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Direct evidence for conduction pathways in a solid electrolyte.
Phys Rev Lett ; 97(13): 136601, 2006 Sep 29.
Artigo em Inglês | MEDLINE | ID: mdl-17026057
The emission of silver ions from the apex of an amorphous electrolyte tip has been investigated by field ion microscopy. The ion emission patterns show discrete nanometer-sized spots. We present evidence that they represent the termination of bulk ion conduction pathways at the solid-vacuum interface. The analysis of the signals from individual emission sites suggests the existence of a network of such pathways in the solid. Auto- and cross-correlation measurements of the currents from individual sites provide quantitative information on the microscopic dynamics of charge transport in solid electrolytes as well as on the lateral extent of the pathway network.





Coleções: Bases de dados internacionais Base de dados: MEDLINE Tipo de estudo: Policy_brief Idioma: Inglês Revista: Phys Rev Lett Ano de publicação: 2006 Tipo de documento: Artigo País de afiliação: Suíça