John Mangum

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John Mangum is a materials science researcher in the Analytical Microscopy and Imaging Science and Materials Discovery groups at NREL. His research focuses on using advanced microscopy and spectroscopy techniques to study energy-relevant materials, ranging from fundamental atomic-scale mechanisms to macroscale degradation and durability of industrial technologies. He also studies the synthesis of ternary nitride thin films by combinatorial cosputtering to develop novel photoelectrode materials for photoelectrochemical CO2 reduction. He is specifically interested in crystalline defects and strain that arise during epitaxial growth and characterizing them through a variety of techniques, including electron channeling contrast imaging, x-ray diffraction, and transmission electron microscopy. 

Research Interests

Multiscale microscopy (and spectroscopy) techniques for characterizing nanoscale mechanisms that drive macroscale behaviors

Crystalline defect characterization using electron microscopy (electron channeling contrast imaging, transmission electron microscopy)

Sputtering synthesis of novel ternary nitride thin films for photoelectrochemical applications 

Professional Experience

Physical Sciences Representative, Mountain States Society of Electron Microscopists (2022–Present)

Sunrise Network Leadership Team Member, Liquid Sunlight Alliance (2021–2022)

Conference Organizer, Colorado Center for Advanced Ceramics (2017–2018)

Education/Academic Qualification

PhD, Materials Science, Colorado School of Mines

Bachelor, Materials Science and Engineering, North Carolina State University


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