Abstract:The misfit dislocations at α-Fe O /α-Al O heterostructure interfaces were investigated by high-resolution transmission electron microscopy (HRTEM), geometric phase analysis (GPA) and dislocation density tensor analysis. When imaged along the [112¯0] direction, the misfit dislocation core is a mixed-type, which can be characterised by one extra (11¯02) plane and one extra (1¯104) plane of α-Al O . Dislocation density tensor analysis gave a very high accuracy in determining the corresponding Burgers vectors of t… Show more
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