I am delighted to present the highlights of 2014, all of which are free to read until the end of 2015. Our annual selection was made by the Editorial Board to represent the breadth and excellence of the work published in 2014.
I would like to thank all our authors and referees for the continued support of, and I hope you enjoy reading this special collection.
W G Graham Editor-in-Chief (Queen's University Belfast)
Rare gas flow structuration in plasma jet experiments2014 Plasma Sources Sci. Technol. 23 012003
Pure air–plasma bullets propagating inside microcapillaries and in ambient air2014 Plasma Sources Sci. Technol. 23 062006
Ion distribution functions at the electrodes of capacitively coupled high-pressure hydrogen discharges2014 Plasma Sources Sci. Technol. 23 015001
Combined diffusion coefficients for a mixture of three ionized gases2014 Plasma Sources Sci. Technol. 23 065044