Non-volatile magnon transport in a single domain multiferroic

Sajid Husain (), Isaac Harris, Peter Meisenheimer, Sukriti Mantri, Xinyan Li, Maya Ramesh, Piush Behera, Hossein Taghinejad, Jaegyu Kim, Pravin Kavle, Shiyu Zhou, Tae Yeon Kim, Hongrui Zhang, Paul Stevenson, James G. Analytis, Darrell Schlom, Sayeef Salahuddin, Jorge Íñiguez-González, Bin Xu, Lane W. Martin, Lucas Caretta, Yimo Han, Laurent Bellaiche, Zhi Yao () and Ramamoorthy Ramesh ()
Additional contact information
Sajid Husain: Lawrence Berkeley National Laboratory
Isaac Harris: Lawrence Berkeley National Laboratory
Peter Meisenheimer: University of California
Sukriti Mantri: University of Arkansas
Xinyan Li: Rice University
Maya Ramesh: Cornell University
Piush Behera: Lawrence Berkeley National Laboratory
Hossein Taghinejad: University of California
Jaegyu Kim: University of California
Pravin Kavle: Lawrence Berkeley National Laboratory
Shiyu Zhou: Brown University
Tae Yeon Kim: University of California
Hongrui Zhang: Lawrence Berkeley National Laboratory
Paul Stevenson: Northeastern University
James G. Analytis: University of California
Darrell Schlom: Cornell University
Sayeef Salahuddin: University of California
Jorge Íñiguez-González: Luxembourg Institute of Science and Technology
Bin Xu: Soochow University
Lane W. Martin: Lawrence Berkeley National Laboratory
Lucas Caretta: Brown University
Yimo Han: Rice University
Laurent Bellaiche: University of Arkansas
Zhi Yao: Lawrence Berkeley National Laboratory
Ramamoorthy Ramesh: Lawrence Berkeley National Laboratory

Nature Communications, 2024, vol. 15, issue 1, 1-9

Abstract: Abstract Antiferromagnets have attracted significant attention in the field of magnonics, as promising candidates for ultralow-energy carriers for information transfer for future computing. The role of crystalline orientation distribution on magnon transport has received very little attention. In multiferroics such as BiFeO3 the coupling between antiferromagnetic and polar order imposes yet another boundary condition on spin transport. Thus, understanding the fundamentals of spin transport in such systems requires a single domain, a single crystal. We show that through Lanthanum (La) substitution, a single ferroelectric domain can be engineered with a stable, single-variant spin cycloid, controllable by an electric field. The spin transport in such a single domain displays a strong anisotropy, arising from the underlying spin cycloid lattice. Our work shows a pathway to understanding the fundamental origins of magnon transport in such a single domain multiferroic.

Date: 2024
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DOI: 10.1038/s41467-024-50180-9

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