Y2O3-Lu2O3 co-doped molybdenum secondary emission material
Magnetron, as an important kind of high power microwave devices, has a wide applications in many fields, such as military, medical and civil fields1. As the key component of magnetron, cathode plays an important role in the magnetron. With the development of high power, high-frequency magnetron, the cathode is needed to have excellent secondary electron emission properties. It was found in our previous work that La2O3-Y2O3-Mo prepared by solid-liquid doping method exhibited a certain secondary emission property2. Therefore we doped Y2O3 and Lu2O3 into molybdenum powder by a solid-liquid method in order to obtain a secondary emission material with a higher secondary emission yield (δ). The emission property and secondary emission mechanism of Y2O3-Lu2O3-Mo have been studied in this paper.
F.Yang J.S.Wang W.Liu Y.M.Wang
School of Materials Science and Engineering, Beijing University of Technology, Chaoyang District, Beijing100124, China
国际会议
2010 8th International Vacuum Electron Sources Conference and NANOcarbon(第八届真空电子源和纳米碳国际会议)
南京
英文
258-259
2010-10-14（万方平台首次上网日期，不代表论文的发表时间）