Melting of B12P2 boron subphosphide under pressure
Vladimir L. Solozhenko, Vladimir A. Mukhanov, Petr S. Sokolov, Yann Le, Godec, Kirill A. Cherednichenko, Zuzana Kon\^opkov\'a
TL;DR
This study investigates the melting behavior of boron subphosphide (B12P2) under high pressure using in situ X-ray diffraction and electrical measurements, revealing congruent melting with a positive slope and no phase transitions up to melting.
Contribution
First comprehensive analysis of B12P2 melting under pressure combining multiple experimental techniques.
Findings
B12P2 melts congruently under pressure.
Melting curve has a positive slope of 23(6) K/GPa.
No solid-state phase transition observed before melting.
Abstract
Melting of boron subphosphide (B12P2) to 26 GPa has been studied by in situ synchrotron X-ray powder diffraction in a laser-heated diamond anvil cell, and by quenching and electrical resistance measurements in a toroid-type high-pressure apparatus. B12P2 melts congruently, and the melting curve has a positive slope of 23(6) K/GPa. No solid-state phase transition was observed up to the melting in the whole pressure range under study.
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