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Correlation between ion hopping conductivity and near constant loss in ionic conductors



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León Yebra, Carlos y Ngai, K. L. y Rivera Calzada, Alberto Carlos (2004) Correlation between ion hopping conductivity and near constant loss in ionic conductors. Physical review B, 69 (13). ISSN 1098-0121

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URL Oficial: http://dx.doi.org/10.1103/PhysRevB.69.134303

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For ionic conductivity relaxation in ionically conducting materials we predict in the framework of the coupling model that the magnitude of the ubiquitous near constant loss correlates with the activation energy E_(a) for independent ion hopping. Using experimental data of a variety of ionic conductors, this correlation has been borne out. The model also explains the observed correlation between the magnitude of the near constant loss and the value of the dc conductivity at room temperature, as well as the temperature dependence for the near constant loss.

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© 2004 The American Physical Society. C.L. and A.R. thank J. Santamaría for fruitful discussions. Financial support from CICYT Grant No. MAT2001-3713- C04 is acknowledged. The work performed at NRL was supported by ONR.

Palabras clave:AC conductivity; Oxide glasses; Relaxation; Behavior; Universality; Frequency; Crystals; Spectra: Solids; Melts.
Materias:Ciencias > Física > Electricidad
Ciencias > Física > Electrónica
Código ID:30697
Depositado:09 Jun 2015 11:57
Última Modificación:09 Jun 2015 11:57

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