Large area ring-shaped LaB6 cathode

被引:0
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作者
Lin, Zu-Lun [1 ]
Cao, Gui-Chuan [1 ]
Zhang, Yi-De [1 ]
Chen, Ze-Xiang [1 ]
Qi, Kang-Cheng [1 ]
机构
[1] School of Opto-electronic Information, University of Electronic Science and Technology of China, Chengdu 610054, China
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Electron beams;
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页码:305 / 308
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