This is a complete list of my publications. Citation information can be found on my Google Scholar page.

Exchange coupling pathways in magnetic topological materials

Large Exchange Coupling Between Localized Spins and Topological Bands in MnBi₂Te₄.
H. Padmanabhan, V. A. Stoica, P. K. Kim, M. Poore, T. Yang, X. Shen, A. H. Reid, M-F. Lin, S. Park, J. Yang, H. Wang, N. Z. Koocher, D. Puggioni, A. B. Georegscu, L. Min, S. H. Lee, Z. Mao, J. M. Rondinelli, A. M. Lindenberg, L-Q. Chen, X. Wang, R. D. Averitt, J. W. Freeland, V. Gopalan.
Advanced Materials 2022.

Interlayer magnetophononic coupling in MnBi₂Te₄
H. Padmanabhan*, M. Poore*, P. Kim*, N. Z. Koocher, V. A. Stoica, D. Puggioni, H. Wang, X. Shen, A. H. Reid, M. Gu, M. Wetherington, S. H. Lee, R. Schaller, Z. Mao, A. M. Lindenberg, X. Wang, J. M. Rondinelli, R. D. Averitt, V. Gopalan. *equal contributions
Nature Communications 2022

Unconventional Ferroelectrics

Extreme Ultraviolet Second Harmonic Generation Spectroscopy in a Polar Metal.
E. Berger, S. Jamnuch, C. Uzundal, C. Woodahl, H. Padmanabhan, Angelique Amado, Paul Manset, Yasuyuki Hirata, Iwao Matsuda, Venkatraman Gopalan, Yuya Kubota, Shigeki Owada, Kensuke Tono, Makina Yabashi, Craig Schwartz, Walter Drisdell, John Freeland, Tod Pascal, Michael Zuerch.
Nano Letters 2021

MnFe_0.5Ru_0.5O₃: an above-room-temperature antiferromagnetic semiconductor.
X. Tan, E. E. McCabe, F. Orlandi, P. Manuel, M. Batuk, J. Hadermann, Z. Deng, C. Jin, I. Nowik, R. Herber, C. U. Segre, S. Liu, M. Croft, C-J. Kang, S. Lapidus, C. E. Frank, H. Padmanabhan, V. Gopalan, M. Wu, M-R. Li, G. Kotliar, D. Walker, M. Greenblatt.
Journal of Materials Chemistry C 2019

Hybrid Improper Ferroelectricity in (Sr,Ca)₃Sn₂O₇ and Beyond: Universal Relationship between Ferroelectric Transition Temperature and Tolerance Factor in n = 2 Ruddlesden–Popper Phases.
S. Yoshida, H. Akamatsu, R. Tsuji, O. Hernandez, H. Padmanabhan, A. S. Gupta, A. S. Gibbs, K. Mibu, S. Murai, J. M. Rondinelli, V. Gopalan, K. Tanaka, K. Fujita. 
Journal of the American Chemical Society 2018

Linear and nonlinear optical probe of the ferroelectric-like phase transition in a polar metal, LiOsO₃.
H. Padmanabhan, Y. Park, D. Puggioni, Y. Yuan, Y. Cao, L. Gasparov, Y. Shi, J. Chakhalian, J. Rondinelli, V. Gopalan.
Applied Physics Letters 2018

Ferroelectric Sr₃Zr₂O₇: Competition between Hybrid Improper Ferroelectric and Antiferroelectric Mechanisms.
S. Yoshida, K. Fujita, H. Akamatsu, O. Hernandez, A. S. Gupta, F. G. Brown, H. Padmanabhan, A. S. Gibbs, T. Kuge, R. Tsuji, S. Murai, J. M. Rondinelli, V. Gopalan, K. Tanaka.
Advanced Functional Materials 2018

Magnetostriction-polarization coupling in multiferroic Mn₂MnWO₆.
M-R. Li, E. E. McCabe, P. W. Stephens, M. Croft, L. Collins, S. V. Kalinin, Z. Deng, M. Retuerto, A. S. Gupta, H. Padmanabhan, V. Gopalan, C. P. Grams, J. Hemberger, F. Orlandi, P. Manuel, W-M. Li, C-Q. Jin, D. Walker, M. Greenblatt.
Nature Communications 2017

A(II)GeTeO₆ (A = Mn, Cd, Pb): Non-Centrosymmetric Layered Tellurates with PbSb₂O₆-Related Structure.
S. W. Kim, Z. Deng, S. Yu, H. Padmanabhan, W. Zhang, V. Gopalan, C. Jin, M. Greenblatt.
Inorganic Chemistry 2017

Symmetry in Materials Theory

Antisymmetry: Fundamentals and applications.
H. Padmanabhan*, J. M. Munro*, I. Dabo, V. Gopalan.
Annual Review of Materials Research 2020

Discovering minimum energy pathways via distortion symmetry groups.
J. M. Munro, H. Akamatsu, H. Padmanabhan, V. Liu, Y. Shi, L-Q. Chen, B. K. VanLeeuwen, I. Dabo, V. Gopalan.
Physical Review B 2018

Spatio-temporal symmetry–crystallographic point groups with time translations and time inversion.
V. S. Liu, B. K. VanLeeuwen, J. M. Munro, H. Padmanabhan, I. Dabo, V. Gopalan, D. B. Litvin.
Acta Crystallographica Section A: Foundations and Advances 2018

Spatio-Temporal Symmetry – Point Groups with Time Translations.
H. Padmanabhan, M. L. Kingsland, J. M. Munro, D. B. Litvin, V. Gopalan.
Symmetry 2017

Intertwined lattice deformation and magnetism in monovacancy graphene.
H. Padmanabhan, B. R. K. Nanda.
Physical Review B 2016