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Publications
Publications
Selected work highlighting key results in superconducting interfaces, quantum-materials synthesis, correlated oxides, and spin transport.
2026 · SCIENCE ADVANCES
Uniaxial spin texture in a superconducting electron gas revealed by exchange interactions
Uniaxial spin texture in a superconducting electron gas revealed by exchange interactions
Magnetic exchange in EuOₓ/KTaO₃(110) reveals a pronounced twofold superconducting anisotropy that is absent in the nonmagnetic AlOₓ/KTaO₃(110) control, exposing a hidden uniaxial spin texture.
2024 · ADVANCED MATERIALS
On the Topotactic Phase Transition Achieving Superconducting Infinite-Layer Nickelates
On the Topotactic Phase Transition Achieving Superconducting Infinite-Layer Nickelates
Topotactic reduction transforms the perovskite nickelate into the infinite-layer phase through controlled oxygen removal, revealing how structural evolution during reduction governs the emergence and optimization of superconductivity.
2024 · ADVANCED MATERIALS
Redox Gating for Colossal Carrier Modulation and Unique Phase Control
Redox Gating for Colossal Carrier Modulation and Unique Phase Control
Redox gating enables colossal carrier-density modulation exceeding 1016 cm−2 at low gate voltages, providing reversible and durable electronic control beyond conventional electrostatic gating.
2023 · NATURE COMMUNICATIONS
Tunable superconductivity and its origin at KTaO₃ interfaces
Superconductivity is strongly controlled by carrier density and crystal orientation: Tc scales nearly linearly with n2D for KTaO₃(111), is suppressed for other orientations, and can be reversibly switched by electrostatic gating.
2021 · SCIENCE ADVANCES
Electric Field Control of Magnon Spin Currents in an Antiferromagnetic Insulator
Electric Field Control of Magnon Spin Currents in an Antiferromagnetic Insulator
Electric-field control of magnon spin currents is demonstrated in antiferromagnetic Cr₂O₃, where magnetoelectric coupling enables gate voltage to strongly modulate the spin Seebeck response.
2021 · SCIENCE
Two-Dimensional Superconductivity and Anisotropic Transport at KTaO₃ (111) Interfaces
Two-Dimensional Superconductivity and Anisotropic Transport at KTaO₃ (111) Interfaces
Discovery of two-dimensional superconductivity at KTaO₃(111) interfaces, with a superconducting transition temperature reaching 2.2 K in an oxide electron system with triangular lattice geometry.
2020 · NATURE COMMUNICATIONS
Observation of an Antiferromagnetic Quantum Critical Point in High-Purity LaNiO₃
Observation of an Antiferromagnetic Quantum Critical Point in High-Purity LaNiO₃
High-purity LaNiO₃ reveals signatures of an antiferromagnetic quantum critical point, with strange-metal (T)-linear resistivity evolving into conventional (T^2) Fermi-liquid behavior under magnetic field.
2026
2026
J. Yang*, C. Liu*, X. Zhou, H. Hou, K. Yin, J. Wen, J. Pearson, A. Suslov, D. Jin, J. S. Jiang, U. Welp, J.-M. Zuo, M. R. Norman, and A. Bhattacharya, “Uniaxial spin texture in a superconducting electron gas revealed by exchange interactions,” Science Advances 12, eaeb1601 (2026).
2025
2025
Q. Du*, J. Yang*, A. Imamovic, X. Li, X. Zhou, J. Pearson, C. Liu, U. Welp, A. Higginbotham, J. S. Jiang, D. Jin, M. R. Norman, and A. Bhattacharya, “Tuning kinetic inductance with doping in superconducting electron gases at the KTaO₃ (111) interface,” Nano Letters 25, 7234–7240 (2025).
2024
2024
Y. Li, C. Liu, H. Zheng, J. S. Jiang, Z. Zhu, X. Yan, H. Cao, K. V. L. V. Narayanachari, B. Paudel, K. P. Koirala, Z. Zhang, B. Fisher, H. Wang, E. Karapetrova, C. Sun, S. Kelly, D. Phelan, Y. Du, B. Buchholz, J. F. Mitchell, A. Bhattacharya, D. D. Fong, and H. Zhou, “On the topotactic phase transition achieving superconducting infinite-layer nickelates,” Advanced Materials 36, 2402484 (2024).
H. Cao*, C. Liu*, D. D. Fong, A. Bhattacharya, M. V. Tirrell, H. Zhou, and W. Chen, “Redox gating-induced modulation of charge carrier density and lattice expansion in LaNiO₃ thin films,” Applied Physics Letters 125, 074101 (2024).
L. Zhang*, C. Liu*, H. Cao*, A. J. Erwin, D. D. Fong, A. Bhattacharya, L. Yu, L. Stan, C. Zou, M. V. Tirrell, H. Zhou, and W. Chen, “Redox gating for colossal carrier modulation and unique phase control,” Advanced Materials 36, 2308871 (2024).
R. Luo, X. Zhao, T. J. Legvold, L. Chen, C. Liu, D. Hong, A. Bhattacharya, and D. Natelson, “Challenges of measuring spin Seebeck noise,” Physical Review B 109, 104429 (2024).
R. Luo, T. J. Legvold, L. Chen, H. Navarro, A. C. Basaran, D. Hong, C. Liu, A. Bhattacharya, I. K. Schuller, and D. Natelson, “Low-temperature spin Seebeck effect in nonmagnetic vanadium dioxide,” Physical Review B 110, 024415 (2024).
2023
2023
C. Liu, X. Zhou, D. Hong, B. Fisher, H. Zheng, J. Pearson, J. S. Jiang, D. Jin, M. R. Norman, and A. Bhattacharya, “Tunable superconductivity and its origin at KTaO₃ interfaces,” Nature Communications 14, 951 (2023).
2022
2022
D. Hong, C. Liu, J. Wen, Q. Du, B. Fisher, J. S. Jiang, J. E. Pearson, and A. Bhattacharya, “Synthesis of antiferromagnetic Weyl semimetal Mn₃Ge on insulating substrates by electron beam assisted molecular beam epitaxy,” APL Materials 10, 101113 (2022). Featured Article.
M. Yu, C. Liu, D. Yang, X. Yan, Q. Du, D. D. Fong, A. Bhattacharya, P. Irvin, and J. Levy, “Nanoscale control of the metal–insulator transition at LaAlO₃/KTaO₃ interfaces,” Nano Letters 22, 6062–6068 (2022).
Y. Li, F. Wrobel, Y. Cheng, X. Yan, H. Cao, C. Liu, Z. Zhang, A. Bhattacharya, J. Sun, H. Hong, H. Wang, Y. Liu, H. Zhou, and D. D. Fong, “Self-healing growth of LaNiO₃ on a mixed-terminated perovskite surface,” ACS Applied Materials & Interfaces 14, 16928–16938 (2022).
2021
2021
C. Liu*, Y. Luo*, D. Hong, S. S.-L. Zhang, H. Saglam, Y. Li, Y. Lin, B. Fisher, J. E. Pearson, J. S. Jiang, H. Zhou, J. Wen, A. Hoffmann, and A. Bhattacharya, “Electric field control of magnon spin currents in an antiferromagnetic insulator,” Science Advances 7, eabg1669 (2021).
D. Hong, C. Liu, L. Wang, J. Wen, J. E. Pearson, and A. Bhattacharya, “Molecular beam epitaxy of PdO on MgO (001),” Physical Review Materials 5, 044205 (2021).
C. Liu*, X. Yan*, D. Jin, Y. Ma, H.-W. Hsiao, Y. Lin, T. M. Bretz-Sullivan, X. Zhou, J. Pearson, B. Fisher, J. S. Jiang, W. Han, J.-M. Zuo, J. Wen, D. D. Fong, J. Sun, H. Zhou, and A. Bhattacharya, “Two-dimensional superconductivity and anisotropic transport at KTaO₃ (111) interfaces,” Science 371, 716–721 (2021).
Y. Luo*, C. Liu*, H. Saglam, Y. Li, W. Zhang, S. S.-L. Zhang, J. E. Pearson, B. Fisher, T. Zhou, A. Bhattacharya, and A. Hoffmann, “Distinguishing antiferromagnetic spin sublattices via the spin Seebeck effect,” Physical Review B 103, L020401 (2021). Editor’s Suggestion.
2020
2020
C. Liu, V. F. C. Humbert, T. M. Bretz-Sullivan, G. Wang, D. Hong, F. Wrobel, J. Zhang, J. D. Hoffman, J. E. Pearson, J. S. Jiang, C. Chang, A. Suslov, N. Mason, M. R. Norman, and A. Bhattacharya, “Observation of an antiferromagnetic quantum critical point in high-purity LaNiO₃,” Nature Communications 11, 1402 (2020).
D. Hong, N. Anand, C. Liu, H. Liu, I. Arslan, J. E. Pearson, A. Bhattacharya, and J. S. Jiang, “Large anomalous Nernst and inverse spin-Hall effects in epitaxial thin films of kagome semimetal Mn₃Ge,” Physical Review Materials 4, 094201 (2020).
D. Hong, C. Liu, H.-W. Hsiao, D. Jin, J. E. Pearson, J.-M. Zuo, and A. Bhattacharya, “Molecular beam epitaxy of the magnetic kagome metal FeSn on LaAlO₃ (111),” AIP Advances 10, 105017 (2020).
W. K. Peria, T. A. Peterson, A. P. McFadden, T. Qu, C. Liu, C. J. Palmstrøm, and P. A. Crowell, “The interplay of large two-magnon ferromagnetic resonance linewidths and low Gilbert damping in Heusler thin films,” Physical Review B 101, 134430 (2020).
2019
2019
C. Liu, F. Wrobel, J. D. Hoffman, D. Hong, J. E. Pearson, E. Benckiser, and A. Bhattacharya, “Counter-thermal flow of holes in high-mobility LaNiO₃ thin films,” Physical Review B 99, 041114(R) (2019). Rapid Communication.
D. Hong, C. Liu, J. E. Pearson, A. Hoffmann, D. D. Fong, and A. Bhattacharya, “Spin Seebeck effect in insulating SrFeO₃−δ films,” Applied Physics Letters 114, 242403 (2019).
Z. Zhang, M. Vogel, J. Holanda, M. B. Jungfleisch, C. Liu, Y. Li, J. E. Pearson, R. Divan, W. Zhang, A. Hoffmann, Y. Nie, and V. Novosad, “Spin-wave frequency division multiplexing in an yttrium iron garnet microstripe magnetized by inhomogeneous field,” Applied Physics Letters 115, 232402 (2019).
2018
2018
C. Liu*, S. M. Wu*, J. E. Pearson, J. S. Jiang, N. d’Ambrumenil, and A. Bhattacharya, “Probing short-range magnetic order in a geometrically frustrated magnet by means of the spin Seebeck effect,” Physical Review B 98, 060415(R) (2018). Editor’s Suggestion; Rapid Communication.
2017
2017
D. Hong, C. Liu, J. E. Pearson, and A. Bhattacharya, “Epitaxial growth of high quality SrFeO₃ films on (001) oriented (LaAlO₃)₀.₃(Sr₂TaAlO₆)₀.₇,” Applied Physics Letters 111, 232408 (2017). Featured Article.
2016
2016
C. Liu, S. J. Patel, T. A. Peterson, C. C. Geppert, K. D. Christie, G. Stecklein, C. J. Palmstrøm, and P. A. Crowell, “Dynamic detection of electron spin accumulation in ferromagnet–semiconductor devices by ferromagnetic resonance,” Nature Communications 7, 10296 (2016).
2014
2014
C. Liu, Y. Boyko, C. C. Geppert, K. D. Christie, G. Stecklein, S. J. Patel, C. J. Palmstrøm, and P. A. Crowell, “Electrical detection of ferromagnetic resonance in ferromagnet/n-GaAs heterostructures by tunneling anisotropic magnetoresistance,” Applied Physics Letters 105, 212401 (2014). Cover Article.
* Equal contribution.
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