Publications

X Author: Q. He

2019

Yi, D., P. Yu, Y.-C. Chen, H.-H. Lee, Q. He, Y.-H. Chu, and Ramamoorthy Ramesh."Tailoring Magnetoelectric Coupling in BiFeO 3 /La 0.7 Sr 0.3 MnO 3 Heterostructure through the Interface Engineering."Advanced Materials 31 (2019). DOI

2015

Zhao, Y., S. Zhang, P. Li, A. Chen, D. Li, S. Rizwan, J. Zhang, J. Seidel, T. Qu, Z. Luo, Q. He, L. Yang, Y. Wu, X. Jin, C. Gao, X. Han, and Ramamoorthy Ramesh."Electric-field control of magnetism in multiferroic heterostructures."2015 IEEE International Magnetics Conference, INTERMAG 2015 (2015). DOI

2014

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. DOI
Marti, X., I. Fina, C. Frontera, J. F. Liu, P. Wadley, Q. He, R.J. Paull, J.D. Clarkson, J. Kudrnovský, I. Turek, J. Kuneš, D. Yi, J.-H. Chu, C.T. Nelson, L. You, E. Arenholz, S. Salahuddin, J. Fontcuberta, T. Jungwirth, and Ramamoorthy Ramesh."Room-temperature antiferromagnetic memory resistor."Nature Materials 13 (2014) 367-374. DOI

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. DOI

2012

Zhang, S., Y.G. Zhao, P.S. Li, J.J. Yang, S. Rizwan, J.X. Zhang, J. Seidel, T.L. Qu, Y.J. Yang, Z.L. Luo, Q. He, T. Zou, Q.P. Chen, J.W. Wang, L.F. Yang, Y. Sun, Y.Z. Wu, X. Xiao, X.F. Jin, J. Huang, C. Gao, X.F. Han, and Ramamoorthy Ramesh."Electric-field control of nonvolatile magnetization in Co 40Fe 40B 20/Pb(Mg 1/3Nb 2/3) 0.7Ti 0.3O 3 structure at room temperature."Physical Review Letters 108 (2012). DOI
Lubk, A., M.D. Rossell, J. Seidel, Q. He, S.Y. Yang, Y.H. Chu, Ramamoorthy Ramesh, M.J. Hÿtch, and E. Snoeck."Evidence of sharp and diffuse domain walls in BiFeO 3 by means of unit-cell-wise strain and polarization maps obtained with high resolution scanning transmission electron microscopy."Physical Review Letters 109 (2012). DOI
Yu, P., W. Luo, D. Yi, J.X. Zhang, M.D. Rossell, C.-H. Yang, L. You, G. Singh-Bhalla, S.Y. Yang, Q. He, Q.M. Ramasse, R. Erni, L.W. Martin, Y.H. Chu, S.T. Pantelides, S.J. Pennycook, and Ramamoorthy Ramesh."Interface control of bulk ferroelectric polarization."Proceedings of the National Academy of Sciences of the United States of America 109 (2012) 9710-9715. DOI
He, Q., C.-H. Yeh, J.-C. Yang, G. Singh-Bhalla, C.-W. Liang, P.-W. Chiu, G. Catalan, L.W. Martin, Y.-H. Chu, J.F. Scott, and Ramamoorthy Ramesh."Magnetotransport at domain walls in BiFeO 3."Physical Review Letters 108 (2012). DOI
He, Q., E. Arenholz, A. Scholl, Y.-H. Chu, and Ramamoorthy Ramesh."Nanoscale characterization of emergent phenomena in multiferroics."Current Opinion in Solid State and Materials Science 16 (2012) 216-226. DOI
Zhang, J.X., R.J. Zeches, Q. He, Y.-H. Chu, and Ramamoorthy Ramesh."Nanoscale phase boundaries: A new twist to novel functionalities."Nanoscale 4 (2012) 6196-6204. DOI
Yang, J.C., Q. He, S.J. Suresha, C.Y. Kuo, C.Y. Peng, R.C. Haislmaier, M.A. Motyka, G. Sheng, C. Adamo, H.J. Lin, Z. Hu, L. Chang, L.H. Tjeng, E. Arenholz, N.J. Podraza, M. Bernhagen, R. Uecker, D.G. Schlom, V. Gopalan, L.Q. Chen, C.T. Chen, Ramamoorthy Ramesh, and Y.H. Chu."Orthorhombic BiFeO3."Physical Review Letters 109 (2012). DOI

2011

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. DOI
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). DOI
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). DOI
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). DOI
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). DOI
Zhang, J.X., B. Xiang, Q. He, J. Seidel, R.J. Zeches, P. Yu, S.Y. Yang, C.H. Wang, Y.-H. Chu, L.W. Martin, A.M. Minor, and Ramamoorthy Ramesh."Large field-induced strains in a lead-free piezoelectric material."Nature Nanotechnology 6 (2011) 98-102. DOI
Zhang, J.X., Q. He, M. Trassin, W. Luo, D. Yi, M.D. Rossell, P. Yu, L. You, C.H. Wang, C.Y. Kuo, J.T. Heron, Z. Hu, R.J. Zeches, H.J. Lin, A. Tanaka, C.T. Chen, L.H. Tjeng, Y.-H. Chu, and Ramamoorthy Ramesh."Microscopic origin of the giant ferroelectric polarization in tetragonal-like BiFeO3."Physical Review Letters 107 (2011). DOI

2010

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). DOI
Baek, S.H., H.W. Jang, C.M. Folkman, Y.L. Li, B. Winchester, J.X. Zhang, Q. He, Y.H. Chu, C.T. Nelson, M.S. Rzchowski, X.Q. Pan, Ramamoorthy Ramesh, L.Q. Chen, and C.B. Eom."Ferroelastic switching for nanoscale non-volatile magnetoelectric devices."Nature Materials 9 (2010) 309-314. DOI
Yu, P., J.-S. Lee, S. Okamoto, M.D. Rossell, M. Huijben, C.-H. Yang, Q. He, J.X. Zhang, S.Y. Yang, M.J. Lee, Q.M. Ramasse, R. Erni, Y.-H. Chu, D.A. Arena, C.-C. Kao, L.W. Martin, and Ramamoorthy Ramesh."Interface ferromagnetism and orbital reconstruction in BiFeO 3-La0.7Sr0.3MnO3 heterostructures."Physical Review Letters 105 (2010). DOI
Arenholz, E., G. Van Der Laan, A. Fraile-Rodríguez, P. Yu, Q. He, and Ramamoorthy Ramesh."Probing ferroelectricity in PbZr0.2 Ti0.8 O 3 with polarized soft x rays."Physical Review B - Condensed Matter and Materials Physics 82 (2010). DOI
Holcomb, M.B., L.W. Martin, A. Scholl, Q. He, P. Yu, C.-H. Yang, S.Y. Yang, P.-A. Glans, M. Valvidares, M. Huijben, J.B. Kortright, J. Guo, Y.-H. Chu, and Ramamoorthy Ramesh."Probing the evolution of antiferromagnetism in multiferroics."Physical Review B - Condensed Matter and Materials Physics 81 (2010). DOI
Huang, C.W., Y.H. Chu, Z.H. Chen, J. Wang, T. Sritharan, Q. He, Ramamoorthy Ramesh, and L. Chen."Strain-driven phase transitions and associated dielectric/piezoelectric anomalies in BiFeO3 thin films."Applied Physics Letters 97 (2010). DOI