Improved sample environment for in situ neutron powder diffraction using sapphire single-crystal cells
The present proposal aims for several improvements concerning the sample alignment in order to optimize beamtime usage, a new heating system for in situ powder diffraction at D20 and a validation of a newly developed gas pressure cell. A x/y/z/omega-stage has been developed and will be tested. Further, a new heating system will be tested in order to reach higher temperature and allowing simultaneous raman spectroscopy and neutron diffraction. Additionally, Six new and untested sapphire single crystals need to be characterized by omega scans on the neutron diffractometer D20 to test their suitability for in situ neutron powder experiments. Finally, the validation of a newly developed gas pressure cell needs to be redone due to technical issues (see experimental report Test 2994).
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FINGER Raphael; GOETZE André; Thomas C. Hansen; KEILHOLZ Simon; Holger Kohlmann and WIDENMEYER Marc. (2020). Improved sample environment for in situ neutron powder diffraction using sapphire single-crystal cells. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-24-639
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