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Symmetry Breaking in the Perovskite SrTiO3

The simulation shows distortion of the strontium titanate perovskite crystal structure below a critical temperature. The second order phase transition created by oxygen plane rotation is shown with changes in entropy and Gibbs free energy plots.

Keywords:: perovskite, Gibbs free energy, tausonite, strontium titanate, phase transition, solid state, second order phase transition, normal mode

Disciplines:

Science and Technology / Chemistry / Physical

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Material Type:: Simulation
Date Added to MERLOT:: April 4, 2012
Date Modified in MERLOT:: April 7, 2012
Author:: Eric R. Bittner
Submitter:: Phillip Gilmour
Primary Audience:: College Upper Division, Graduate School, Professional
Technical Format:: Website

Mobile Compatibility:: Not specified at this time
Technical Requirements:: Runs on an installed Wolfram CDF Player.
Language:: English
Cost Involved:: no
Source Code Available:: yes
Accessibility Information Available:: no
Creative Commons:: This work is licensed under a Attribution-NonCommercial-NoDerivs 3.0 United States