Figure 4From: Field Emission of ITO-Coated Vertically Aligned Nanowire Array a Field emission I-E curve of the ITO-coated VANA measured under a vacuum of 1.59 × 10−5 torr. b Corresponding F–N curve obtained from I-E curve. c Field emission current stability of ITO-coated VANA at 1.59 × 10−5 torrBack to article page