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PEEM-3 at the ALS:
X-ray Photoemission Electron Microscopy

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Lawrence Berkeley National Laboratory

Advanced Light Source
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Rajesh Chopdekar

RVChopdekar@lbl.gov
last update: 03/30/2020
Publications '20

2020 Publications, Dissertations, and Theses related to PEEM-3

Cheema, S.S., D. Kwon, N. Shanker, R. dos Reis, S.-L. Hsu, J. Xiao, H. Zhang, R. Wagner, A. Datar, M.R. McCarter, C.R. Serrao, A.K. Yadav, G. Karbasian, C.-H. Hsu, A.J. Tan, L.-C. Wang, V. Thakare, X. Zhang, A. Mehta, E. Karapetrova, R.V. Chopdekar, P. Shafer, E. Arenholz, C. Hu, R. Proksch, R. Ramesh, J. Ciston, and S. Salahuddin, “Enhanced ferroelectricity in ultrathin films grown directly on silicon,” Nature 580(7804), 478-482 (2020).
Chiu, I.-T., A.M. Kane, R.V. Chopdekar, P. Lyu, A. Mehta, C.M. Rouleau, A.T. N'Diaye, E. Arenholz, and Y. Takamura, “Phase transitions and magnetic domain coexistence in Nd0.5Sr0.5MnO3 thin films,” Journal of Magnetism and Magnetic Materials 498, 166116 (2020).
Digernes, E., S.D. Slöetjes, A. Strømberg, A.D. Bang, F.K. Olsen, E. Arenholz, R.V. Chopdekar, J.K. Grepstad, and E. Folven, "Direct imaging of long-range ferromagnetic and antiferromagnetic order in a dipolar metamaterial,"Physical Review Research 2(1), 013222 (2020).
Huang, Y.-L., D. Nikonov, C. Addiego, R.V. Chopdekar, B. Prasad, L. Zhang, J. Chatterjee, H.-J. Liu, A. Farhan, Y.-H. Chu, M. Yang, M. Ramesh, Z.Q. Qiu, B.D. Huey, C.-C. Lin, T. Gosavi, J. Íñiguez, J. Bokor, X. Pan, I. Young, L.W. Martin, and R. Ramesh, "Manipulating magnetoelectric energy landscape in multiferroics," Nature Communications 11(1), 2836 (2020).
Laipnik, R., V. Bissi, C.-Y. Sun, G. Falini, P.A. Gilbert, and T. Mass, “Coral acid rich protein selects vaterite polymorph in vitro,” Journal of Structural Biology , 107431 (2020).
Lee, M.S., P. Lyu, R.V. Chopdekar, A. Scholl, S.T. Retterer, and Y. Takamura, "Controlling antiferromagnetic domains in patterned La0.7Sr0.3FeO3 thin films,"Journal of Applied Physics 127(20), 203901 (2020).
Maurel, C., J.J. Bryson, R.J. Lyons, M.R. Ball, R.V. Chopdekar, A. Scholl, F.J. Ciesla, W.F. Bottke, and B.P. Weiss, "Meteorite evidence for partial differentiation and protracted accretion of planetesimals,"Science Advances 6(30), eaba1303 (2020).
Prasad, B., Y. Huang, R.V. Chopdekar, Z. Chen, J. Steffes, S. Das, Q. Li, M. Yang, C. Lin, T. Gosavi, D.E. Nikonov, Z.Q. Qiu, L.W. Martin, B.D. Huey, I. Young, J. Íñiguez, S. Manipatruni, and R. Ramesh, "Ultralow Voltage Manipulation of Ferromagnetism,"Advanced Materials 32(28), 2001943 (2020).
Raftrey, D., "Neville Smith Student Poster Award: Hopfions: Magnetism in Three Dimensions," 2020 ALS User Meeting.
Saccone, M.D., "Novel Frustrated Matter in Artificial Nanomagnets," Doctoral Dissertation, University of California, Santa Cruz, Santa Cruz, CA, 2020, advisor O. Narayan
Skoropata, E., J. Nichols, J.M. Ok, R.V. Chopdekar, E.S. Choi, A. Rastogi, C. Sohn, X. Gao, S. Yoon, T. Farmer, R.D. Desautels, Y. Choi, D. Haskel, J.W. Freeland, S. Okamoto, M. Brahlek, and H.N. Lee, "Interfacial tuning of chiral magnetic interactions for large topological Hall effects in LaMnO3/SrIrO3 heterostructures," Science Advances 6(27), eaaz3902 (2020).
Xiao, Z., R. Lo Conte, M. Goiriena-Goikoetxea, R.V. Chopdekar, C.-H. Lambert, X. Li, A.T. N'Diaye, P. Shafer, S. Tiwari, A. Barra, A. Chavez, K.P. Mohanchandra, G.P. Carman, K. Wang, S. Salahuddin, E. Arenholz, J. Bokor, and R. Candler, "Tunable Magnetoelastic Effect in Voltage-controlled Exchange-coupled Composite Multiferroic Microstructures," ACS Applied Materials & Interfaces 12(5), 6752 (2020).
Yang, M., Q. Li, R.V. Chopdekar, C. Stan, S. Cabrini, J.W. Choi, S. Wang, T. Wang, N. Gao, A. Scholl, N. Tamura, C. Hwang, F. Wang, and Z. Qiu, “Highly Enhanced Curie Temperature in Ga-Implanted Fe3GeTe2 van der Waals Material,” Advanced Quantum Technologies , 2000017 (2020).
Yang, M., Q. Li, R.V. Chopdekar, R. Dhall, J. Turner, J.D. Carlström, C. Ophus, C. Klewe, P. Shafer, A.T. N’Diaye, J.W. Choi, G. Chen, Y.Z. Wu, C. Hwang, F. Wang, and Z.Q. Qiu, "Creation of skyrmions in van der Waals ferromagnet Fe3GeTe2 on (Co/Pd)n superlattice,” Science Advances 6(36), eabb5157 (2020).
Zhang, H., R. Chen, K. Zhai, X. Chen, L. Caretta, X. Huang, R.V. Chopdekar, J. Cao, J. Sun, J. Yao, R. Birgeneau, and R. Ramesh, "Itinerant ferromagnetism in van der Waals Fe5-xGeTe2 crystals above room temperature," Physical Review B 102(6), 064417 (2020).