McMaster University requires a high-resolution powder x-ray diffractometer for materials characterization, phase identification, and structure determination of novel quantum materials. This diffractometer should be optimized for powder diffraction measurements in Bragg-Brentano geometry using Cu K-alpha1 radiation. It should also include a Johansson-type monochromator to remove K-alpha2 and K-beta radiation from the incident X-ray beam. This diffractometer will be used to investigate how the structure of quantum materials evolves as a function of temperature. As a result, it must be compatible with both low temperature and high temperature sample environments (e.g. Oxford PheniX Cryostat, Anton Paar HTK 2000 high-temperature chamber or equivalent). This equipment is required as part of the CFI Innovation Fund project “Frontiers of Quantum Materials and Circuits” awarded in 2023.
Proposals should include a complete high-resolution powder x-ray diffractometer system, with diffractometer, Cu tube source, monochromator, filters, motorized slits, sample stage/spinner, sample holders, linear 1D position-sensitive detector, control computer, and software required for operation and analysis. As noted above, this diffractometer should: (a) be optimized for powder diffraction measurements in Bragg-Brentano geometry with Cu K-alpha1 radiation, (b) include a Johansson-type monochromator to remove K-alpha2 and K-beta radiation from the incident X-ray beam, and (c) be compatible with both low temperature and high temperature sample environments (e.g. Oxford PheniX Cryostat, Anton Paar HTK 2000 high-temperature chamber or equivalent). Proposals should also include installation and training, with options for extended service and warranties.
