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X-ray powder diffraction data for new ternary phases in the Al–Ti–Pt system

Published online by Cambridge University Press:  29 February 2012

O. Zaikina ,
D. Pavlyuchkov ,
V. Khorujaya  and
T. Velikanova
O. Zaikina
Affiliation:
I.N. Frantsevich Institute for Problems of Materials Science, 03680 Kiev 142, Ukraine
D. Pavlyuchkov
Affiliation:
Institut für Festkörperforschung, Forschungszentrum Jülich, D-52425 Jülich, Germany and I.N. Frantsevich Institute for Problems of Materials Science, 03680 Kiev 142, Ukraine
V. Khorujaya
Affiliation:
I.N. Frantsevich Institute for Problems of Materials Science, 03680 Kiev 142, Ukraine
T. Velikanova
Affiliation:
I.N. Frantsevich Institute for Problems of Materials Science, 03680 Kiev 142, Ukraine
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Abstract

Two ternary phases, designated τ4 and τ5, were revealed in Al–Ti–Pt. The τ4-phase with equiatomic composition (i.e., AlTiPt) was found to have a hexagonal structure with a=4.3908(9) Å and c=5.4823(10) Å (space group P63/mmc), and the τ5-phase, forming in a compositional range between ∼ Al14Ti58Pt28 and Al21Ti63Pt16, has a tetragonal structure (possible space groups P42nm, P-4n2, and P42/mnm). The refined lattice parameters for Al15Ti60Pt25 are a=9.7019(20) Å and c=5.0231 (13) Å.

Keywords

Al–Ti–Pt ternary compoundspowder X-ray diffractionelectron diffraction
Type
New Diffraction Data
Information
Powder Diffraction , Volume 23 , Issue 4 , December 2008 , pp. 360 - 362
Copyright
Copyright © Cambridge University Press 2008

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References

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