Abstract
The electron paramagnetic resonance (EPR) of Nd 3+ ion in KY(WO 4) 2 single crystal was investigated at T=4.2 K using an X-band spectrometer. The observed resonance absorption represents the complex superposition of three spectra corresponding to neodymium isotopes with different nuclear momenta. The EPR spectrum is characterized by a strong g-factor anisotropy. The temperature dependences of the g-factor were caused by strong spin–orbit and orbit–lattice coupling. The resonance lines become broader as temperature increases due to the short spin–lattice relaxation time.
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