A Kumar

Publications

Viewing 11 of 11 publications

2012

Kim, Y.-M, A Hatt, A Kumar, I Ivanov, A Morozovska, A Tselev, Y.H Chu, P Yu, M.D Biegalski, Ramamoorthy Ramesh, E Eliseev, S.J Pennycook, J Rondinelli, S.V Kalinin, and A.Y Borisevich. "Unconventional Antiferroelectric Phase Stabilization in Thin Film BiFeO3 by Interface-Induced Rotoelectric Coupling Effect." Microscopy and Microanalysis 18 (2012) 412–413.

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2010

Kumar, A, S Denev, R.J Zeches, E Vlahos, N.J Podraza, A Melville, D.G Schlom, Ramamoorthy Ramesh, and V Gopalan. "Probing mixed tetragonal/rhombohedral-like monoclinic phases in strained bismuth ferrite films by optical second harmonic generation." Applied Physics Letters 97 (2010).

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2009

Zeches, R.J, M.D Rossell, J.X Zhang, A.J Hatt, Q He, C.-H Yang, A Kumar, C.H Wang, A Melville, C Adamo, G Sheng, Y.-H Chu, J.F Ihlefeld, R Erni, C Ederer, V Gopalan, L.Q Chen, D.G Schldin, N.A Spaldin, L.W Martin, and Ramamoorthy Ramesh. "A strain-driven morphotropic phase boundary in bifeO3." Science 326 (2009) 977–980.

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Ramirez, M.O, A Kumar, S.A Denev, N.J Podraza, X.S Xu, R.C Rai, Y.H Chu, J Seidel, L.W Martin, S.-Y Yang, E Saiz, J.F Ihlefeld, Sang Hoon Lee, J Klug, S.W Cheong, M.J Bedzyk, O Auciello, D.G Schlom, Ramamoorthy Ramesh, J Orenstein, J.L Musfeldt, and V Gopalan. "Magnon sidebands and spin-charge coupling in bismuth ferrite probed by nonlinear optical spectroscopy." Physical Review B - Condensed Matter and Materials Physics 79 (2009).

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Ramirez, M.O, A Kumar, S.A Denev, Y.H Chu, J Seidel, L.W Martin, S.-Y Yang, R.C Rai, X.S Xue, J.F Ihlefeld, N.J Podraza, E Saiz, Sang Hoon Lee, J Klug, S.W Cheong, M.J Bedzyk, O Auciello, D.G Schlom, J Orenstein, Ramamoorthy Ramesh, J.L Musfeldt, A.P Litvinchuk, and V Gopalan. "Spin-charge-lattice coupling through resonant multimagnon excitations in multiferroic BiFe O3." Applied Physics Letters 94 (2009).

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Xu, X.S, T.V Brinzari, Sang Hoon Lee, Y.H Chu, L.W Martin, A Kumar, S McGill, R.C Rai, Ramamoorthy Ramesh, V Gopalan, S.W Cheong, and J.L Musfeldt. "Optical properties and magnetochromism in multiferroic BiFeO3." Physical Review B - Condensed Matter and Materials Physics 79 (2009).

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2008

Kumar, A, R.C Rai, N.J Podraza, S Denev, M Ramirez, Y.-H Chu, L.W Martin, J Ihlefeld, T Heeg, J Schubert, D.G Schlom, J Orenstein, Ramamoorthy Ramesh, R.W Collins, J.L Musfeldt, and V Gopalan. "Linear and nonlinear optical properties of BiFeO3." Applied Physics Letters 92 (2008).

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Ramirez, M.O, M Krishnamurthi, S Denev, A Kumar, S.-Y Yang, Y.-H Chu, E Saiz, J Seidel, A.P Pyatakov, A Bush, D Viehland, J Orenstein, Ramamoorthy Ramesh, and V Gopalan. "Two-phonon coupling to the antiferromagnetic phase transition in multiferroic BiFeO3." Applied Physics Letters 92 (2008).

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Kumar, A, N.J Podraza, S Denev, J Li, L.W Martin, Y.-H Chu, Ramamoorthy Ramesh, R.W Collins, and V Gopalan. "Linear and nonlinear optical properties of multifunctional PbV O3 thin films." Applied Physics Letters 92 (2008).

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2007

Ihlefeld, J.F, A Kumar, V Gopalan, D.G Schlom, Y.B Chen, X.Q Pan, T Heeg, J Schubert, X Ke, P Schiffer, J Orenstein, L.W Martin, Y.H Chu, and Ramamoorthy Ramesh. "Adsorption-controlled molecular-beam epitaxial growth of BiFe O3." Applied Physics Letters 91 (2007).

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Kumar, A, L.W Martin, S Denev, J.B Kortright, Y Suzuki, Ramamoorthy Ramesh, and V Gopalan. "Polar and magnetic properties of PbV O3 thin films." Physical Review B - Condensed Matter and Materials Physics 75 (2007).

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