A series of Mg–V alloys were produced by physical vapour deposition (PVD). Both c and a lattice parameters, as well as the c/a ratio, decreased with increasing vanadium content. The deposits were characterised by a strong basal texture. The solid solubility of vanadium in magnesium was extended to ∼ 17 wt-% V: Grain refinement occurred with increasing solute content. The solid solution breakup temperature decreased as the vanadium content in the alloys increased. Pure vanadium precipitated when solid solubility was not retained. A thin oxide layer of between 10 and 20 nm existed at the surfaces of the alloys and consisted predominantly of hydromagnesite at the outermost surface with Mg(OH)2 in an excess of MgO underneath. No evidence of vanadium oxide in the surface film was found. Magnesium oxide was also found to exist between the grains of the deposits, creating a graded metal/oxide interface.
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