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University of Illinois at Urbana-Champaign
Grain boundary modifications of manganese ferrite
Abstract
dc:descriptionComplex impedance spectroscopy of Mn ferrite with $\le$1.0 wt% SiO$\sb2$ and CaCO$\sb3$ additions, cooled in air, showed two distinct arcs which were attributed to bulk and grain boundary phenomena. The bulk component was invariant while the grain boundary component varied by less than two orders of magnitude and went through a maximum between 0.2 wt% and 0.4 wt% additions. Only the spinal phase was detected by X-ray diffraction for Mn ferrit with both SiO$\sb2$ and CaCO$\sb3$.
Degree
thesis:*- Name thesis:degree_name
- Ph.D.
- Level thesis:degree_level
- Dissertation
- Discipline thesis:degree_discipline
- Engineering, Materials Science
- Grantor
- University of Illinois at Urbana-Champaign
- Year dc:date
- 2011
Author and committee
dc:creator, dc:contributor.*- Author dc:creator
-
- Boy, Jeffrey H.
- Contributors dc:contributor
-
- Wirtz, Gerald P.
Subjects
dc:subject × 1Rights
dc:rights- Statement dc:rights
-
- Copyright 1991 Boy, Jeffrey H.
- Language dc:language
- eng
Identifiers
dc:identifier.*- Identifier
-
AAI9210750
(UMI)AAI9210750 - OAI identifier oai:identifier
- oai:www.ideals.illinois.edu:2142/22304