Seminars

Engineering Electronic and Electrochemical Nanoscale Oxides
  • 01:25 pm Sept. 19, 2017
  • B-75 Amunson Hall
  • Harry L. Tuller
  • Materials Science and Engineering
  • Massachusetts Institute of Technology

Oxides are playing an increasing critical role as functional components in the fields of energy conversion/storage, microelectronics, displays, sensors/actuators and catalysis. In turn, their electrical (ionic & electronic), optical, magnetic and catalytic properties depend sensitively on their defect structure and oxygen nonstoichiometry, typically frozen in during processing, and rarely well defined. This is particularly true for thin films and nanoparticles/wires, where conventional methods, appropriate to bulk materials, do not apply. In this presentation, we review in-situ optical, electrochemical and dilatometric methods, developed or refined in our laboratory, to monitor, analyze and control nonstoichiometry, defect equilbria, transport and optical properties of oxide thin films and nano-sized particles. Examples will include materials of interest as electrodes in fuel cells, and as components of chemical sensors, oxidation catalysts and electronic memory devices.

Seminars are open to alumni, friends of the Department, and the general public.

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Department of Chemical Engineering and Materials Science

421 Washington Ave. SE, Minneapolis, MN 55455-0132

P: 612-625-1313 | F: 612-626-7246

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