Kosenkov D. V.1, Sagadeev V. V.1
1Kazan National Research Technological University, Kazan, Russia
Email: dmi-kosenkov@yandex.ru
The relationship between total normal emissivity (εtn) and specific heat capacity (Cp) of Period 4 metals has been investigated across a temperature range encompassing a first-order phase transition (melting). A correlation analysis of these parameters was performed at homologous temperatures of Cp. A strong correlation (R^2 > 0.97) was established between the surface and bulk properties of the metals both below and above the melting point. However, the relative jumps in εtn and Cp at the melting point do not correlate, indicating distinct physical natures for these quantities. The presented results highlight the role of electronic structure and electron-phonon interaction in shaping the thermal properties of materials during phase transitions. Keywords: d-metals, emissivity, heat capacity, phase transition, homologous temperature, correlation analysis.
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