2016•Bulletin of the Russian Academy of Sciences PhysicsRequires access

Raman scattering in a ferroelectric sodium nitrite crystal

В. С. Горелик, A. Yu. Pyatyshev, А. С. Крылов

Abstract

Raman spectra of the ferroelectric sodium nitrite are recorded over a wide spectral range at different temperatures, including the ferroelectric phase transition interval. The room-temperature Raman spectrum reveals the overdamped А 1(z) soft mode which is attributed to the ferroelectric phase transition.

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Key concepts: Ferroelectricity, Raman scattering, Sodium nitrite, Raman spectroscopy, Crystal (programming language), Materials science, Sodium, Optics