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Figure 8
Upper part: optical micrograph of the Mg-rich hexagonal pyramids in GaN and blue–red plot displaying the Cr/Fe Kα intensity distributions with their corresponding concentrations in the colour scales. Lower part: calculated and measured XANES data around the Ga K-edge for perpendicular/parallel incidence on the pyramid centre and outside it, as well as calculated and measured XLD also recorded at the Ga K-edge with the beam focused on the pyramid centre and outside it.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 19| Part 1| January 2012| Pages 10-18
https://doi.org/10.1107/S090904951104249X
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