Resistivity of very dilute (La, Gd) Al2 alloys

Lieke, W.; Steglich, F.; Meschede, D.

doi:10.1016/0304-8853(78)90009-4

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Resistivity of very dilute (La, Gd) Al₂ alloys

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Lieke, W., Steglich, F., & Meschede, D. (1978). Resistivity of very dilute (La, Gd) Al₂ alloys. Journal of Magnetism and Magnetic Materials, 9(1-3), 17-19. doi:10.1016/0304-8853(78)90009-4.

Cite as: http://hdl.handle.net/11858/00-001M-0000-0019-BFEA-0

Abstract

Resistivity (ρ) measurements on two (La1−xGdx) Al2 samples with x = 700 ppm and 1500 ppm and on a nominally pure LaAl2 sample were made in the normal state between 2 and 8 K. We found that the “reverse resistance anomaly” previously established in this system at higher Gd concentrations seems to become systematically weaker upon dilution of the alloy. This is explained by a completing effect of spurious Ce atoms which are visible in a “Kondo anomaly” of ρ in the nominally pure LaAl2.