Publications
2009
Seidel, J., L.W. Martin, Q. He, Q. Zhan, Y.-H. Chu, A. Rother, M.E. Hawkridge, P. Maksymovych, P. Yu, M. Gajek, N. Balke, S.V. Kalinin, S. Gemming, F. Wang, G. Catalan, J.F. Scott, N.A. Spaldin, J. Orenstein, and Ramamoorthy Ramesh."Conduction at domain walls in oxide multiferroics."Nature Materials
8 (2009) 229-234. DOI
Yang, C.-H., J. Seidel, S.Y. Kim, P.B. Rossen, P. Yu, M. Gajek, Y.H. Chu, L.W. Martin, M.B. Holcomb, Q. He, P. Maksymovych, N. Balke, S.V. Kalinin, A.P. Baddorf, S.R. Basu, M.L. Scullin, and Ramamoorthy Ramesh."Electric modulation of conduction in multiferroic Ca-doped BiFeO 3 films."Nature Materials
8 (2009) 485-493. DOI
Chu, Y.-H., Q. He, C.-H. Yang, P. Yu, L.W. Martin, P. Shafer, and Ramamoorthy Ramesh."Nanoscale control of domain architectures in BiFeO 3 thin films."Nano Letters
9 (2009) 1726-1730. DOI
Huang, C.W., L. Chen, J. Wang, Q. He, S.Y. Yang, Y.H. Chu, and Ramamoorthy Ramesh."Phenomenological analysis of domain width in rhombohedral BiFeO3 films."Physical Review B - Condensed Matter and Materials Physics
80 (2009). DOI
Zeches, R.J., M.D. Rossell, J.X. Zhang, A.J. Hatt, Q. He, C.-H. Yang, A. Kumar, C.H. Wang, A. Melville, C. Adamo, G. Sheng, Y.-H. Chu, J.F. Ihlefeld, R. Erni, C. Ederer, V. Gopalan, L.Q. Chen, D.G. Schldin, N.A. Spaldin, L.W. Martin, and Ramamoorthy Ramesh."A strain-driven morphotropic phase boundary in bifeO3."Science
326 (2009) 977-980. DOI
2008
Chu, Y.-H., L.W. Martin, M.B. Holcomb, M. Gajek, S.-J. Han, Q. He, N. Balke, C.-H. Yang, D. Lee, W. Hu, Q. Zhan, P.-L. Yang, A. Fraile-Rodríguez, A. Scholl, S.X. Wang, and Ramamoorthy Ramesh."Electric-field control of local ferromagnetism using a magnetoelectric multiferroic (Nature Materials (2008) 7, (478-482))."Nature Materials
7 (2008) 678. DOI
Chu, Y.-H., L.W. Martin, M.B. Holcomb, M. Gajek, S.-J. Han, Q. He, N. Balke, C.-H. Yang, D. Lee, W. Hu, Q. Zhan, P.-L. Yang, A. Fraile-Rodríguez, A. Scholl, S.X. Wang, and Ramamoorthy Ramesh."Electric-field control of local ferromagnetism using a magnetoelectric multiferroic."Nature Materials
7 (2008) 478-482. DOI
2007
Cruz, M.P., Y.H. Chu, J.X. Zhang, P.L. Yang, F. Zavaliche, Q. He, P. Shafer, L.Q. Chen, and Ramamoorthy Ramesh."Strain control of domain-wall stability in epitaxial BiFeO3 (110) films."Physical Review Letters
99 (2007). DOI
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. DOI
2006
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). DOI
1993
Huang, C.W., Y.H. Chu, Z.H. Chen, J. Wang, T. Sritharan, L. Chen, Q. He, and Ramamoorthy Ramesh."Strain-driven phase transitions and associated dielectric/piezoelectric anomalies in BiFeO3 thin films."IEEE Transactions on Information Theory
39 (1993) 1049-1053. DOI