The Rare-earth Based Single-ion Magnet CsNd(MoO_{4})_{2}
Vladimír Tkáč, K. Tibenská, Alžbeta Orendáčová, Martin Orendáč, A. G. Anders, Vladimı́r Pavlı́k, A. Fehér · Acta Physica Polonica A · 2014
Specic heat, magnetization and DC susceptibility of the single crystal CsNd(MoO4)2,a layered rare-earth dimolybdate, have been investigated nominally, in the temperature range from 100 mK to 300 K in the magnetic eld up to 5 T, applied along the a axis.The analysis of the experimental data revealed the absence of a phase transition to the magnetic ordered state down to 100 mK.The application of a standard two-level model yielded an excellent agreement with the specic heat data above 2 K in nonzero magnetic eld indicating a weakness of magnetic correlations and a predominant occupation of the ground-energy doublet.The latter indicates a large energy separation between the ground and rst excited doublet.These measurements suggest that CsNd(MoO4)2 can represent a good realization of a single-ion magnet.