Relaxation mode in SrTio 3 : A mode to test melting models? | Zendy

Barbosa G. A. | Zendy; Dos Santos J. I. | Zendy

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Relaxation mode in SrTio 3 : A mode to test melting models?

Author(s) -

Barbosa G. A.,

Dos Santos J. I.

Publication year - 1981

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.1250100117

Subject(s) - raman spectroscopy , relaxation (psychology) , mode (computer interface) , phonon , melting point , condensed matter physics , materials science , work (physics) , spectral line , melting temperature , chemistry , thermodynamics , physics , optics , composite material , computer science , quantum mechanics , psychology , social psychology , operating system

In this work, Raman spectra are presented from room temperature up to 800°C. Each spectrum is seen as a contribution of two processes—a ‘one‐phonon’ disordered process and a relaxation mode. The relaxation time associated with this mode shows a linear decrease with increasing temperature, going to zero as the melting point is approached.

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