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A critical consideration of magnetism and composition of (bcc) Cu precipitates in (bcc) Fe.(Report)

Schober, M. ; Eidenberger, E. ; Leitner, H. ; Staron, P. ; Reith, D. ; Podloucky, R.

Applied Physics A: Materials Science & Processing, June, 2010, Vol.99(4), p.697(8) [Tạp chí có phản biện]

ISSN: 0947-8396

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  • Nhan đề:
    A critical consideration of magnetism and composition of (bcc) Cu precipitates in (bcc) Fe.(Report)
  • Tác giả: Schober, M. ; Eidenberger, E. ; Leitner, H. ; Staron, P. ; Reith, D. ; Podloucky, R.
  • Chủ đề: Alloys -- Analysis
  • Là 1 phần của: Applied Physics A: Materials Science & Processing, June, 2010, Vol.99(4), p.697(8)
  • Mô tả: Byline: M. Schober (1,4), E. Eidenberger (1), H. Leitner (1), P. Staron (2), D. Reith (3), R. Podloucky (3) Abstract: Atom probe and small-angle neutron scattering (SANS) measurements were carried out in order to investigate the chemical composition of (bcc) Cu precipitates in a (bcc) Fe matrix. The ratio of nuclear and magnetic integrated intensities (R-value) found by SANS is compared to a theoretical model which is based on the chemical composition obtained from the atom probe data. Furthermore, density functional theory calculations were performed to derive the magnetic moment per atom and the lattice parameters of the Cu alloys modeled in terms of supercells. The calculated and measured R-values agree rather well suggesting that Fe atoms are incorporated in the Cu precipitates up to concentrations of about 50 at.%. Author Affiliation: (1) Department of Physical Metallurgy and Materials Testing, University of Leoben, Franz-Josef-Strasse 18, 8700, Leoben, Austria (2) Institute of Materials Research, GKSS Research Centre, Max Planck-Str. 1, 21502, Geesthacht, Germany (3) Department for Physical Chemistry, University of Vienna, Sensengasse 8/7, 1090, Vienna, Austria (4) Department Metallkunde und Werkstoffprufung, Montanuniversitat Leoben, Franz-Josef-Strasse 18, 8700, Leoben, Austria Article History: Registration Date: 26/04/2010 Received Date: 18/12/2009 Accepted Date: 22/04/2010 Online Date: 14/05/2010
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0947-8396

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