X-ray diffractometer

Methods IGW, Müller-Sigmund

X-ray diffractometer	Model:	Bruker AXS D8 Advance Powder XRD
	Unit and Room:	Mineralogy, Lab Build., R. 01005
	Responsible:	Isolde Schmidt (Dr. Hiltrud Müller-Sigmund)
XRD, RDA	Further information:	http://www.minpet.uni-freiburg.de/englisch/analytik/rda.html
Short Description: XRD allows the identification and characterization of crystalline phases from a finely grained powder (< 40 mm).		Picture of the Equipment $X-ray diffractometer$
Available Experiments/Techniques: - identification of mineral and mineral mixtures - crystallographic structure - chemical composition - physical properties of materials and thin films
Special Equipment: - variable width slits - 2.2 kW Cu X-ray source - Sample changer for 8 samples - DIFFRACplus software - Silicon monocrystal sample holders
Measurements on the equipment are currently done by:		Students after extensive training Trained scientific service personal
Recent Publications, where this instrument was important (citation):		Ackermann S. 2009: Thermodynamic and crystallographic properties of kornelite (Fe₂(SO₄)₃·~7.75H₂O) and paracoquimbite (Fe₂₍SO₄)₃·9H₂O). American Mineralogist 94, 1620-1628.
Typical problems that may be solved with this instrument:		identification of unknown minerals, specification of crystallographic parameters.

X-ray diffractometer (this page as a pdf file)