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Figure 6
(a) TEM dark-field image of the Ni–Kapton film, extracted from the 111 ring of the SADP, showing globular grains at the substrate–film interface and almost columnar grains at the film surface. (b) TEM bright-field image of the Ni(W)–Kapton film, demonstrating columnar grains which are excessively twinned along the (111) planes parallel to the surface. (c) TEM diffraction pattern of the Ni(W)–Kapton film, showing affected and unaffected reflections but with a radial intensity spread (with reference to the origin of the reciprocal space) due to the pole width of the fibre texture.

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