Conclusions
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1.
A study has been made of the effect of hafnium, tantalum, tungsten, and rhenium admixtures on the resistivity and thermal emf of lanthanum hexaboride.
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2.
The addition of 0.5% hafnium or tungsten causes a sharp (up to 20–25%) decrease in the resistivity and thermal emf, due to a redistribution of the electron density and to a change in the mobility during the formation of solid solutions of these metals in the lanthanum hexaboride.
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3.
Addition of 5–15% of the metal has essentially no effect on the resistivity, while the thermal emf changes only slightly.
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Translated from Izvestiya VUZ. Fizika, No. 2, pp. 12–15, February, 1970.
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Bondarenko, V.P., Kovenskaya, B.A. & Morozov, V.V. Electrical properties of alloys of lanthanum hexaboride with transition metals. I. Soviet Physics Journal 13, 147–149 (1970). https://doi.org/10.1007/BF00814086
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DOI: https://doi.org/10.1007/BF00814086