The method of volumetric measurements under high pressure I. Qualitative approach

A. G. Umnov Institute of High Pressure Physics, Troick, Moscow Region, 142092, RUSSIA

V. V. Brazhkin Institute of High Pressure Physics, Troick, Moscow Region, 142092, RUSSIA

R. N. Voloshin Institute of High Pressure Physics, Troick, Moscow Region, 142092, RUSSIA

S. V. Popova Institute of High Pressure Physics, Troick, Moscow Region, 142092, RUSSIA

Abstract

Method of detection of the first order phase transitions under high pressure is suggested. It based on the different pressure dependences of chromel-alumel and Pt+10%Rh thermocouples. Pressure-temperature diagrams of the melts of elements, obtained by this technique, are presented.

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The method of volumetric measurements under high pressure I. Qualitative approach

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The method of volumetric measurements under high pressure I. Qualitative approach

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