A. Kuzmenko

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cond-mat.mtrl-sci2026

Terahertz optical activity near crystal field transitions of Tm3+ ions in magnetoelectric alumoborates

A. M. Kuzmenko, V. Yu. Ivanov, S. V. Garnov +5

Crystal field (CF) excitations in the ground multiplet $^{3} H_{6}$ of Tm $^{3 +}$ ions were investigated using terahertz transmission spectra of magnetoelectric TmAl $_{3}$ (BO $_{3}$ ) $_{4}$ and…

cond-mat.mtrl-sci2024

Resolving the local distortions of Ising-like moments in magnetoelectric Ho-doped langasite

A. Yu. Tikhanovskii, V. Yu. Ivanov, A. M. Kuzmenko +9

The magnetic properties of Ho-doped langasites (La:Ho) $_{3}$ Ga $_{5}$ SiO $_{14}$ are dominated by the Ising-like magnetic moments of the Ho $^{3 +}$ ions. In their saturated regime, the in…