Abstract
The high pressure bandstructure results are used to study the pressure variation of the electrical resistivity in Praseodymium (Pr), Lanthanum (La) and Actinium (Ac). The resistivity is calculated using Huang's formula. In the case of Pr and La in the pressure range upto 200 kbar the resistivity increases with pressure and approaches saturation value whereas for Ac, the resistivity increases with pressure initially and then it decreases with increase of pressure. The results are compared with the available experimental and theoretical results. The transitions reported by other investigators in Pr and La are visible in the curves of resistivity Vs pressure. We have also computed the pressure coefficients for Pr and La which indicate the probable phase transitions in them.
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Iyakutti, K., Dakshinamoorthy, M. On the pressure variation of resistivity of solid Pr, La and Ac. Z. Physik B - Condensed Matter 58, 105–110 (1985). https://doi.org/10.1007/BF01304261
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DOI: https://doi.org/10.1007/BF01304261