Publications

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Journal Article
Zheng, H., J. Wang, L. Mohaddes-Ardabili, M. Wuttig, L. Salamanca-Riba, D.G. Schlom, and Ramamoorthy Ramesh. "Three-dimensional heteroepitaxy in self-assembled BaTiO 3- CoFe 2O 4 nanostructures." Applied Physics Letters 85 (2004) 2035-2037.
Zheng, H., L. Salamanca-Riba, Ramamoorthy Ramesh, and H. Li. "Suppression of antiphase domain boundary formation in Ba 0.5Sr 0.5TiO 3 films grown on vicinal MgO substrates." Applied Physics Letters 85 (2004) 2905-2907.
Zhan, Q., R. Yu, S.P. Crane, H. Zheng, C. Kisielowski, and Ramamoorthy Ramesh. "Structure and interface chemistry of perovskite-spinel nanocomposite thin films." Applied Physics Letters 89 (2006).
Polking, M.J., J.J. Urban, D.J. Milliron, H. Zheng, E. Chan, M.A. Caldwell, S. Raoux, C.F. Kisielowski, J.W. Ager, Ramamoorthy Ramesh, and A.P. Alivisatos. "Size-dependent polar ordering in colloidal GeTe nanocrystals." Nano Letters 11 (2011) 1147-1152.
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.
Mohaddes-Ardabili, L., H. Zheng, Q. Zhan, S.Y. Yang, Ramamoorthy Ramesh, L. Salamanca-Riba, M. Wuttig, S.B. Ogale, and X. Pan. "Size and shape evolution of embedded single-crystal α -Fe nanowires." Applied Physics Letters 87 (2005) 1-3.
Liu, H.-J., W.-I. Liang, Y.-H. Chu, H. Zheng, and Ramamoorthy Ramesh. "Self-assembled vertical heteroepitaxial nanostructures: From growth to functionalities." MRS Communications 4 (2014) 31-44.
Mohaddes-Ardabili, L., H. Zheng, S.B. Ogale, B. Hannoyer, W. Tian, J. Wang, S.E. Lofland, S.R. Shinde, T. Zhao, Y. Jia, L. Salamanca-Riba, D.G. Schlom, M. Wuttig, and Ramamoorthy Ramesh. "Self-assembled single-crystal ferromagnetic iron nanowires formed by decomposition." Nature Materials 3 (2004) 533-538.
Zheng, H., F. Straub, Q. Zhan, P.-L. Yang, W.-K. Hsieh, F. Zavaliche, Y.-H. Chu, U. Dahmen, and Ramamoorthy Ramesh. "Self-assembled growth of BiFeO3-CoFe2O4 nanostructures." Advanced Materials 18 (2006) 2747-2752.
Oh, Y.S., S. Crane, H. Zheng, Y.H. Chu, Ramamoorthy Ramesh, and K.H. Kim. "Quantitative determination of anisotropic magnetoelectric coupling in BiFeO3-CoFe2O4 nanostructures." Applied Physics Letters 97 (2010).
Li, H., H. Zheng, L. Salamanca-Riba, Ramamoorthy Ramesh, I. Naumov, and K. Rabe. "Origin of antiphase domain boundaries and their effect on the dielectric constant of Ba0.5Sr0.5TiO3 films grown on MgO substrates." Applied Physics Letters 81 (2002) 4398-4400.
Zhao, T., A. Scholl, F. Zavaliche, H. Zheng, M. Barry, A. Doran, K. Lee, M.P. Cruz, and Ramamoorthy Ramesh. "Nanoscale x-ray magnetic circular dichroism probing of electric-field- induced magnetic switching in multiferroic nanostructures." Applied Physics Letters 90 (2007).
Zheng, H., J. Wang, S.E. Lofland, Z. Ma, L. Mohaddes-Ardabili, T. Zhao, L. Salamanca-Riba, S.R. Shinde, S.B. Ogale, F. Bai, D. Viehland, Y. Jia, D.G. Schlom, M. Wuttig, A. Roytburd, and Ramamoorthy Ramesh. "Multiferroic BaTiO3-CoFe2O4 Nanostructures." Science 303 (2004) 661-663.
Shinde, S.R., S.B. Ogale, J. Higgins, R.J. Choudhary, V.N. Kulkarni, T. Venkatesan, H. Zheng, Ramamoorthy Ramesh, A.V. Pogrebnyakov, S.Y. Xu, Q. Li, X.X. Xi, J.M. Redwing, and D. Kanjilal. "Modification of critical current density of MgB 2 films irradiated with 200 MeV Ag ions." Applied Physics Letters 84 (2004) 2352-2354.
Qi, Y., S.M. Anlage, H. Zheng, and Ramamoorthy Ramesh. "Local dielectric measurements of BaTiO3-CoFe2O4 nanocomposites through microwave microscopy." Journal of Materials Research 22 (2007) 1193-1199.
Zheng, H., J. Kreisel, Y.-H. Chu, Ramamoorthy Ramesh, and L. Salamanca-Riba. "Heteroepitaxially enhanced magnetic anisotropy in BaTiO3- CoFe2O4 nanostructures." Applied Physics Letters 90 (2007).
Chu, Y.H., T. Zhao, M.P. Cruz, Q. Zhan, P.L. Yang, L.W. Martin, M. Huijben, C.H. Yang, F. Zavaliche, H. Zheng, and Ramamoorthy Ramesh. "Ferroelectric size effects in multiferroic BiFeO3 thin films." Applied Physics Letters 90 (2007).
Tselev, A., C.M. Brooks, S.M. Anlage, H. Zheng, L. Salamanca-Riba, Ramamoorthy Ramesh, and M.A. Subramanian. "Evidence for power-law frequency dependence of intrinsic dielectric response in the CaCu3Ti4O12." Physical Review B - Condensed Matter and Materials Physics 70 (2004) 144101-1-144101-8.
Bai, F., H. Zheng, H. Cao, L.E. Cross, Ramamoorthy Ramesh, J. Li, and D. Viehland. "Epitaxially induced high temperature (>900 K) cubic-tetragonal structural phase transition in BaTiO 3 thin films." Applied Physics Letters 85 (2004) 4109-4111.
Wang, J., 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 Ramamoorthy Ramesh. "Epitaxial BiFeO3 multiferroic thin film heterostructures." Science 299 (2003) 1719-1722.
Wang, J., H. Zheng, Z. Ma, S. Prasertchoung, M. Wuttig, R. Droopad, J. Yu, K. Eisenbeiser, and Ramamoorthy Ramesh. "Epitaxial BiFeO 3 thin films on Si." Applied Physics Letters 85 (2004) 2574-2576.
Zavaliche, F., T. Zhao, H. Zheng, F. Straub, M.P. Cruz, P.-L. Yang, D. Hao, and Ramamoorthy Ramesh. "Electrically assisted magnetic recording in multiferroic nanostructures." Nano Letters 7 (2007) 1586-1590.
Zavaliche, F., H. Zheng, L. Mohaddes-Ardabili, S.Y. Yang, Q. Zhan, P. Shafer, E. Reilly, R. Chopdekar, Y. Jia, P. Wright, D.G. Schlom, Y. Suzuki, and Ramamoorthy Ramesh. "Electric field-induced magnetization switching in epitaxial columnar nanostructures." Nano Letters 5 (2005) 1793-1796.
Zhao, T., S.R. Shinde, S.B. Ogale, H. Zheng, T. Venkatesan, Ramamoorthy Ramesh, and S.D. Sarma. "Electric field effect in diluted magnetic insulator anatase Co: TiO 2." Physical Review Letters 94 (2005).
Shinde, S.R., S.B. Ogale, J.S. Higgins, H. Zheng, A.J. Millis, V.N. Kulkarni, Ramamoorthy Ramesh, R.L. Greene, and T. Venkatesan. "Co-occurrence of superparamagnetism and anomalous hall effect in highly reduced cobalt-doped rutile TiO2-δ films." Physical Review Letters 92 (2004) 166601-1-166601-4.

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