Physics of the Solid State
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Paramagnetic centers in chromium-doped Na5AlF2(PO4)2 single crystal
Vazhenin V. A. 1, Potapov A. P.1, Fokin A. V. 1, Artyomov M. Yu. 1
1Institute of Natural Sciences and Mathematics, Ural Federal University, Yekaterinburg, Russia
Email: Vladimir.Vazhenin@urfu.ru

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The paramagnetic resonance of Na5AlF2(PO4)2 single crystals with chromium impurity was studied. The Cr3+ centers have been found to replace the triclinic Al3+ positions. In the local coordinate system, the spectra of these centers were described by the spin Hamiltonian of rhombic symmetry. In addition, vanadium centers and unidentified triclinic symmetry centers have been observed. Keywords: impurity ions, aluminum fluoride phosphate, paramagnetic resonance.
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