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Half-metallic ferromagnets. II. Transport properties of NiMnSb and related inter-metallic compounds

M J Otto, R A M van Woerden, P J van der Valk, J Wijngaard, C F van Bruggen and C Haas

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For pt.I see ibid., vol.1, p.2341 (1989). The electrical resistivity and the Hall effect of inter-metallic compounds XMnSb (X=Pt, Ni, Au) and PtMnSn were investigated in the temperature region 4-1000 K. The results for the anomalous Hall effect were analysed in terms of skew scattering and side-jump contributions. This analysis is possible in a half-metallic ferromagnet because the conduction electron spin polarisation at T=0 K is known.


PACS

75.50.Cc Other ferromagnetic metals and alloys

72.15.Gd Galvanomagnetic and other magnetotransport effects

75.30.Kz Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.)

72.25.-b Spin polarized transport

Subjects

Condensed matter: electrical, magnetic and optical

Dates

Issue 13 (3 April 1989)



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