X-ray diffraction and reflectivity apparatus capable of characterizing thin films, surface structures, and materials at high humidity and high temperature
Very fast, high dynamic range 2-D detector capabilities enabling kinetic studies
Unique sample environment capabilities to address in situ work and extreme conditions
2. Deliverables
High resolution characterization of thin metal, ceramic, polymer, and composite films
Determination of multilayer structure for films up to 400 nm thick
Quantification of interfacial width between layers in multilayers or between coatings and substrate
Quantification of interfacial roughness to Å level resolution.
Depth profiling of thin coating uniformity with 10 Å resolution
Determination of thin coating thermal expansion with Å resolution
Quantification of thin coating swelling with humidity
Identification of crystalline structure characteristics in very thin (nm) films and surface layers
Characterization of perfection of in-plane ordering in functional polymer and composite films
3. Major Equipment and Specific Minor Equipment
Highly stable, 3.0 kW x-ray generator with high resolution goniometer
Cross beam optics with parabolic mirror and curved and flat diffracted beam monochromator that provides ability to rapidly switch between high intensity configuration with moderate resolution and a parallel beam geometry that provides very high resolution
Germanium (220) 2-bounce incident beam and diffracted beam monochromators that can be used in parallel beam geometry to further enhance resolution for reflectivity measurements of films of 100s of nm thickness or very high resolution diffraction measurements
In plane diffraction attachment and φ attachment for in-plane sample rotation
Accessories for reflectivity measurements
Hybrid pixel array detector for point, 1-dimensional, or 2-dimensional detection – fastest technology in the U.S.
Cryo and humidity chamber for studies in cold, or up to 300°C, or at high humidity
Domed sample hot stage for measurements at temperatures of up to 1100°C