$^{89}$Y nuclear spin-lattice relaxation in SrY$_2$O$_4$:Ho$^{3+}$ single crystals
A.V. Dooglav, I.F. Gilmutdinov, V.I. Katkov, A.G. Kiiamov, I.R., Mukhamedshin
TL;DR
This study investigates the nuclear spin-lattice relaxation of 89Y in SrY2O4:Ho3+ crystals, revealing that relaxation at low temperatures is driven by magnetic fluctuations from Ho3+ ion transitions between Zeeman sublevels.
Contribution
It provides the first detailed analysis of 89Y relaxation mechanisms in SrY2O4:Ho3+ crystals at low temperatures, highlighting the role of Ho3+ magnetic fluctuations.
Findings
89Y relaxation occurs below 20 K due to Ho3+ transitions
Magnetic field aligned with the crystal c axis influences relaxation
Fluctuations between Zeeman sublevels dominate relaxation process
Abstract
Measurements of 89Y nuclear spin-lattice relaxation in SrY2O4:Ho3+ crystals for the magnetic field B parallel to the crystal c axis show that 89Y at T < 20 K relaxes due to fluctuating magnetic field created only by Ho13+ transitions between the ground and the first excited Zeeman sublevels of the 5I8 multiplet.
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Taxonomy
TopicsSeismology and Earthquake Studies · Seismic Imaging and Inversion Techniques · Atomic and Subatomic Physics Research