A STEM study of twin defects in Fe 3 O 4 (111)/YZO(111)

A STEM study of twin defects in Fe 3 O 4 (111)/YZO(111)
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Fe 3 O 4 (111)/YZO(111)孪晶缺陷的STEM研究

DOI:
10.1088/1742-6596/522/1/012036
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发表时间:
2014
期刊:
Conference Series
影响因子:
--
通讯作者:
Gilks D
Gilks D
中科院分区:
--
文献类型:
--
作者:
Gilks D

文献摘要

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我们使用原子分辨高角度环形暗场 (HAADF) STEM 成像观察薄膜 Fe 3 O 4 的 (111) 和 (11-2) 平面上的孪晶缺陷。这些缺陷对于理解先前报道的 Fe 3 O 4 薄膜的异常性质具有重要意义,因为它们产生非本体键合构型,导致这些区域中的非本体超交换相互作用。
We observe twin defects on both the (111) and (11-2) planes of thin film Fe 3 O 4 using atomically resolved high angle annular dark field (HAADF) STEM imaging. These defects are significant for understanding the previously reported anomalous properties of Fe 3 O 4 films as they generate non-bulk bonding configurations leading to non-bulk superexchange interactions in these regions.