and Ramamoorthy Ramesh. "Dielectric properties in heteroepitaxial Ba0.6Sr0.4TiO3 thin films: Effect of internal stresses and dislocation-type defects." Applied Physics Letters 77 (2000) 1695-1697.

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