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This research aims to explore how iron affects the crystallization and microstructure of germanium thin films.

Fe-Induced Crystallization and Microstructural Evolution of Germanium Thin Films on Glass Substrates

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This research aims to explore how iron affects the crystallization and microstructure of germanium thin films.
Depositing amorphous germanium thin films on glass substrates.
Introducing an iron interlayer for catalyzing crystallization.
Conducting post-annealing at temperatures from 300 to 500 °C.
Analyzing structural properties using Raman spectroscopy and X-ray diffraction.
Fe-assisted crystallization lowers the crystallization temperature significantly.
A dominant (111) orientation develops in crystallized germanium.
Crystallite size increases while dislocation density and internal stress decrease.
Electrical measurements show conductivity more than doubled in Fe-enhanced Ge films.

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Investigations reveal iron enhances crystallization in germanium films on glass, implying improved electrical properties.

Kulakci et al. (2026) studied this question.

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