Technical Physics Letters
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Effect of annealing in different medium on the properties of calcium fluoride nanopowder
Sokovnin S.Yu.
1,2, Ilves V.G.
1, Uimin M.A.
2,3
1Institute of Electrophysics of the Ural Branch of the Russian Academy of Sciences, Yekaterinburg, Russia
2Ural Federal University after the first President of Russia B.N. Yeltsin, Yekaterinburg, Russia
3M.N. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Yekaterinburg, Russia
2Ural Federal University after the first President of Russia B.N. Yeltsin, Yekaterinburg, Russia
3M.N. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Yekaterinburg, Russia
Email: sokovnin@iep.uran.ru, ilves@iep.uran.ru, uimin@imp.uran.ru
Using a pulsed electron beam evaporation in vacuum a mesoporous nanopowder CaF2 with a specific surface area up to 60.5 m2/g were produced. The effect of annealing in different media on the evolution of magnetic and texture properties of CaF2 nanoparticles has been studied. For the first time, the effect of annealing medium on the specific surface area and magnetization of CaF2 nanopowders was discovered. Keywords: nanopowders, calcium fluoride, ferromagnetism, electron beam evaporation.
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