2024
“Nonequilibrium pathways to emergent polar supertextures”
V. A. Stoica, T. Yang, S. Das, Y. Cao, H. Wang, Y. Kubota, C. Dai, Hari Padma, Y. Sato, A. Mangu, Q. L. Nguyen, Z. Zhang, D. Talreja, M. E. Zajac, D. A. Walko, A. D. DiChiara, S. Owada, K. Miyanishi, K. Tamasaku, T. Sato, J. M. Glownia, V. Esposito, S. Nelson, M. C. Hoffman, R. D. Schaller, A. M. Lindenberg, L. W. Martin, R. Ramesh, I. Matsuda, D. Zhu, L-Q. Chen, H. Wen, V. Gopalan, J. W. Freeland.
Nature Materials 23, 1394
“Picosecond volume expansion drives a later-time insulator-metal transition in a nano-textured Mott insulator”
A. Verma, D. Golez, O. Y. Gorobtsov, K. Kaj, R. Russell, J. Z. Kaaret, E. Lamb, G, Khalsa, H. P. Nair, Y. Sun, Y. Bouck, N. Schreiber, J. Ruf, V. Ramaprasad, Y. Kubota, T. Togashi, V. A. Stoica, Hari Padma, J. W. Freeland, N. A. Benedek, O. G. Shpyrko, J. W. Harter, R. D. Averitt, D. G. Schlom, K. M. Shen, A. J. Millis, A. Singer (2024).
Nature Physics 20, 807
2023
“Coherence at first sight”
Hari Padma
Matter 6 (8), 2589
“Strong electron-phonon coupling driven pseudogap modulation and density-wave fluctuations in a correlated polar metal”
Huaiyu Wang, Yihuang Xiong, Hari Padma, Yi Wang, Ziqi Wang, Romain Claes, Guillaume Brunin, Lujin Min, Rui Zu, Maxwell T Wetherington, Yu Wang, Zhiqiang Mao, Geoffroy Hautier, Long-Qing Chen, Ismaila Dabo, Venkatraman Gopalan.
Nature Communications 14 (1), 5769
2022
“Large Exchange Coupling Between Localized Spins and Topological Bands in MnBi2Te4”
Hari Padmanabhan, Vladimir A Stoica, Peter K Kim, Maxwell Poore, Tiannan Yang, Xiaozhe Shen, Alexander H Reid, Ming‐Fu Lin, Suji Park, Jie Yang, Huaiyu Wang, Nathan Z Koocher, Danilo Puggioni, Alexandru B Georgescu, Lujin Min, Seng Huat Lee, Zhiqiang Mao, James M Rondinelli, Aaron M Lindenberg, Long‐Qing Chen, Xijie Wang, Richard D Averitt, John W Freeland, Venkatraman Gopalan.
Advanced Materials, 2202841
“Interlayer magnetophononic coupling in MnBi2Te4”
Hari Padmanabhan, Maxwell Poore, Peter K Kim, Nathan Z Koocher, Vladimir A Stoica, Danilo Puggioni, Huaiyu Wang, Xiaozhe Shen, Alexander H Reid, Mingqiang Gu, Maxwell Wetherington, Seng Huat Lee, Richard D Schaller, Zhiqiang Mao, Aaron M Lindenberg, Xijie Wang, James M Rondinelli, Richard D Averitt, Venkatraman Gopalan.
Nature Communications 13 (1), 1929
2021
“Dynamics of voltage-driven oscillating insulator-metal transitions”
Yin Shi, Amy E Duwel, Dennis M Callahan, Yifei Sun, F Anika Hong, Hari Padmanabhan, Venkatraman Gopalan, Roman Engel-Herbert, Shriram Ramanathan, Long-Qing Chen
Physical Review B 104 (6), 064308
“Extreme Ultraviolet Second Harmonic Generation Spectroscopy in a Polar Metal”
Emma Berger, Sasawat Jamnuch, Can B Uzundal, Clarisse Woodahl, Hari Padmanabhan, Angelique Amado, Paul Manset, Yasuyuki Hirata, Yuya Kubota, Shigeki Owada, Kensuke Tono, Makina Yabashi, Cuixiang Wang, Youguo Shi, Venkatraman Gopalan, Craig P Schwartz, Walter S Drisdell, Iwao Matsuda, John W Freeland, Tod A Pascal, Michael Zuerch
Nano Letters 21 (14), 6095
2020
“Antisymmetry: fundamentals and applications”
Hari Padmanabhan, Jason M Munro, Ismaila Dabo, Venkatraman Gopalan
Annual Review of Materials Research 50, 255
2019
“MnFe 0.5 Ru 0.5 O 3: an above-room-temperature antiferromagnetic semiconductor”
Xiaoyan Tan, Emma E McCabe, Fabio Orlandi, Pascal Manuel, Maria Batuk, Joke Hadermann, Zheng Deng, Changqing Jin, Israel Nowik, Rolfe Herber, Carlo U Segre, Sizhan Liu, Mark Croft, Chang-Jong Kang, Saul Lapidus, Corey E Frank, Haricharan Padmanabhan, Venkatraman Gopalan, Meixia Wu, Man-Rong Li, Gabriel Kotliar, David Walker, Martha Greenblatt
Journal of Materials Chemistry C 7 (3), 509
2018
“Hybrid improper ferroelectricity in (Sr, Ca) 3Sn2O7 and beyond: universal relationship between ferroelectric transition temperature and tolerance factor in n= 2 Ruddlesden–Popper phases”
Suguru Yoshida, Hirofumi Akamatsu, Ryosuke Tsuji, Olivier Hernandez, Haricharan Padmanabhan, Arnab Sen Gupta, Alexandra S Gibbs, Ko Mibu, Shunsuke Murai, James M Rondinelli, Venkatraman Gopalan, Katsuhisa Tanaka, Koji Fujita
Journal of the American Chemical Society 140 (46), 15690
“Linear and nonlinear optical probe of the ferroelectric-like phase transition in a polar metal, LiOsO3”
Haricharan Padmanabhan, Yoonsang Park, Danilo Puggioni, Yakun Yuan, Yanwei Cao, Lev Gasparov, Youguo Shi, Jak Chakhalian, James M Rondinelli, Venkatraman Gopalan
Applied Physics Letters 113 (12), 122906
“Discovering minimum energy pathways via distortion symmetry groups”
Jason M Munro, Hirofumi Akamatsu, Haricharan Padmanabhan, Vincent S Liu, Yin Shi, Long-Qing Chen, Brian K VanLeeuwen, Ismaila Dabo, Venkatraman Gopalan
Physical Review B 98 (8), 085107
“Spatio-temporal symmetry–crystallographic point groups with time translations and time inversion”
Vincent S Liu, Brian K VanLeeuwen, Jason M Munro, Haricharan Padmanabhan, Ismaila Dabo, Venkatraman Gopalan, Daniel B Litvin
Acta Crystallographica Section A: Foundations and Advances 74 (4), 399
“Ferroelectric Sr3Zr2O7: Competition between Hybrid Improper Ferroelectric and Antiferroelectric Mechanisms”
Suguru Yoshida, Koji Fujita, Hirofumi Akamatsu, Olivier Hernandez, Arnab Sen Gupta, Forrest G Brown, Haricharan Padmanabhan, Alexandra S Gibbs, Toshihiro Kuge, Ryosuke Tsuji, Shunsuke Murai, James M Rondinelli, Venkatraman Gopalan, Katsuhisa Tanaka
Advanced Functional Materials 28 (30), 1801856
2017
“Magnetostriction-polarization coupling in multiferroic Mn2MnWO6”
Man-Rong Li, Emma E McCabe, Peter W Stephens, Mark Croft, Liam Collins, Sergei V Kalinin, Zheng Deng, Maria Retuerto, Arnab Sen Gupta, Haricharan Padmanabhan, Venkatraman Gopalan, Christoph P Grams, Joachim Hemberger, Fabio Orlandi, Pascal Manuel, Wen-Min Li, Chang-Qing Jin, David Walker, Martha Greenblatt
Nature Communications 8 (1), 2037
“Spatio-Temporal Symmetry—Point Groups with Time Translations”
Haricharan Padmanabhan, Maggie L Kingsland, Jason M Munro, Daniel B Litvin, Venkatraman Gopalan
Symmetry 9 (9), 187
“A(II)GeTeO6 (A = Mn, Cd, Pb): Non-Centrosymmetric Layered Tellurates with PbSb2O6-Related Structure”
Sun Woo Kim, Zheng Deng, Shuang Yu, Haricharan Padmanabhan, Weiguo Zhang, Venkatraman Gopalan, Changqing Jin, Martha Greenblatt
Inorganic Chemistry 56 (15), 9019
2016
“Intertwined lattice deformation and magnetism in monovacancy graphene”
Haricharan Padmanabhan, BRK Nanda
Physical Review B 93 (16), 165403