Preparation of amorphous films of superionic conducting glasses in systems AgIAg2MoO4 and AgIAg2OB2O3 |
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Authors: | Tsutomu Minami Hiromitsu Kaneko |
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Affiliation: | Department of Applied Chemistry, University of Osaka Prefecture, Sakai-Shi, Osaka-Fu 591, Japan |
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Abstract: | Thermal evaporation, flash evaporation and rf-sputtering techniques were applied to the preparation of amorphous films of superionic conducting glasses in the systems AgIAg2MoO4 and AgIAg2OB2O3. The flash-evaporated films were amorphous and showed very high conductivities, about 2 × 10?2S/cm for the AgIAg2MoO4 and about 5 × 10?3S/cm for the AgIAg2OB2O3 at room temperature, and gave a Ag+ transport number of unity. The thermal evaporation method produced crystalline-phase included films. The rf-sputtered films were amorphous by X-ray diffraction and the transport number of Ag+ ions was smaller than unity (about 0.9). Thus flash evaporation was concluded to be the most suitable method for preparing amorphous films of superionic conducting glasses. |
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