Magnetic chirality as probed by neutron scattering

TL;DR

This paper reviews the concept of magnetic chirality and explores how neutron scattering, especially neutron polarimetry, can be used to probe static and dynamic magnetic chirality, illustrated by Fe-langasite.

Contribution

It provides a comprehensive review of magnetic chirality and demonstrates the application of neutron polarimetry in studying chiral magnetic states and excitations.

Findings

Neutron scattering is effective for probing magnetic chirality.

Fe-langasite exhibits a chiral ground state and excitations.

Neutron polarimetry reveals detailed magnetic chirality information.

Abstract

We review the concept of chirality, at first briefly in a general context then in the specific framework of the spin networks. We next discuss to what extent neutron scattering appears as an unconvertible tool to probe magnetic chirality in the static and dynamical regimes of the spins. The remarkable chiral ground state and excitations of the Fe-langasite compound finally serves to illustrate the use of neutron polarimetry in the experimental studies of the magnetic chirality.