%0 Journal Article %K Ionization %K Visible spectra %K Plasma ionization %K Aluminium %K Ionizing radiation %A Joakim Andersson %A Pavel A Ni %A André Anders %B Applied Physics Letters %D 2013 %N 5 %P 054104 %R 10.1063/1.4817257 %T Spectroscopic imaging of self-organization in high power impulse magnetron sputtering plasmas %V 103 %8 07/2013 %! Appl. Phys. Lett.