Title page for ETD etd-11212012-040124

Type of Document Master's Thesis
Author Downs, Robert T.
URN etd-11212012-040124
Title A study of the mean-square displacement amplitudes of T and O atoms in framework silicates and aluminosilicates :evidence for rigid to bonds, order, disorder, twinning and stacking faults in crystals
Degree Master of Science
Department Geological Sciences
Advisory Committee
Advisor Name Title
Boisen, Monte B. Jr. Committee Co-Chair
Gibbs, Gerald V. Committee Co-Chair
Davis, Mark E. Committee Member
Ribbe, Paul H. Committee Member
Schug, John C. Committee Member
  • Crystallography
Date of Defense 1989-12-05
Availability restricted

The mean—square displacement amplitudes (MSDA) of the tetrahedral cations Si and Al are compared to the MSDA of their coordinated O atoms in framework silica polymorphs and aluminosilicate structures. Criteria are established which indicate order, structural disorder or substitutional disorder in a framework crystal.

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