A schematic representation of the likely structure of the nanocluster-assembled thin film (a). The vanadium oxides were omitted for clarity. (b) The Kerr rotation as function of applied magnetic field for the studied sample and for a fully oxidized film, in vacuum. (c) XRD pattern of the as-prepared nanocluster-assembled thin film.
The Kerr rotation as a function of temperature for a sample in ambient air (black squares), in vacuum (red dots) and in 0.2 bar of hydrogen (blue triangles).
(a) The Kerr rotation as a function of hydrogen pressure. (b) The slope of the Kerr rotation as a function of temperature, versus hydrogen pressure.
The Kerr rotation as a function of time, starting at a hydrogen pressure of 1 bar, measured at .
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