Crystal field excitations and magnons: their roles in oxyselenides Pr2O2M2OSe2 (M = Mn, Fe)
R. K. Oogarah, C. P. J. Stockdale, C. Stock, J. S. O. Evans, A. S., Wills, J. W. Taylor, E. E. McCabe
TL;DR
This study uses neutron scattering to explore the crystal and magnetic structures of Pr2O2M2OSe2 oxyselenides, revealing the influence of Pr3+ ions and field-induced magnetic order.
Contribution
It provides new insights into the crystal field excitations and magnetic ordering mechanisms in Pr2O2M2OSe2 compounds, highlighting the role of Pr3+ ions.
Findings
Pr3+ crystal field excitations characterized
Long-range Pr3+ magnetic order induced by magnetic field
Structural analysis of Pr2O2M2OSe2 compounds
Abstract
We present the results of neutron scattering experiments to study the crystal and magnetic structures of the Mott-insulating transition metal oxyselenides Pr2O2M2OSe2 (M = Mn, Fe). The structural role of the non-Kramers Pr3+ ion is investigated and analysis of Pr3+ crystal field excitations performed. Long-range order of Pr3+ moments in Pr2O2Fe2OSe2 can be induced by an applied magnetic field.
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