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Magnetic resonance and dielectric studies of a nonlinear La 3Ga5.5Ta0.5O14 single crystal doped with erbium

Citation:

Bodziony T, Typek J, Orlowski M, Majszczyk J, Wabia M, Berkowski M, Ryba-Romanowski W, Guskos N, Likodimos V, Anagnostakis EA. Magnetic resonance and dielectric studies of a nonlinear La 3Ga5.5Ta0.5O14 single crystal doped with erbium. Acta Physica Polonica A [Internet]. 2003;103:315-322.

Abstract:

{Single crystal of erbium doped La3Ga5.5Ta 0.5O14 grown by the Czochralski method have been investigated by electron paramagnetic resonance and dielectric spectroscopy methods. Dielectric permittivity ε measurements performed in 90-440 K temperature range have shown negligible dispersion for 1 kHz - 1 MHz frequencies and a Curie-Weiss type behaviour with C = 47700 K and θ = -340 K. Electron paramagnetic resonance studies have revealed the presence of two different paramagnetic, monoclinic centres. The calculated g factor values are: g1 = 1.449

Notes:

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