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Physics & Astronomy

Branton Campbell

Branton J. Campbell

Associate Professor

Department of Physics & Astronomy

Brigham Young University
Provo, UT 84602,USA

Tel: 801-422-5758   Fax: 801-422-0553

Email: branton_campbell@byu.edu

URL: http://physics.byu.edu/faculty/campbell/

Research Interests

I apply state-of-the-art x-ray and neutron scattering techniques to study local and intermediate-range structures in a variety of complex solids, including fast-ion conductors, ferroelectric relaxors, high-temperature superconductors, and colossal magnetoresistive manganites, where nanoscale structural features influence macroscopic physical properties.  I am also developing symmetry-mode analysis as a tool for structure determination and refinement, with applications that include the characterization of phase transitions, magnetic structures and incommensurately-modulated structures.
Featured Research
Stellar X-ray Diffuse Scattering
Diffuse x-ray scattering pattern from a single-crystal sample of zeolite mordenite, an important industrial isomerization catalyst. This image was reconstructed by Branton Campbell using portions of over 1000 CCD x-ray photos. The broad patches, open diamonds, and star-shaped distributions are clues that reveal a complex architecture of framework defects with implications for mordenite's unusual adsorptive and catalytic properties. J. Appl. Cryst. 37, 187-192 (2004). [Read More]
 
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