Kousuke Ooe
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View article: Optimizing Structure Factors From Four-dimensional Scanning Transmission Electron Microscopy via the Scattering Matrix
Optimizing Structure Factors From Four-dimensional Scanning Transmission Electron Microscopy via the Scattering Matrix Open
Quantitative potential retrieval in scanning transmission electron microscopy (STEM) is of much importance for detailed material characterization but is often hindered by substantial multiple scattering effects in thicker samples. Here, we…
View article: Direct observation of cation-dependent polarisation switching dynamics in fluorite ferroelectrics
Direct observation of cation-dependent polarisation switching dynamics in fluorite ferroelectrics Open
Fluorite ferroelectrics are exciting candidates for next-generation non-volatile memory devices because their unique ferroelectric mechanism, which arises from unconventional oxygen displacements, permits ferroelectricity with minimal thic…
View article: Humidity-driven modulation of ferroelectricity in hafnia–zirconia membranes
Humidity-driven modulation of ferroelectricity in hafnia–zirconia membranes Open
Intrinsic ferroelectricity in freestanding hafnia membranes can be controlled by its electrochemical state, demonstrating that low-humidity conditions significantly improve ferroelectric properties without requiring a distinct wake-up proc…
View article: Dose-efficient phase-contrast imaging of thick weak phase objects via OBF STEM using a pixelated detector
Dose-efficient phase-contrast imaging of thick weak phase objects via OBF STEM using a pixelated detector Open
Optimum bright-field scanning transmission electron microscopy (OBF STEM) is a recently developed low-dose imaging technique that uses a segmented or pixelated detector. While we previously reported that OBF STEM with a segmented detector …
View article: Direct imaging of local atomic structures in zeolite using optimum bright-field scanning transmission electron microscopy
Direct imaging of local atomic structures in zeolite using optimum bright-field scanning transmission electron microscopy Open
Zeolites are used in industries as catalysts, ion exchangers, and molecular sieves because of their unique porous atomic structures. However, direct observation of zeolitic local atomic structures via electron microscopy is difficult owing…
View article: Direct imaging of local atomic structures in zeolite using novel low-dose scanning transmission electron microscopy
Direct imaging of local atomic structures in zeolite using novel low-dose scanning transmission electron microscopy Open
Zeolites have been used in industrial applications such as catalysts, ion exchangers, and molecular sieves because of their unique porous atomic structures. However, the direct observation of zeolitic local atomic structures via electron m…
View article: Light Element Imaging Technique at Low Dose Condition by Processing Simultaneously Obtained STEM Images Using a Segmented Detector
Light Element Imaging Technique at Low Dose Condition by Processing Simultaneously Obtained STEM Images Using a Segmented Detector Open
Journal Article Light Element Imaging Technique at Low Dose Condition by Processing Simultaneously Obtained STEM Images Using a Segmented Detector Get access Kousuke Ooe, Kousuke Ooe Institute of Engineering Innovation, School of Engineeri…