Origin of second-harmonic generation in the incommensurate phase ofK2SeO4

2004/07/07 by T. A. Aslanyan
Chemistry · Materials Science · Physics and Astronomy · #Crystallography and molecular interactions #Nonlinear Optical Materials Research #Solid-state spectroscopy and crystallography #cond-mat.mtrl-sci

paper · pdf · doi:10.1103/physrevb.70.024102

published as PHYSICAL REVIEW B 70, 1, 024102 (2004) · 5 pages, 1 figure

openalex publication_date 2004/07/07 · arxiv created 2005/01/28 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

We show that a ferroelectric phase transition takes place in the incommensurate phase of the K₂SeO₄ crystal. The ferroelectric character of the incommensurate phase explains the second-harmonic generation observed in the corresponding temperature range.

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