Q He

Publications

Viewing 25 of 34 publications

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).

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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. Institute of Electrical and Electronics Engineers Inc., 2015.

2014

Heron, J.T, J.L Bosse, Q He, Yuan 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.

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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.

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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.

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2012

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).

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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).

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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.

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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.

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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).

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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.

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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).

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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.

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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).

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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).

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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).

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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.

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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).

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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).

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2010

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).

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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).

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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).

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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).

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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.

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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).

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