Home : Facilities : Core Central Facilities : X-ray Scattering Facility
X-ray Diffraction and Scattering Facility
Contact Information
Dr. J. Steven (Steve) Swinnea, Facility Manager
ETC 9.114
Mail Code C2201
Austin, Texas 78712
Phone (512) 471-3173 FAX (512) 471-7681
swinnea@che.utexas.edu
Facility Overview Nondestructive analysis of bulk samples, powders, single crystals, and thin films can be performed. Samples can be analyzed to determine the solid, crystalline phases that are present, the crystal structure, crystal orientation (crystals can also be aligned), deviation from random orientation, lattice parameters, changes in phase or lattice parameters at high temperatures, strain and composition of epitaxial thin films, and an estimate of the amount of each phase present in a sample.
XRD Instrumentation
| - Scintag theta-theta-theta diffractometer with capabilities for sample orientation, high and low temperature, grazing angle measurements, and reflectivity (ETC 9.110)
- Phillips automated vertical scanning general purpose powder diffractometer (ETC 9.142)
- CAD4 automated single crystal diffractometer (ETC 9.110)
- Back-reflection Laue camera (ETC 9.142)
- High output (200kW) Rigaku rotating anode generator (ETC 9.142)
- Debye-Scherrer and Gandolfi powder cameras
(ETC 9.142) - Jade powder pattern manipulation and search/match software (ETC 9.120 & ETC 9.140)
- Powder Diffraction File (PDF) software
(ETC 9.120 & ETC 9.140)
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Scintag theta-theta-theta diffractometer |
Small Angle X-ray Scattering (SAXS) Facility
ETC 9.142
- Manufacturer: Molecular Metrology, Northhampton, MAOptics
- Double Focusing Optics
Germanimum Mirror for horizontal focus
Asymmetric Cut Si(111) Monochromator for vertical focus and wavelength selection
Beam At Sample: 5mm horizontal by 200 microns vertical
Beam At Detector: 200 microns by 200 microns
Practical Resolution: 1300Å - X-ray Source
Enraf-Nonius FR591 Rotating Anode (Cu)
High brilliance copper anode (4kW into 200 micron focus) - Sample Chambers/Holders
Two evacuable chambers; one for medium resolution (672 mm sample-detector distance), the other for high resolution (1295 mm).
Stepping motor driven stage for automated sample changing
10 position normal sample stage
4 position stage for liquid samples with temperature capability 0°C to 100°C
4 position stage for liquid samples with temperature capability to 300°C
Reflectivity/Grazing Angle SAXS Module - Detection System
Two dimensional multiwire, gas-filled area detector
120mm active detection area
Approximately 150 micron pixel resolution
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| Services | - New user equipment and sofware training for typical qualitative powder diffraction experiments
- Consultation for special experiments
- Routine results interpretation as part of training
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| Fee Schedule | - TMI Participants: $1.5/hr for standard services
- Non-University Users: Contact Manager.
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