@article{10902/28114,
year = {2022},
month = {1},
url = {https://hdl.handle.net/10902/28114},
abstract = {Polar textures have attracted substantial attention in recent years as a promising analog to spin-based textures in ferromagnets. Here, using optical second-harmonic generation?based circular dichroism, we demonstrate deterministic and reversible control of chirality over mesoscale regions in ferroelectric vortices using an applied electric field. The microscopic origins of the chirality, the pathway during the switching, and the mechanism for electric field control are described theoretically via phase-field modeling and second-principles simulations, and experimentally by examination of the microscopic response of the vortices under an applied field. The emergence of chirality from the combination of nonchiral materials and subsequent control of the handedness with an electric field has far-reaching implications for new electronics based on chirality as a field-controllable order parameter.},
organization = {This work was funded by Office of Science, Basic Energy Sciences (BES) at the Department of Energy (DOE) contract no. DE-AC02-05CH11231 (to P.B., M.R.M., S.S., and R.R.); University of California Office of the President and the Ford Foundation (to L.C.); U.S. DOE BES award no. DE-SC0008807. (to M.A.M. and M.B.R.); Grant PGC2018-096955-B-C41 funded by MCIN/AEI/10.13039/501100011033 (to F.G.O., P.G.F., and J.J.); Spanish Ministry of Universities through grant number FPU18/04661 (to F.G.-O.); and Laboratory Directed Research and Development Program of the Lawrence Berkeley National Laboratory under U.S. DOE contract no. DE-AC02-05CH11231 (to A.R.). The optical spectroscopy and electron microscopy work at the Molecular Foundry was supported by the Office of Science, Office of Basic Energy Sciences, of the U.S. DOE under contract no. DE-AC02-05CH11231.},
publisher = {American Association for the Advancement of Science},
publisher = {Science Advances, 2022, 8(1), eabj8030},
title = {Electric field control of chirality},
author = {Behera, Piush and May, Molly A. and Gómez Ortiz, Fernando and Susarla, Sandhya and Das, Sujit and Nelson, Christopher T. and Caretta, Lucas and Hsu, Shang-Lin and McCarter, Margaret R. and Savitzky, Benjamin H. and Barnard, Edward S. and Raja, Archana and Hong, Zijian and García Fernández, Pablo (físico) and Lovesey, Stephen W. and Laan, Gerrit van der and Ercius, Peter and Ophus, Colin and Martin, Lane W. and Junquera Quintana, Francisco Javier},
}