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电子束辐照下钛酸锶钡薄膜的子能量损失谱研究 被引量:1

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摘要 实验发现在较高电流密度的电子束照射下(电流密度约为2nA/cm2),BST薄膜有辐照损伤现象发生.原位实时记录的Ti和O的电子能量损失电离边峰强度比和相对位移的变化表明:损伤过程主要表现为薄膜失氧及其导致的正离子化学价态的变化.具高空间分辨的电子能量损失谱研究证明:相对于具有完整晶体结构的柱状晶晶粒内部,有着特殊结构和化学环境的柱状晶晶粒边界是失氧的主要途径.
作者 饶杰 朱静
出处 《中国科学(E辑)》 CSCD 北大核心 2004年第9期961-968,共8页 Science in China(Series E)
基金 国家自然科学基金 国家973项目 清华大学985项目资助
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同被引文献8

  • 1崔孟龙,朱静.稀磁半导体薄膜Ti_(0.93)Co_(0.07)O_2显微结构的研究[J].电子显微学报,2004,23(6):603-608. 被引量:3
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