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Estimating the physical cluster-size distribution within materials using atom-probe.

Abstract:

A limiting characteristic of the atom-probe technique is the nondetection of ions and this embodies a significant "missing information" problem in investigations of atomic clustering phenomena causing difficulty in the interpretation of any atom-probe experiment. It is shown that the measurable cluster-size distribution can be modeled by a mixed binomial distribution. A deconvolution method based upon expectation-maximization (EM) algorithm is presented to obtain the original physical distrib...

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Publication status:
Published

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Publisher copy:
10.1002/jemt.20958

Authors


Stephenson, LT More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Ringer, SP More by this author
Journal:
Microscopy research and technique
Volume:
74
Issue:
9
Pages:
799-803
Publication date:
2010-11-05
DOI:
EISSN:
1097-0029
ISSN:
1059-910X
URN:
uuid:189fd17f-4604-49a3-adbe-8ca0d8a20408
Source identifiers:
414297
Local pid:
pubs:414297

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