DOI: 10.1073/pnas.1405780111. Switchable <i>S</i> = 1/2 and <i>J</i> = 1/2 Rashba bands in ferroelectric halide perovskites

Switchable S = 1/2 and J = 1/2 Rashba bands in ferroelectric halide perovskites

10.1073/pnas.1405780111

Crossref journal-article

Proceedings of the National Academy of Sciences

Proceedings of the National Academy of Sciences (341)

Abstract

Significance Manipulation of electron spins is an important research subject to achieve breakthroughs in current electronics. The Rashba effect is the spin energy level splitting due to broken inversion symmetry and spin–orbit coupling, and the controllability of Rashba splitting is crucial to spin manipulation. Here, we report a theoretical investigation of Rashba band splitting in ferroelectric halide perovskite materials. Since the polarization direction in ferroelectric materials can be switched by external electric fields, Rashba splitting can be controlled conveniently in these materials. Interestingly, ferroelctric polarizations give rise to two distinct Rashba bands of contrasting orbital and spin characters. Taking advantage of the unique band characteristics, these materials prove promising candidates for the switchable Rashba effect.

Bibliography

Kim, M., Im, J., Freeman, A. J., Ihm, J., & Jin, H. (2014). Switchable S = 1/2 and J = 1/2 Rashba bands in ferroelectric halide perovskites. Proceedings of the National Academy of Sciences, 111(19), 6900â6904.

Authors 5

Minsung Kim (first)
Jino Im (additional)
Arthur J. Freeman (additional)
Jisoon Ihm (additional)
Hosub Jin (additional)

References 32 Referenced 272

YA Bychokov, EI Rashba, Properties of a 2D electron gas with lifted spectral degeneracy. JETP Lett 39, 78 (1984). / JETP Lett / Properties of a 2D electron gas with lifted spectral degeneracy by Bychokov YA (1984)
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10.1103/PhysRevLett.101.266802
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10.1038/nmat3051
10.1002/adma.201203199
10.1002/adma.201302797
10.1021/ic401215x
10.1107/S0108768110014734
S Picozzi Ferroelectric Rashba semiconductors as a novel class of multifunctional materials. arXiv:1312.0095. (2013). (10.3389/fphy.2014.00010)
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10.1103/PhysRevB.47.558
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10.1016/j.cpc.2007.11.016

Dates

Type	When
Created	11 years, 4 months ago (May 1, 2014, 7:10 a.m.)
Deposited	3 years, 4 months ago (April 16, 2022, 12:31 p.m.)
Indexed	4 days ago (Aug. 29, 2025, 6:26 a.m.)
Issued	11 years, 4 months ago (April 30, 2014)
Published	11 years, 4 months ago (April 30, 2014)
Published Online	11 years, 4 months ago (April 30, 2014)
Published Print	11 years, 3 months ago (May 13, 2014)

Funders 0

None

BibTeX

@article{Kim_2014, title={Switchable S = 1/2 and J = 1/2 Rashba bands in ferroelectric halide perovskites}, volume={111}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.1405780111}, DOI={10.1073/pnas.1405780111}, number={19}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Kim, Minsung and Im, Jino and Freeman, Arthur J. and Ihm, Jisoon and Jin, Hosub}, year={2014}, month=apr, pages={6900–6904} }

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