Signatures of quantum spin liquid state and unconventional transport in thin film TbInO3

Johanna Nordlander (), Margaret A. Anderson, Tony Chiang, Austin Kaczmarek, Nabaraj Pokhrel, Kuntal Talit, Spencer Doyle, Edward Mercer, Christian Tzschaschel, Jun-Ho Son, Hesham El-Sherif, Charles M. Brooks, Eun-Ah Kim, Alberto de la Torre, Ismail El Baggari, Elizabeth A. Nowadnick, Katja C. Nowack, John T. Heron and Julia A. Mundy ()
Additional contact information
Johanna Nordlander: Harvard University
Margaret A. Anderson: Harvard University
Tony Chiang: University of Michigan
Austin Kaczmarek: Cornell University
Nabaraj Pokhrel: University of California
Kuntal Talit: University of California
Spencer Doyle: Harvard University
Edward Mercer: Northeastern University
Christian Tzschaschel: Harvard University
Jun-Ho Son: Cornell University
Hesham El-Sherif: Harvard University
Charles M. Brooks: Harvard University
Eun-Ah Kim: Cornell University
Alberto de la Torre: Northeastern University
Ismail El Baggari: Harvard University
Elizabeth A. Nowadnick: University of California
Katja C. Nowack: Cornell University
John T. Heron: University of Michigan
Julia A. Mundy: Harvard University

Nature Communications, 2025, vol. 16, issue 1, 1-8

Abstract: Abstract Quantum spin liquids, where the frustrated magnetic ground state hosts highly entangled spins resisting long-range order to 0 K, are exotic quantum magnets proximate to unconventional superconductivity and candidate platforms for topological quantum computing. Although several quantum spin liquid material candidates have been identified, thin films crucial for device fabrication and further tuning of properties remain elusive. Recently, hexagonal TbInO3 has emerged as a quantum spin liquid candidate which also hosts improper ferroelectricity and exotic high-temperature carrier transport. Here, we synthesize thin films of TbInO3 and characterize their magnetic and electronic properties. Our films present a highly frustrated magnetic ground state without long-range order to 0.4 K, consistent with bulk crystals. We further reveal a rich ferroelectric domain structure and unconventional non-local transport near room temperature, suggesting hexagonal TbInO3 as a promising candidate for realizing exotic magnetic and transport phenomena in epitaxial heterostructures.

Date: 2025
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DOI: 10.1038/s41467-025-64528-2

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