OXIDATION-STATE OF FE AND TI IONS IMPLANTED IN YTTRIA-STABILIZED ZIRCONIA STUDIED BY XPS

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作者：
VANHASSEL, BA
BURGGRAAF, AJ
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来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1991年 / 52卷 / 06期
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T [工业技术];
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08 ;
摘要：
The oxidation state of Fe and Ti ions implanted in yttria stabilized zirconia (YSZ) was studied by XPS (X-ray photoelectron spectroscopy) in combination with depth profiling using Ar+ sputtering. In the "as-implanted" state of the sample Fe was found to be present as Fe3+, Fe2+ and as metallic Fe0. This is in agreement with earlier conversion electron Mossbauer Spectroscopy measurements. For Ti-implanted YSZ in the "as-implanted" state the majority of the Ti is present as Ti4+, Ti3+, and Ti2+ ions, while a part of the Zr cations is present in the divalent oxidation state (Zr2+). After oxidation in air, the Fe and Ti ions are present only in the valence three and four oxidation states, respectively.
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页码：410 / 417
页数：8
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