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铁电阴极材料电子发射机理的实验研究
作者:张树人 蔡雪梅 钟朝位 郭曙光 
单位:电子科技大学电子材料工程系!成都610054 电子科技大学电子材料工程系!成都610054 电子科技大学电子材料工程系!成都610054 电子科技大学电子材料工程系!成都610054 
关键词:铁电阴极  快极化反转  X射线衍射 
分类号:O462
出版年,卷(期):页码:2000,28(2):128-132
DOI:
摘要:
快极化反转在铁电阴极电子发射过程中具有决定性的作用 ,本工作采用XRD ,SEM等方法研究铁电发射机理 ,XRD图谱、晶胞参数测试结果以及扫描电镜观察到的电畴排列状况等从多个角度反映出不同铁电材料在电子发射前、后的晶体结构及电畴结构的相应变化状况 ,对实验结果的分析有助于理解铁电阴极电子发射机理以及性能与组成、结构之间的关系 .
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The fast polarization switch plays an important role in electron emission from ferroelectric cathode. The electron emission mechanism is studied by XRD and SEM. The experimental results reveal the changes of crystal structure parameters and the orientation of domains of different ferroelectrics before and after electron emission. The microstructure analysis is helpful to obtain further understanding of the electron emission mechanism and the relationship of the properties with the composition and the microstructure.
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参考文献:
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