Publications

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2016
Yadav, A.K., C.T. Nelson, S.L. Hsu, Z. Hong, J.D. Clarkson, C.M. Schlepuëtz, A.R. Damodaran, P. Shafer, E. Arenholz, L.R. Dedon, D. Chen, A. Vishwanath, A.M. Minor, L.Q. Chen, J.F. Scott, L.W. Martin, and Ramamoorthy Ramesh. "Observation of polar vortices in oxide superlattices." Nature 530 (2016) 198-201.
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).
Damodaran, A.R., J.D. Clarkson, Z. Hong, H. B Liu, A.K. Yadav, C.T. Nelson, S.-L. Hsu, M.R. McCarter, K.-D. Park, V. Kravtsov, A. Farhan, Y. Dong, Z. Cai, H. Zhou, P. Aguado-Puente, P. García-Fernández, J. Íñiguez, J. Junquera, A. Scholl, M.B. Raschke, L.-Q. Chen, D.D. Fong, Ramamoorthy Ramesh, and L.W. Martin. "Phase coexistence and electric-field control of toroidal order in oxide superlattices." Nature Materials 16 (2017) 1003-1009.
Li, Q., C.T. Nelson, S.-L. Hsu, A.R. Damodaran, L.-L. Li, A.K. Yadav, M. McCarter, L.W. Martin, Ramamoorthy Ramesh, and S.V. Kalinin. "Quantification of flexoelectricity in PbTiO3/SrTiO3 superlattice polar vortices using machine learning and phase-field modeling." Nature Communications 8 (2017).
Hong, Z., A.R. Damodaran, F. Xue, S.-L. Hsu, J. Britson, A.K. Yadav, C.T. Nelson, J.-J. Wang, J.F. Scott, L.W. Martin, Ramamoorthy Ramesh, and L.-Q. Chen. "Stability of Polar Vortex Lattice in Ferroelectric Superlattices." Nano Letters 17 (2017) 2246-2252.
2018
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).
Shafer, P., P. García-Fernández, P. Aguado-Puente, A.R. Damodaran, A.K. Yadav, C.T. Nelson, S.-L. Hsu, J.C. Wojdeł, J. Íñiguez, L.W. Martin, E. Arenholz, J. Junquera, and Ramamoorthy Ramesh. "Emergent chirality in the electric polarization texture of titanate superlattices." Proceedings of the National Academy of Sciences of the United States of America 115 (2018) 915-920.
Das, S., A. Ghosh, M.R. McCarter, S.-L. Hsu, Y.-L. Tang, A.R. Damodaran, Ramamoorthy Ramesh, and L.W. Martin. "Perspective: Emergent topologies in oxide superlattices." APL Materials 6 (2018).
Lim, J.S., J.H. Lee, H.-S. Park, R. Gao, T.Y. Koo, L.W. Martin, Ramamoorthy Ramesh, and C.-H. Yang. "Ultrafast collective oxygen-vacancy flow in Ca-doped BiFeO3." NPG Asia Materials 10 (2018) 943-955.
2019
Hsu, S.-L., M.R. McCarter, C. Dai, Z. Hong, L.-Q. Chen, C.T. Nelson, L.W. Martin, and Ramamoorthy Ramesh. "Emergence of the Vortex State in Confined Ferroelectric Heterostructures." Advanced Materials 31 (2019).
Zhang, L., Y.-L. Huang, G. Velarde, A. Ghosh, S. Pandya, D. Garcia, Ramamoorthy Ramesh, and L.W. Martin. "Enhanced pyroelectric properties of Bi1-xLaxFeO3 thin films." APL Materials 7 (2019).
Das, S., Y.L. Tang, Z. Hong, M.A.P. Gonçalves, M.R. McCarter, C. Klewe, K.X. Nguyen, F. Gómez-Ortiz, P. Shafer, E. Arenholz, V.A. Stoica, S.-L. Hsu, B. Wang, C. Ophus, J.F. Liu, C.T. Nelson, S. Saremi, B. Prasad, A.B. Mei, D.G. Schlom, J. Íñiguez, P. García-Fernández, D.A. Muller, L.Q. Chen, J. Junquera, L.W. Martin, and Ramamoorthy Ramesh. "Observation of room-temperature polar skyrmions." Nature 568 (2019) 368-372.
Stoica, V.A., N. Laanait, C. Dai, Z. Hong, Y. Yuan, Z. Zhang, S. Lei, M.R. McCarter, A. Yadav, A.R. Damodaran, S. Das, G.A. Stone, J. Karapetrova, D.A. Walko, X. Zhang, L.W. Martin, Ramamoorthy Ramesh, L.-Q. Chen, H. Wen, V. Gopalan, and J.W. Freeland. "Optical creation of a supercrystal with three-dimensional nanoscale periodicity." Nature Materials 18 (2019) 377-383.
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).
Taz, H., B. Prasad, Y.-L. Huang, Z. Chen, S.-L. Hsu, R. Xu, V. Thakare, T.S. Sakthivel, C. Liu, M. Hettick, R. Mukherjee, S. Seal, L.W. Martin, A. Javey, G. Duscher, Ramamoorthy Ramesh, and R. Kalyanaraman. "Integration of amorphous ferromagnetic oxides with multiferroic materials for room temperature magnetoelectric spintronics." Scientific Reports 10 (2020).
Lupi, E., A. Ghosh, S. Saremi, S.-L. Hsu, S. Pandya, G. Velarde, A. Fernandez, Ramamoorthy Ramesh, and L.W. Martin. "Large Polarization and Susceptibilities in Artificial Morphotropic Phase Boundary PbZr1− xTixO3 Superlattices." Advanced Electronic Materials 6 (2020).
Wehmeier, L., T. Nörenberg, T.V.A.G. De Oliveira, J.M. Klopf, S.-Y. Yang, L.W. Martin, Ramamoorthy Ramesh, L.M. Eng, and S.C. Kehr. "Phonon-induced near-field resonances in multiferroic BiFeO3 thin films at infrared and THz wavelengths." Applied Physics Letters 116 (2020).

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