Abstract
The detailed ab initio calculations of the electronic structure of α-iron crystals revealed the presence of a narrow interval of specific volumes in the P(V, T=0) isotherm where dP/dV>0. According to the calculations, this anomaly occurs at pressures from −3 to −5 GPa and is due to the intensive energy-spectrum rearrangement accompanied by the almost simultaneous appearance of eight electronic topological transitions.
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Translated from Pis’ma v Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 79, No. 11, 2004, pp. 665–669.
Original Russian Text Copyright © 2004 by Sin’ko, Smirnov.
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Sin’ko, G.V., Smirnov, N.A. Anomalous behavior of a α-iron zero-temperature isotherm in the region of negative pressures. Jetp Lett. 79, 537–541 (2004). https://doi.org/10.1134/1.1787101
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DOI: https://doi.org/10.1134/1.1787101