HAADF-STEM: High-Angle Annular Dark Field Scanning Transmission Electron Microscopy
■Principle HAADF-STEM (High-angle Annular Dark Field Scanning TEM) images are obtained by scanning a finely focused electron beam across the sample and detecting the electrons that are scattered at high angles using an annular detector. ■Features Materials with a larger Z2ρ scatter more at high angles ↓ Heavy elements appear dark in STEM images and bright in HAADF-STEM images. Since contrast is obtained that is proportional to atomic number (Z), it is also referred to as Z-contrast imaging.
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Shape evaluation and composition distribution evaluation
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MST is a foundation that provides contract analysis services. We possess various analytical instruments such as TEM, SIMS, and XRD to meet your analysis needs. Our knowledgeable sales representatives will propose appropriate analysis plans. We are also available for consultations at your company, of course. We have obtained ISO 9001 and ISO 27001 certifications. Please feel free to consult us for product development, identifying causes of defects, and patent investigations! MST will guide you to solutions for your "troubles"!