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We observed the high-speed anisotropic motion of an individual gold nanoparticle in 3D at the picometer scale using a high-energy electron probe. Diffracted electron tracking (DET) using the electron back-scattered diffraction (EBSD) patterns of labeled nanoparticles under wet-SEM allowed us to super-accurately measure the time-resolved 3D motion of individual nanoparticles in aqueous condition...
The requirements of a highly tilted sample and a well-polished surface for optimal EBSD pattern collection can make traditional SEM imaging challenging. With a tilted sample, SEM SE and BSE detectors are often in non-optimal positions for electron detection. For many materials, the polished surfaces produce weak contrast with SE imaging. Traditionally placed BSE detectors must be used with care...
The grain boundary character distribution (GBCD) of the orthorhombic (O) phase in near Ti2AlNb intermetallic alloys was investigated. The alloys were prepared by either induction heating above the body centered cubic (BCC) transus or by subtransus processing through pancake forging and hot-packed rolling. Using electron backscatter diffraction (EBSD), the twin-related O-phase variant interfacia...
The locally varying tetragonality in martensite grains of a high‑carbon steel (1.2 mass percent C) was resolved by electron backscatter diffraction (EBSD) with spatial resolution the order 100 nm. Compared to spatially integrating X-ray diffraction, which yielded an average c/a = 1.05, EBSD measurements scanning microscope allowed image local variation lattice parameter ratio range 1.02 ≤ 1.07....
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