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Growth and EPR properties of ErVO4 single crystals

Leniec G., Kaczmarek S. M., Berkowski M., Głowacki M., Skibiński T., Bojanowski B

Nukleonika

2015

Vol. 60, No. 3, part 1

405--410

Single crystals of ErVO4 were grown by the Czochralski method under ambient pressure in a nitrogen atmosphere. Obtained crystals were transparent with strong pink coloring. Electron paramagnetic resonance (EPR) spectra were recorded as a function of the applied magnetic fi eld. Temperature and angular dependences of the EPR spectra of the samples in the 3–300 K temperature range were analyzed applying both Lorentzian– –Gauss approximation for diluted medium and Dyson for dense magnetic medium. EPR-NMR program was done to fi nd local symmetry and spin Hamiltonian parameters of erbium ions.