Prevention of electron field emission from molybdenum substrates for photocathodes by the native oxide layerStefan Lagotzky, Roman Barday, Andreas Jankowiak, Thorsten Kamps, Carola Klimm, Jens Knobloch, Günter Müller, Boris Senkovskiy and Frank SiewertEur. Phys. J. Appl. Phys., 70 2 (2015) 21301DOI: https://doi.org/10.1051/epjap/2015150167