Effects of temperature and anisotropy on quadrupole absorption in Borrmann spectroscopy
Abstract
We address two important aspects of Borrmann spectroscopy: the dependence of quadrupole enhancement on electronic anisotropy and temperature. A simple framework for describing these effects within the established formalism of dynamical x-ray diffraction theory is presented. This provides a firm basis for Borrmann spectroscopy—a technique for investigating the electronic orbitals that are inaccessible within the electric dipole approximation.
- Publication:
-
Physical Review B
- Pub Date:
- December 2011
- DOI:
- 10.1103/PhysRevB.84.241101
- Bibcode:
- 2011PhRvB..84x1101T
- Keywords:
-
- 61.05.cp;
- 78.70.Dm;
- X-ray diffraction;
- X-ray absorption spectra