| 铁电畴的环境扫描电子成像术 |
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| 引用本文： | 祝世宁.铁电畴的环境扫描电子成像术[J].物理,1999,28(12):705-707. |
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| 作者姓名： | 祝世宁 |
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| 作者单位： | [1]南京大学固体微结构国家重点实验室 [2]美国宾夕法尼亚州立大学材料研究实验室 |
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| 摘 要： | 利用环境扫描电为微术（ＥＳＥＭ）直接在铁电晶体ＬｉＴａＯ３极性表面观察到铁电畴二次电子发射形成的衬度像。这种铁电畴成像的新方法无需对样品表面进行处理，正负畴衬度图像十分稳定，并具有较高的图像分辩率。
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| 关 键 词： | 环境扫描电子显微术 畴结构 铁电晶体 |
IMAGING OF FERROELECTRIC DOMAINS BY ENVIRONMENTAL SCANNING ELECTRON MICROSCOPY |
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| Zhu Shining\ Liu Zhaowei.IMAGING OF FERROELECTRIC DOMAINS BY ENVIRONMENTAL SCANNING ELECTRON MICROSCOPY[J].Physics,1999,28(12):705-707. |
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| Authors: | Zhu Shining\ Liu Zhaowei |
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| Abstract: | Direct observation of ferroelectic domain structures in LiTaO\-3 crystal has been realized using environmental scanning electron microscopy in secondary electron emission mode.The new method can nondestructively provide domain contrast image at submicron resolution and the contrast image is very stable.Conditions for the best contrast of LiTaO\-3 have been established. |
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| Keywords: | ESEM LiTaO_3 crystal domain structure contrast |
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