supported by the 863 program of China (2006AA03Z524, 2008AA031001);National Nature Foundation (50801001);Beijing New Century Hundred, Thousand and Ten Thousand Talent Project (Q1009001200802)
La2O3 and Y2O3 co-doped Mo secondary emitters were prepared by three kinds of doping method combined with high temperature plasma sintering.The secondary electron emission property and microstructure of the cathodes w...
supported by the Program for New Century Excellent Talents in Universities,the National High Technology Research and Development Program of China(No.2006AA03Z524);the National Natural Science Foundation of China(No.50571001).
As a matrix for Sc-type impregnated cathode,scandia doped tungsten with a uniform distribution of Sc2O3 was obtained by powder metallurgy combined with the liquid-solid doping method.The microstructure and composition...