Publications

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Journal Article
Yang, S.Y., J. Seidel, S.J. Byrnes, P. Shafer, C.-H. Yang, M.D. Rossell, P. Yu, Y.-H. Chu, J.F. Scott, J.W. Ager, L.W. Martin, and Ramamoorthy Ramesh. "Above-bandgap voltages from ferroelectric photovoltaic devices." Nature Nanotechnology 5 (2010) 143-147.
Martin, L.W., Y.-H. Chu, and Ramamoorthy Ramesh. "Advances in the growth and characterization of magnetic, ferroelectric, and multiferroic oxide thin films." Materials Science and Engineering R: Reports 68 (2010) 89-133.
Chang, H.J., S.V. Kalinin, A.N. Morozovska, M. Huijben, Y.-H. Chu, P. Yu, Ramamoorthy Ramesh, E.A. Eliseev, G.S. Svechnikov, S.J. Pennycook, and A.Y. Borisevich. "Atomically resolved mapping of polarization and electric fields across ferroelectric/oxide interfaces by z-contrast imaging." Advanced Materials 23 (2011) 2474-2479.
Chiu, Y.-P., Y.-T. Chen, B.-C. Huang, M.-C. Shih, J.-C. Yang, Q. He, C.-W. Liang, J. Seidel, Y.-C. Chen, Ramamoorthy Ramesh, and Y.-H. Chu. "Atomic-scale evolution of local electronic structure across multiferroic domain walls." Advanced Materials 23 (2011) 1530-1534.
Chen, Z., Z. Chen, C.-Y. Kuo, Y. Tang, L.R. Dedon, Q. Li, L. Zhang, C. Klewe, Y.-L. Huang, B. Prasad, A. Farhan, M. Yang, J.D. Clarkson, S. Das, S. Manipatruni, A. Tanaka, P. Shafer, E. Arenholz, A. Scholl, Y.-H. Chu, Z.Q. Qiu, Z. Hu, L.-H. Tjeng, Ramamoorthy Ramesh, L.-W. Wang, and L.W. Martin. "Complex strain evolution of polar and magnetic order in multiferroic BiFeO3 thin films." Nature Communications 9 (2018).
Ko, K.-T., M.H. Jung, Q. He, J.H. Lee, C.S. Woo, K. Chu, J. Seidel, B.-G. Jeon, Y.S. Oh, K.H. Kim, W.-I. Liang, H.-J. Chen, Y.-H. Chu, Y.H. Jeong, Ramamoorthy Ramesh, J.-H. Park, and C.-H. Yang. "Concurrent transition of ferroelectric and magnetic ordering near room temperature." Nature Communications 2 (2011).
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.
Chu, Y.-H., L.W. Martin, M.B. Holcomb, and Ramamoorthy Ramesh. "Controlling magnetism with multiferroics." Materials Today 10 (2007) 16-23.
Huijben, M., L.W. Martin, Y.-H. Chu, M.B. Holcomb, P. Yu, G. Rijnders, D.H.A. Blank, and Ramamoorthy Ramesh. "Critical thickness and orbital ordering in ultrathin La0.7 Sr0.3 MnO3 films." Physical Review B - Condensed Matter and Materials Physics 78 (2008).
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.
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.
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).
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.
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).
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.
He, Q., Y.-H. Chu, J.T. Heron, S.Y. Yang, W.I. Liang, C.Y. Kuo, H.J. Lin, P. Yu, C.W. Liang, R.J. Zeches, W.C. Kuo, J.Y. Juang, C.T. Chen, E. Arenholz, A. Scholl, and Ramamoorthy Ramesh. "Electrically controllable spontaneous magnetism in nanoscale mixed phase multiferroics." Nature Communications 2 (2011).
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.
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.
Heron, J.T., M. Trassin, K. Ashraf, M. Gajek, Q. He, S.Y. Yang, Y.-H. Chu, S. Salahuddin, and Ramamoorthy Ramesh. "Electric-field-induced magnetization reversal in a ferromagnet-multiferroic heterostructure." Physical Review Letters 107 (2011).
Gao, P., J. Britson, C.T. Nelson, J.R. Jokisaari, C. Duan, M. Trassin, S.-H. Baek, H. Guo, L. Li, Y. Wang, Y.-H. Chu, A.M. Minor, C.-B. Eom, Ramamoorthy Ramesh, L.-Q. Chen, and X. Pan. "Ferroelastic domain switching dynamics under electrical and mechanical excitations." Nature Communications 5 (2014).
Zhou, S.Y., Y. Zhu, M.C. Langner, Y.-D. Chuang, P. Yu, W.L. Yang, A.G. Gonzalez, N. Tahir, M. Rini, Y.-H. Chu, Ramamoorthy Ramesh, D.-H. Lee, Y. Tomioka, Y. Tokura, Z. Hussain, and R.W. Schoenlein. "Ferromagnetic enhancement of CE-type spin ordering in (Pr,Ca)MnO 3." Physical Review Letters 106 (2011).
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).
Nath, R., Y.-H. Chu, N.A. Polomoff, Ramamoorthy Ramesh, and B.D. Huey. "High speed piezoresponse force microscopy: <1 frame per second nanoscale imaging." Applied Physics Letters 93 (2008).
Borisevich, A.Y., A.R. Lupini, J. He, E.A. Eliseev, A.N. Morozovska, G.S. Svechnikov, P. Yu, Y.-H. Chu, Ramamoorthy Ramesh, S.T. Pantelides, S.V. Kalinin, and S.J. Pennycook. "Interface dipole between two metallic oxides caused by localized oxygen vacancies." Physical Review B - Condensed Matter and Materials Physics 86 (2012).

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