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APS » Journals » Phys. Rev. Lett. » Volume 44 » Issue 20
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Phys. Rev. Lett. 44, 1326–1329 (1980)

Vacancy-Carbon Interaction in Iron

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P. Hautojärvi, J. Johansson, A. Vehanen*, and J. Yli-Kauppila
Department of Technical Physics, Helsinki University of Technology, SF-02150 Espoo 15, Finland

P. Moser
Section de Physique du Solide, Département de Recherche Fondamentale, Centre d'Etudes Nucléaires de Grenoble, F-38041 Grenoble, France

Received 24 January 1980; published in the issue dated 19 May 1980

Electron-irradiated high-purity α-iron doped with various amounts of interstitial carbon impurities has been studied by positron-lifetime measurements. It is shown that during vacancy migration at 220 K an asymmetric vacancy-carbon pair is formed, where the carbon atom is located off the center of the vacancy.

© 1980 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.44.1326
DOI:
10.1103/PhysRevLett.44.1326
PACS:
61.70.Bv, 61.80.Fe, 78.70.Bj

*Present address: Department of Physics, University of Jyväsklä, SF-40720 Jyväskylä 72, Finland.

 
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