Ferromagnetic resonance in an antiferromagnetic crystal EuSn${}_2$As${}_2$

I. I. Gimazov, D. E. Zhelezniakova, R. B. Zaripov +7

We report results of electron spin resonance (ESR) measurements in single crystals of EuSn${}_2$As${}_2$. In the temperature range of antiferromagnetic (AFM) ordering of Eu atoms, $T \…