Fabrication and Emission Property of Polycrystalline La0.4Pr0.6B6 Bulk   Prepared by Spark Plasma Sintering
MA Ru-Guang, LIU Dan-Min, ZHOU Shen-Lin, ZHANG Jiu-Xing
Journal of Inorganic Materials . 2010, (7): 743 -747 .  DOI: 10.3724/SP.J.1077.2010.00743