Neutron Scattering Studies of Heavy Fermion Systems

TL;DR

This paper reviews neutron scattering studies on various heavy fermion compounds, revealing their complex magnetic and electronic ground states through experimental insights into their magnetic order and fluctuations.

Contribution

It provides a comprehensive overview of recent neutron scattering results across multiple heavy fermion materials, highlighting their diverse ground states and magnetic behaviors.

Findings

Neutron scattering reveals magnetic order in heavy fermion compounds.

Fluctuations associated with different ground states are characterized.

The review consolidates experimental data on several key materials.

Abstract

We review the results of recent studies of the elastic and inelastic neutron scattering from a variety of heavy fermion compounds. This class of materials exhibits a rich variety of ground states: antiferromagnetically ordered, superconducting, semiconducting, and paramagnetic. Neutron scattering from single crystals and powders has been a productive tool for probing the magnetic order and fluctuations in all four cases. This review deals with work on UPt_3, UPd_2Al_3, UNi_2Al_3, UNi_4B, CeNiSn, Y_{1-x}U_xPd_3, and UCu_{5-x}Pd_x.