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This tool calculates the lattice constant in the x- and y-direction of a function of position of a high resolution TEM image. The tool can be used to examine strain state and local lattice constant variation in non-planar mismatched heterostructures. Please checkout the "Supporting Docs" section for an example of how the tool can be used.
J. T. Teherani and J. L. Hoyt, “A Physically-Intuitive Method for Calculation of the Local Lattice Constant from a High-Resolution Transmission Electron Microscopy Image by Fourier Analysis,” arXiv e-print 1309.3155, Sep. 2013. Available at http://arxiv.org/abs/1309.3155
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