Magnetic Compton scattering studies of novel phases

Authors: Matt Butchers (University of Warwick)
Co-authored by industrial partner: No

Type: Thesis

State: Published (Approved)
Published: March 2013

Abstract: Magnetic Compton scattering is already a well established technique for the study of ferromagnetic and ferrimagnetic systems. The inelastic collision of a photon with an electron is sensitive to the electron momentum density. Advances in X-ray beam technology with the advent of dedicated synchrotron radiation facilities have allowed the tunability of various properties of the X-ray beam, permitting the weak coupling between it and the spin, S, of a target electron to be exploited. Recent developments in sample conditions (field, temperature, pressure) have enabled previously forbidden regions of the phase diagram of a sample to be explored. Other improvements in recent years of the technique combined with novel analytic interpretation via ab initio band structure calculations allow for a deeper understanding of the ground state to be gained from magnetic Compton scattering experiments. In this thesis, the unique properties of magnetic Compton scattering are applied to novel materials where high magnetic fields are essential and in conjunction with modelling methods the underlying electronic structure is elucidated.

Journal Keywords: Magnetic Compton Scattering Studies Of Novel Phases

Subject Areas: Physics

Instruments: I06-Nanoscience