Electrical Resistivity of Lanthanum, Praseodymium, Neodymium, and Samarium

Abstract
The electrical resistivities of polycrystalline samples of La, Pr, Nd, and Sm are reported in the temperature range 1.3°K to 300°K. La exhibits a superconducting transition at 5.8°K. The curve for Pr has slope changes at 61°K and 95°K. The Nd curve shows small jumps at 5°K and 20°K. Sm shows slope changes at 14°K and 106°K.

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