Crystal field and spin-fluctuations in heavy fermion metal CeAl3, YbRh2Si2 and UPd2Al3*

TL;DR

This paper demonstrates the coexistence of localized crystal-field states with conduction electrons in certain heavy fermion metals, highlighting the importance of local atomic structure in their magnetic properties.

Contribution

It provides evidence for localized crystal-field states coexisting with conduction electrons in heavy fermion metals and emphasizes the role of local atomic structure in their magnetism.

Findings

Localized crystal-field states exist in CeAl3, UPd2Al3, and YbRh2Si2.

Magnetism is strongly correlated with local atomic-scale crystal structure.

Coexistence of localized states and conduction electrons in these materials.

Abstract

We have shown the existence of localized crystal-field states in conducting magnetic materials coexisting with conduction electrons in CeAl3, UPd2Al3 and YbRh2Si2. We point out that the magnetism is strongly correlated with the very detailed local atomic-scale crystal structure.