Recent advancements in EBSD analysis—especially the shift from Hough-based indexing to spherical indexing and the use of experimental master patterns—have significantly improved the characterization of geological materials. Traditional methods often struggled with rough surfaces, low-quality patterns, and complex crystallography, resulting in poor indexing success. Spherical indexing addresses these issues by matching entire EBSD patterns to master patterns, capturing subtle crystallographic details that older methods missed. Using experimentally acquired patterns instead of simulated ones further enhances accuracy, particularly for challenging samples like solid solutions or multiphase minerals.
This new approach also improves angular precision, enabling better detection of orientation gradients and pseudosymmetry—common in many minerals. By leveraging full-pattern information rather than just Kikuchi bands, researchers can achieve more sensitive phase differentiation and higher-quality EBSD data. In this webinar, we’ll explore how spherical indexing can elevate your geological sample analysis and lead to more reliable, insightful results.
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