Study of Co and Fe-doped ZnO milled nanopowders
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- 作者：M. Meyer ; meyer@fisica.unlp.edu.ar" class="auth_mail" title="E-mail the corresponding author ; marcosmey@gmil.com" class="auth_mail" title="E-mail the corresponding author ; L.C. Damonte
- 关键词：Semiconductors ; Nanoparticle ; XAFS
- 刊名：Powder Technology
- 出版年：2015
- 出版时间：December 2015
- 年：2015
- 卷：286
- 期：Complete
- 页码：371-377
- 全文大小：1522 K
文摘
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Fe- and Co-doped ZnO nanopowders were obtained by mechanical milling from different starting materials.
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The local structural properties were investigated using X-ray diffraction and XAFS.
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Progressive incorporation of doped atom into the ZnO wurtzite crystalline structure was observed.
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The oxidation states of 2+ and 3+ for Fe atoms and 2+ for Co ones were confirmed by XAFS.
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The presence of oxygen vacancies is predicted by EDAX and XAFS.