夏明岗
- 教授
- Supervisor of Doctorate Candidates
- Supervisor of Master's Candidates
- E-Mail:
- Date of Employment:2002-04-09
- Education Level:With Certificate of Graduation for Doctorate Study
- Professional Title:教授
- Status:Employed
- Alma Mater:西安交通大学
- College:School of Physics
- Discipline:Physics
- Papers
Large linear and nonlinear electro-optic coefficients in two-dimensional ferroelectrics
Release Time:2025-04-30 Hits:
- Date:2025-04-30
- Title of Paper:Large linear and nonlinear electro-optic coefficients in two-dimensional ferroelectrics
- Journal:Phys. Rev. B (Lett.)
- Summary:Analytical derivations and first-principles calculations are performed to investigate the electro-optic (EO) response of the two-dimensional ferroelectric SnS in its monolayer form. In addition to derive the formula for EO coefficients for two-dimensional systems, large linear and nonlinear electro-optic coefficients are discovered, along with a strongly nonlinear electro-optic response as a function of electric field. The origin of these electro optic responses is further found and involves a few specific phonon modes, in general, and the evolution of their frequencies and atomic characteristics under electric fields, in particular. Large linear and nonlinear electro-optic coefficients can be found in other two-dimensional ferroelectrics, paving the way for potential optical device applications.
- Co-author:Z. J. Jiang, C. Paillard, H. O. H. Churchill, M. G. Xia, S. L. Zhang, H. J. Xiang*, L. Bellaiche*
- Volume:106
- Page Number:L081404
- Translation or Not:No
- Date of Publication:2022-08-15