A new fabrication method of barium-calcium aluminate electron emitting material - Details

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Abstract：

In　this　paper,　a　new　fabrication　method　of　barium-calcium　aluminate　impregnated　cathodes　is　reported.　Barium-calcium　aluminates　were　fabricated　by　one-pot　hydrothermal　reaction.　The　sintering　temperature　of　the　material　is　lower　than　the　conventional　method　about　100　°C　and　the　impregnation　temperature　is　decreased　about　50　°C.　The　pulsed　emission　current　density　of　this　cathode　could　reach　12.64A/cm2　at　110　°Cb　which　was　equal　with　the　conventional　impregnated　Ba-W　cathode.　©　2015　IEEE.

Keyword：

Ba-W; barium-calcium aluminates; cathode; emission property

Author Community：

[ 1 ] [Wang, Q.]College of Materials Science and Engineering, Beijing University of Technology, 100 Pingleyuan, Beijing, 100124, China
[ 2 ] [Liu, W.]College of Materials Science and Engineering, Beijing University of Technology, 100 Pingleyuan, Beijing, 100124, China
[ 3 ] [Dong, L.]College of Materials Science and Engineering, Beijing University of Technology, 100 Pingleyuan, Beijing, 100124, China
[ 4 ] [Zhu, X.]College of Materials Science and Engineering, Beijing University of Technology, 100 Pingleyuan, Beijing, 100124, China
[ 5 ] [Liu, X.]College of Materials Science and Engineering, Beijing University of Technology, 100 Pingleyuan, Beijing, 100124, China
[ 6 ] [Wang, J.]College of Materials Science and Engineering, Beijing University of Technology, 100 Pingleyuan, Beijing, 100124, China

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Proceedings of 2015 IEEE International Vacuum Electronics Conference, IVEC 2015

Year： 2015

Language： English

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材料与制造学部本学院/部未明确归属的数据

材料与制造学部材料科学与工程学院

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