CdZnTe bulk crystal growth and temperature modeling studies at METU-CGL

Balbaşı, Özden Başar; Ergunt, Yasin; Dogru, C.; Kabukcuoglu, Merve; Ünal, Mustafa; Parlak, M.; Turan, Raşit

doi:10.1117/12.2323409

Cited by 4 publications

References 8 publications

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Surface and interface chemistry of bromine–methanol‐etched Cd_0.9Zn_0.1Te crystals

Ünal,

Karaman,

Çelik

et al. 2024

Surface & Interface Analysis

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Chemical polishing or chemo‐mechanical polishing is crucial as a last step of surface preparation to remove the damaged layer and contaminants from the surface of CdZnTe crystals. The bromine–methanol solution is widely used for this purpose. However, bromine–methanol solution enriches the surface with Te and results in poor performance of CdZnTe crystals. In this study, the effect of the chemical polishing with 5% bromine–methanol solution on the surface and at the interface is investigated and it is demonstrated that etching duration strongly influences surface stoichiometry and interface contaminants. The evolution of the surface topography with etching and chemical changes are presented. It is shown that after 90 s etching/polishing, subsurface damage is removed and Te enrichment is minimum. Moreover, interface layer thickness is the smallest for 90 s etching duration. It is presented that further increase in the etching duration disturbs the surface stoichiometry and interface depth. It also calculated that 90 s of etching shows low interface barrier and symmetrical current–voltage curve.

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Surface and interface chemistry of bromine–methanol‐etched Cd_0.9Zn_0.1Te crystals

Ünal,

Karaman,

Çelik

et al. 2024

Surface & Interface Analysis

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show abstract

Production of detector grade CdZnTe crystal with VGF furnace by analyzing segregation of Zn and In

Ünal

Balbaşı

Sedani

et al. 2023

Journal of Crystal Growth

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Evolution features and optimization of interface shape during CdZnTe crystal growth using Vertical Gradient Freeze (VGF) technique

Li,

Zhou,

2024

Journal of Crystal Growth

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CdZnTe bulk crystal growth and temperature modeling studies at METU-CGL

Cited by 4 publications

References 8 publications

Surface and interface chemistry of bromine–methanol‐etched Cd_0.9Zn_0.1Te crystals

Surface and interface chemistry of bromine–methanol‐etched Cd_0.9Zn_0.1Te crystals

Production of detector grade CdZnTe crystal with VGF furnace by analyzing segregation of Zn and In

Evolution features and optimization of interface shape during CdZnTe crystal growth using Vertical Gradient Freeze (VGF) technique

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CdZnTe bulk crystal growth and temperature modeling studies at METU-CGL

Cited by 4 publications

References 8 publications

Surface and interface chemistry of bromine–methanol‐etched Cd0.9Zn0.1Te crystals

Surface and interface chemistry of bromine–methanol‐etched Cd0.9Zn0.1Te crystals

Production of detector grade CdZnTe crystal with VGF furnace by analyzing segregation of Zn and In

Evolution features and optimization of interface shape during CdZnTe crystal growth using Vertical Gradient Freeze (VGF) technique

Contact Info

Product

Resources

About

Surface and interface chemistry of bromine–methanol‐etched Cd_0.9Zn_0.1Te crystals

Surface and interface chemistry of bromine–methanol‐etched Cd_0.9Zn_0.1Te crystals