New Mixed Alkali Effect in the ac Conductivity of Ion-Conducting Glasses

Autor:	Sabine Brunklaus, Eva-Maria Ratai, Cornelia Cramer, Y. Gao
Rok vydání:	2003
Předmět:	Materials science Terahertz radiation Dc conductivity Mixed alkali effect Analytical chemistry General Physics and Astronomy Ionic conductivity Conductivity spectra Alkali metal Spectral line Ion
Zdroj:	Physical Review Letters. 91
ISSN:	1079-7114 0031-9007
DOI:	10.1103/physrevlett.91.266601
Popis:	We have determined the first wide-range conductivity spectra of a mixed alkali glass system, extending from 10 - 3 Hz to 1.3 THz. We report on a new mixed alkali effect in the ac conductivity that is evident even if the low-frequency contributions (linked to hopping motions of the mobile cations) are removed from the experimental spectra From our results we conclude that the nonhopping contributions to the ac conductivity involve both the mobile ions and the glassy network.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0afc0ce5a417c015c88074c9a0a37dbc https://doi.org/10.1103/physrevlett.91.266601 Zobrazit plný text záznamu