Publications

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2020
Barrozo, P., D.R. Småbråten, Y.-L. Tang, B. Prasad, S. Saremi, R. Ozgur, V. Thakare, R.A. Steinhardt, M.E. Holtz, V.A. Stoica, L.W. Martin, D.G. Schlom, S.M. Selbach, and Ramamoorthy Ramesh. "Defect-Enhanced Polarization Switching in the Improper Ferroelectric LuFeO3." Advanced Materials (2020).
Zhang, Y., C. W Wang, H. Huang, J. Lu, R. Liang, J. F Liu, R. Peng, Q. Zhang, Q. Zhang, J. Wang, L. Gu, X.-F. Han, L.-Q. Chen, Ramamoorthy Ramesh, C.-W. Nan, and J. Zhang. "Deterministic reversal of single magnetic vortex circulation by an electric field." Science Bulletin (2020).
2018
Ramesh, Ramamoorthy. "Defect engineering using crystal symmetry." Proceedings of the National Academy of Sciences of the United States of America 115 (2018) 9344-9346.
2017
Khan, A.I., M. Hoffmann, K. Chatterjee, Z. Lu, R. Xu, C. Serrao, S. Smith, L.W. Martin, C. Hu, Ramamoorthy Ramesh, and S. Salahuddin. "Differential voltage amplification from ferroelectric negative capacitance." Applied Physics Letters 111 (2017).
2016
Gao, Ya, Jia-Mian Hu, Christopher T Nelson, T. N Yang, Y. Shen, Long-Qing Chen, Ramamoorthy Ramesh, and C. W Nan. "Dynamic in situ Observation of Voltage-Driven Repeatable Magnetization Reversal at Room Temperature." Scientific Reports 6 (2016).
Gao, Y., J.-M. Hu, C.T. Nelson, T.N. Yang, Y. Shen, L.Q. Chen, Ramamoorthy Ramesh, and C.W. Nan. "Dynamic in situ observation of voltage-driven repeatable magnetization reversal at room temperature." Scientific Reports 6 (2016).
2014
Heron, John T, James L Bosse, Qian He, Ya Gao, Morgan Trassin, Linghan Ye, James D Clarkson, Chuanshou Wang, Jian Liu, Sayeef Salahuddin, Daniel C Ralph, Darrell G Schlom, Jorge Íñiguez, Bryan D Huey, and Ramamoorthy Ramesh. "Deterministic Switching of Ferromagnetism at Room Temperature Using an Electric Field." Nature 516.7531 (2014) 370-373.
Heron, J.T., J.L. Bosse, Q. He, Y. Gao, M. Trassin, L. Ye, J.D. Clarkson, C. W Wang, J. F Liu, S. Salahuddin, D.C. Ralph, D.G. Schlom, J. Íñiguez, B.D. Huey, and Ramamoorthy Ramesh. "Deterministic switching of ferromagnetism at room temperature using an electric field." Nature 516 (2014) 370-373.
2013
Seidel, J., G. Singh-Bhalla, Q. He, S.-Y. Yang, Y.-H. Chu, and Ramamoorthy Ramesh. "Domain wall functionality in BiFeO3." Phase Transitions 86 (2013) 53-66.
2012
Kim, Y.-M., P. Yu, Y.-H. Chu, Ramamoorthy Ramesh, S.J. Pennycook, S.V. Kalinin, and A.Y. Borisevich. "Direct Mapping of Octahedral Tilts in Perovskite Oxide Materials Using Bright Field Scanning Transmission Electron Microscopy." Microscopy and Microanalysis 18 (2012) 420-421.
Catalan, G., J. Seidel, Ramamoorthy Ramesh, and J.F. Scott. "Domain wall nanoelectronics." Reviews of Modern Physics 84 (2012) 119-156.
2011
Kantner, C.L.S., M.C. Langner, W. Siemons, J.L. Blok, G. Koster, A.J.H.M. Rijnders, Ramamoorthy Ramesh, and J. Orenstein. "Determination of the spin-flip time in ferromagnetic SrRuO3 from time-resolved Kerr measurements." Physical Review B - Condensed Matter and Materials Physics 83 (2011).
Wu, C.-L., P.-W. Lee, Y.-C. Chen, L.-Y. Chang, C.-H. Chen, C.-W. Liang, P. Yu, Q. He, Ramamoorthy Ramesh, and Y.-H. Chu. "Direct spectroscopic evidence of charge reversal at the Pb(Zr 0.2Ti0.8)O3/La0.7Sr 0.3MnO3 heterointerface." Physical Review B - Condensed Matter and Materials Physics 83 (2011).
Maksymovych, P., J. Seidel, Y.H. Chu, P. Wu, A.P. Baddorf, L.-Q. Chen, S.V. Kalinin, and Ramamoorthy Ramesh. "Dynamic conductivity of ferroelectric domain walls in BiFeO3." Nano Letters 11 (2011) 1906-1912.
2010
Balke, N., M. Gajek, A.K. Tagantsev, L.W. Martin, Y.-H. Chu, Ramamoorthy Ramesh, and S.V. Kalinin. "Direct observation of capacitor switching using planar electrodes." Advanced Functional Materials 20 (2010) 3466-3475.
Seidel, J., P. Maksymovych, Y. Batra, A. Katan, S.-Y. Yang, Q. He, A.P. Baddorf, S.V. Kalinin, C.-H. Yang, J.-C. Yang, Y.-H. Chu, E.K.H. Salje, H. Wormeester, M. Salmeron, and Ramamoorthy Ramesh. "Domain wall conductivity in La-doped BiFeO3." Physical Review Letters 105 (2010).
2009
Maksymovych, P., N. Balke, S. Jesse, M. Huijben, Ramamoorthy Ramesh, A.P. Baddorf, and S.V. Kalinin. "Defect-induced asymmetry of local hysteresis loops on BiFeO3 surfaces." Journal of Materials Science 44 (2009) 5095-5101.
Yuan, G.L., L.W. Martin, Ramamoorthy Ramesh, and A. Uedono. "The dependence of oxygen vacancy distributions in BiFeO3 films on oxygen pressure and substrate." Applied Physics Letters 95 (2009).
Balke, N., S. Choudhury, S. Jesse, M. Huijben, Y.H. Chu, A.P. Baddorf, L.Q. Chen, Ramamoorthy Ramesh, and S.V. Kalinin. "Deterministic control of ferroelastic switching in multiferroic materials." Nature Nanotechnology 4 (2009) 868-875.
Jang, H.W., D. Ortiz, S.-H. Baek, C.M. Folkman, R.R. Das, P. Shafer, Y. H Chen, C.T. Nelson, X. Pan, Ramamoorthy Ramesh, and C.-B. Eom. "Domain engineering for enhanced ferroelectric properties of epitaxial (001) BiFeO thin films." Advanced Materials 21 (2009) 817-823.
2007
Chu, Y.-H., M.P. Cruz, C.-H. Yang, L.W. Martin, P.-L. Yang, J.-X. Zhang, K. Lee, P. Yu, L.-Q. Chen, and Ramamoorthy Ramesh. "Domain control in multiferroic BiFeO3 through substrate vicinality." Advanced Materials 19 (2007) 2662-2666.
2006
Misirlioglu, I.B., A.L. Vasiliev, S.P. Alpay, M. Aindow, and Ramamoorthy Ramesh. "Defect microstructures in epitaxial PbZr0.2Ti 0.8O3 films grown on (001) SrTiO3 by pulsed laser deposition." Journal of Materials Science 41 (2006) 697-707.
2004
Li, J., J. Wang, M. Wuttig, Ramamoorthy Ramesh, N. Wang, B. Ruette, A.P. Pyatakov, A.K. Zvezdin, and D. Viehland. "Dramatically enhanced polarization in (001), (101), and (111) BiFeO 3 thin films due to epitiaxial-induced transitions." Applied Physics Letters 84 (2004) 5261-5263.
2003
Cho, Y., K. Matsuura, N. Valanoor, and Ramamoorthy Ramesh. "Direct domain wall thickness measurement using scanning nonlinear dielectric microscopy." Ferroelectrics. Vol. 292. 2003. 171-180.
Wolpert, D., K. Korolev, S. Sachs, J. Knab, W. Cox, J. Cerne, A.G. Markelz, T. Zhao, Ramamoorthy Ramesh, and B.H. Moeckly. "Direct measurements of optical phonons in SrTiO3 nanosystems." Physica E: Low-Dimensional Systems and Nanostructures 19 (2003) 236-239.

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