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How flat is your detector? Non-uniform annular detector sensitivity in STEM quantification

Abstract:

Recording HAADF STEM data on an absolute scale for image quantification is becoming increasingly common. A particular challenge with this method is that most image simulation programs model the detector as being circularly symmetric and exhibiting uniform detection sensitivity across its entire active region. For a real detector this is rarely the case; it then becomes vital to understand how far one's detector deviates from the ideal. Here we investigate a collection of detector maps recorde...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Role:
Author
Publisher:
Institute of Physics Publishing
Volume:
522
Issue:
1
Pages:
012018-012018
Publication date:
2014-01-01
DOI:
EISSN:
1742-6596
ISSN:
1742-6588
URN:
uuid:64923a04-6b96-41c6-9c2b-570ab4c8eac5
Source identifiers:
474132
Local pid:
pubs:474132

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