Transmission electron microscope sample fabrication
A method of preparing a transmission electron microscopy (TEM) sample from a semiconductor structure may include milling a region of the semiconductor structure with a focused ion beam and generating the transmission electron microscopy (TEM) sample. The focused ion beam providing the milling may include a rotation angle relative to the crystallographic axis of the semiconductor structure. A transmission electron microscopy image of a cross-sectional plane of the generated transmission electron microscopy (TEM) sample may be generated using a transmission electron microscope, whereby the transmission electron microscopy image of the cross-sectional plane includes an image projection-free region based on the rotation angle.
International Business Machines Corporation
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Juntao James J.
Li Demarest