TY - JOUR T1 - Electron field emission measurements from boron-doped CVD diamond on tantalum JO - Brazilian Journal of Physics A1 - Gonçalves, J. A. N. A1 - Sandonato, G. M. A1 - Iha, K. SN - 0103-9733 UL - 10.1590/S0103-97332003000100006 VL - 33 Y1 - 2003 PB - Brasil ER -