A study of temperature dependent ɛ''(ω) in amorphous ferroelectrics: Mode coupling theory analysis

Details A study of temperature dependent ɛ''(ω) in amorphous ferroelectrics: Mode coupling theory analysis A study of temperature dependent ɛ''(ω) in amorphous ferroelectrics: Mode coupling theory analysis

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aipc..519..170h&link_type=abstract

STATISTICAL PHYSICS: Third Tohwa University International Conference. AIP Conference Proceedings, Volume 519, pp. 170-172 (2000

Physics

Permittivity, Dielectric Loss And Relaxation, Niobates, Titanates, Tantalates, Pzt Ceramics, Etc.

Scientific paper

We analyzed the imaginary part of frequency dependent dielectric constant ɛ''(ω) of amorphous LiNbO3 at temperatures below the crystallization using the Mode coupling theory (MCT). We found that ion transportation behavior in amorphous LiNbO3 can be explained well by the MCT α relaxation predictions. We observed the α relaxation scaling in ɛ''(ω) and as a result of which the α relaxation stretched exponent βDC was temperature independent with βDC~=0.6. .

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