Pixelated detectors and improved efficiency for magnetic imaging in STEM differential phase contrast
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- 作者：Matus Krajnak ; Damien McGrouther ; Dzmitry Maneuski ; Val O' Shea ; Stephen McVitie ; stephen.mcvitie@glasgow.ac.uk" class="auth_mail" title="E-mail the corresponding author
- 关键词：Differential phase contrast ; STEM ; Magnetic thin films ; 4D electron microscopy
- 刊名：Ultramicroscopy
- 出版年：2016
- 出版时间：June 2016
- 年：2016
- 卷：165
- 期：Complete
- 页码：42-50
- 全文大小：4273 K
文摘
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Pixelated STEM DPC vastly improves magnetic imaging for polycrystalline thin films.
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Improved efficiency imaging demonstrated on CCD camera.
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Direct radiation detector faster with reduced charge spreading.
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BF disk edge filtering algorithm superior to thresholding and centre of mass method.
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Data intensive process but provides a step change in what is possible with STEM DPC.