Diffraction and spectroscopy

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Wavelength dispersive X-ray Fluorescence system for accurate elemental analysis of solids, powders and liquids

4kW rhodium X-ray tube for high count rate and sample throughput with automated sample chamber
Integrated EDX and Duplex detectors for high throughput and enhanced sensitivity
Dedicated monochromator for accurate determination of boron
Large area mapping capability (500 micron spot size, 100 micron step resolution)
Standard-less analysis capability

Parallel beam X-ray diffraction system for investigation of phase assemblage of solid and powder samples

Parabolic mirror for parallel beam of Cu Ka radiation
40 position sample changer for high throughput room temperature operation
Anton Parr high temperature stage (up to 1200°C in nitrogen, helium, air or vacuum)
Grazing angle diffraction for depth profiling of materials
Standard-less analysis capability

Fully confocal Raman spectroscopy with spatial and depth resolution, with autofocus capability

50-3200 cm-1 range with 1.4 cm-1 spectral resolution using 532 nm laser (up to 25 mW)
Olympus BX research grade microscope for transmission and reflection imaging, with Class 1 laser enclosure
Optics: 10x (NA=0.25, WD 10.6mm) and 100x (NA=0.9, WD= 0.21mm)
Motorised XYZ stage with 1 micron repeatability in XY, and 0.1 micron in Z
Integrated imaging spectrometer with 4 gratings and TE air cooled 1024 x 256 pixel low noise CCD

Routine investigation of phase assemblage of solid and powder samples at room temperature

Investigation of chemical, structural and magnetic properties by Mossbauer effect

Routine acquisition of Fe-57 Mossbauer spectra, e.g. determination of Fe redox state
Capability for acquisition of Sn-119 Mossbauer spectra
Conversion Electron Detector (CEMS) for surface sensitive Mossbauer experiments (ca. 200 nm for Fe-57)
High temperature capability, up to 1100°C, under reactive gas
Low temperature capability, down to 77 K

Department of Materials Science and Engineering