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Isothermal transient ionic current as a characterization technique for ion transport in Ta2O5
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för materialvetenskap.ORCID-id: 0000-0002-5496-9664
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för materialvetenskap.ORCID-id: 0000-0002-8279-5163
1999 (engelsk)Inngår i: Journal of Applied Physics, ISSN 0021-8979, E-ISSN 1089-7550, Vol. 85, nr 12, s. 8199-8204Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The Isothermal Transient Ionic Current (ITIC) technique was applied to β-Ta2O5 samples made by chemical vapor deposition. The mobility, conductivity, and number of protons in the material could be extracted from the measurements. Li ions were intercalated electrochemically into the β-Ta2O5 and it was found that the ITIC method could separate the contribution from proton and Li ion conduction in such a way that the mobilities of both species could be extracted. Furthermore, the lattice-gas model [A. J. Berlinsky, W. G. Unruh, W. R. McKinnon, and R. R. Haering, Solid State Commun. 31, 135 (1979)] was employed to describe the Li interaction process. This model showed that the Li ions tended to distribute uniformly, rather then to attract each other and form clusters in the material.

sted, utgiver, år, opplag, sider
1999. Vol. 85, nr 12, s. 8199-8204
Emneord [en]
K+ IONS; CONDUCTIVITY; SIO2-FILMS; MOBILITY; OXIDE; FILMS; NA+
HSV kategori
Identifikatorer
URN: urn:nbn:se:uu:diva-84643DOI: 10.1063/1.370694OAI: oai:DiVA.org:uu-84643DiVA, id: diva2:112551
Tilgjengelig fra: 2008-10-17 Laget: 2008-10-17 Sist oppdatert: 2017-12-14bibliografisk kontrollert

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