Defect imaging and detection of precipitates using a new scanning positron microbeam

We report on a newly developed scanning positron microbeam based on threefold moderation of positrons provided by the high intensity positron source NEPOMUC. For brightness enhancement a remoderation unit with a 100 nm thin Ni(100) foil and 9.6% efficiency is applied to reduce the area of the beam s...

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Autors principals:	T Gigl, L Beddrich, M Dickmann, B Rienäcker, M Thalmayr, S Vohburger, C Hugenschmidt
Format:	Artigo
Idioma:	Inglês
Publicat:	IOP Publishing 2017-01-01
Col·lecció:	New Journal of Physics
Matèries:	positron microbeam laser beam weld high-strength Al alloy precipitates coincident doppler broadening spectroscopy defect imaging
Accés en línia:	https://doi.org/10.1088/1367-2630/aa915b
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