Authors: Johnson, PB Markwitz, A Gilberd, PW

Citation: Pb. Johnson et al., Shallow nanoporous surface layers produced by helium ion implantation, ADVAN MATER, 13(12-13), 2001, pp. 997

Authors: Johnson, PB Gilberd, PW Markwitz, A Trompetter, WJ Collins, GA Short, KT Cohen, DD Dytlewski, N

Citation: Pb. Johnson et al., Oxygen and hydrogen profiles in metal surfaces following plasma immersion ion implantation of helium, SURF COAT, 136(1-3), 2001, pp. 217-222

Authors: Johnson, PB Gilberd, PW Markwitz, A Raudsepp, A Brown, IWM

Citation: Pb. Johnson et al., Helium ion implantation in SiAlON: Characterisation of cavity structures using TEM and IBA, NUCL INST B, 166, 2000, pp. 121-127

Authors: Markwitz, A Johnson, PB Gilberd, PW Collins, GA Cohen, DD Dytlewski, N

Citation: A. Markwitz et al., Ion beam analysis of nanoporous surfaces produced by He-implantation and oxidised by plasma-immersion ion-implantation, NUCL INST B, 161, 2000, pp. 1048-1053