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Nagarajan (Nagy) Valanoor
Senior Lecturer
School of Materials Science and Engineering
University of New South Wales
NSW 2052, Australia
Education
- BE (Materials Engineering), University of Pune, 1997
- PhD (Materials Science), University of Maryland, 2001
Recent Appointments
- Lecturer, Department of Materials Engineering, University of New South Wales (2005 - current)
- Alexander von Humboldt Research Fellow, Forschungszentrum Juelich, (2003- 2005)
- Research Associate, University of Maryland (2001-2003)
Visiting Appointments
- Visiting Scientist, University of Maryland, July 2005
Research Interests
- Ultra-Thin (sub-10 nm) films of polar oxides
- Ferroelectrics and Multiferroics
- Thin Film Epitaxy
- Functional Scanned Probe Microscopy
Teaching Areas
- Diffusion and Kinetics
- Materials Design
- Solid State Chemistry
- Nanotechnology
- Nanofabrication
Professional Memberships
- Member of Materials Research Society and American Physical Society
Selected Publications
- Piezoelectric and dielectric tunabilities of ultra-thin ferroelectric heterostructures", S. Zhong, S. P. Alpay and V. Nagarajan, Journal of Materials Research, 21, 1600-1606 (2006)
- Scaling of the piezoelectric response in ferroelectric nanostructures: An effective stress model.", V. Nagarajan, Applied Physics Letters, 87, 242905 (2005)
- Size effects in ultra-thin epitaxial ferroelectric heterostructures", V. Nagarajan, T. Zhao, J. Ouyang, H. Zheng, W. Tian, X. Pan, D.-M. Kim, C. B. Eom, H. Kohlstedt, R. Waser and R. Ramesh., Applied Physics Letters, 84, 5225-5227(2004)
- Misfit dislocations in nanoscale ferroelectric heterostructures", V. Nagarajan, C.-L. Jia, H. Kohlstedt, R. Waser, S. B. Misirlioglui, S. P. Alpay and R. Ramesh, Applied Physics Letters, 86, 192910-192912 (2005).
- Epitaxial BiFeO3 Multiferroic Thin Film Heterostructures.", J. Wang, 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 R. Ramesh, Science, 299,1719-1722(2003)
- Dynamics of ferroelastic domains in ferroelectric thin films", V. Nagarajan, A. Stanishevsky, S.Prasertchoung, T. Zhao, L.Chen, J. Melngailis, A. Roytburd and R. Ramesh, Nature Materials , 43-47 (2003):
- Thickness dependence of structural and electrical properties in epitaxial lead zirconate titanate films", V. Nagarajan, I.G. Jenkins, S. P. Alpay, H. Li, S. Aggarwal, L. Salamanca-Riba, A. L. Roytburd and R.Ramesh, Journal of Applied Physics 86, 595(1999)
- Polarization relaxation kinetics and 180 degrees domain wall dynamics in ferroelectric thin films", C. S. Ganpule, A.L. Roytburd, V. Nagarajan, B. K. Hill, S. Ogale, R. Ramesh, E.D. Williams and J. F. Scott, Physical Review B , 65, 014101 (2002)
- Role of substrate on the dielectric and piezoelectric behavior of epitaxial lead magnesium niobate-lead titanate relaxor thin films", V. Nagarajan, S. P. Alpay, C. S. Ganpule, B. Nagaraj, S. Aggarwal, E. D. Williams, A. L. Roytburd and R. Ramesh, Applied Physics Letters 77, 438-440 (2000)
- Measurement of internal stresses via the polarization in epitaxial ferroelectric films", A. L. Roytburd, S. P. Alpay, V. Nagarajan, C. S. Ganpule, S. Aggarwal, E. D. Williams, R. Ramesh , Physical Review Letters 85,190(2000)
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