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arXiv 2303.04480cond-mat.mtrl-sci
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基于CALPHAD的Mg-Ca薄膜物理气相沉积过程中温度-成分-结构关系建模

CALPHAD-based modelling of the temperature-composition-structure relationship during physical vapor deposition of Mg-Ca thin films

Philipp Keuter, Moritz to Baben, Shamsa Aliramaji, Jochen M. Schneider

AI总结:

本文提出基于CALPHAD的建模方法,通过计算Mg和Ca的升华通量,再现了Mg-Ca薄膜PVD过程中温度对成分和相形成的影响,为理解高蒸气压金属的合成参数调控机制提供了重要基础。

摘要:

采用基于CALPHAD的方法对Mg-Ca薄膜物理气相沉积(PVD)过程中随温度变化的成分与相形成进行了建模。考虑基于平衡热化学计算所得蒸气压而计算的Mg和Ca升华通量,再现了实验观察到的薄膜成分和相形成的合成温度趋势。该模型是理解合成参数如何控制具有高蒸气压的金属在PVD过程中的成分并进而控制相形成的重要一步。

英文摘要:

The temperature-dependent composition and phase formation during physical vapor deposition (PVD) of Mg-Ca thin films is modelled using a CALPHAD-based approach. Considering the Mg and Ca sublimation fluxes calculated based on the vapor pressure obtained by employing equilibrium thermochemical calculations, experimentally observed synthesis temperature trends in thin film composition and phase formation are reproduced. The model is a significant step towards understanding how synthesis parameters control composition and thereby phase formation in PVD of metals with high vapor pressures.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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