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Figure 3
Schematic of the X-ray emission spectroscopy with laser-heated diamond anvil cell experiments. The YLF laser beam is focused to 25 µm onto both sides of the sample surfaces. The diameter of the focused X-ray beam at 14 keV was approximately 7 µm (FWHM); the small beam size ensured that the X-ray emission signal from the sample was only measured within the laser-heated spot of 25 µm. The single-crystal magnesiowüstite [(Mg0.75,Fe0.25)O] sample was loaded into the sample chamber of a diamond cell. The Fe Kβ fluorescence lines were collected through the Be gasket by a 1 m Rowland circle spectrometer in the vertical scattering geometry. An image plate (MAR345) was used to collect diffracted X-rays in the forward direction.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 12| Part 5| August 2005| Pages 637-641
doi:10.1107/S0909049505020741
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