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JOURNALS // Teplofizika vysokikh temperatur // Archive

TVT, 2020 Volume 58, Issue 1, Pages 148–151 (Mi tvt11258)

This article is cited in 6 papers

Short Communications

Electrical resistivity of liquid gadolinium $($with carbon content of $29$ at $\%)$ at temperatures of $2000$$4250$ K

A. I. Savvatimskiiab, S. V. Onufrievb, G. E. Val'yanob, A. N. Kireevab, Yu. B. Patrikeevc

a P. N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow
b Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow
c State Institute of Rare Metals, Moscow, Russia

Abstract: The results of an experimental study of the electrical resistivity of liquid gadolinium at temperatures from $2000$ to $4250$ K at elevated pressure are presented. Samples of gadolinium $(93.0\%$ pure$)$ in the form of plates $80$-$\mu$m thick were heated by a single current pulse, for a time of about $5$$10\,\mu$s. Gadolinium plates were placed between two silica-glass plates to preserve the original shape, reduce vaporization, and create some pressure above atmospheric. Electrical resistivity is measured using a high-speed oscilloscope (excluding thermal expansion of gadolinium).

UDC: 54.143+537.9+537.31

Received: 21.08.2019
Revised: 27.09.2019
Accepted: 22.10.2019

DOI: 10.31857/S0040364420010159


 English version:
High Temperature, 2020, 58:1, 144–147

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