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Figure 5
Measured lattice strain as a function of [\sin^2\psi] for various reflections recorded from a Cu thin film on an Si wafer before the application of load (open circles) and in the loaded state (filled circles). The loading was achieved by cooling from room temperature to 153 K, resulting in a biaxially rotationally symmetric stress state with [\sigma_\parallel\equiv\sigma_{11} = \sigma_{22} =] 280 MPa. Error bars for the data are of the same order as the size of the symbols. The dashed lines through these data points have been drawn to guide the eye. Further, lattice-strain data as predicted according to the Reuss (open boxes) and Vook–Witt (open diamonds) grain-interaction models, for the case of a 111 fiber texture resembling the 111 fiber texture in the specimen (see Fig. 3[link]), have been plotted.

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CRYSTALLOGRAPHY
ISSN: 1600-5767
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