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This research investigates how temperature affects phase segregation and morphology evolution in Ca1-xBaxF2 solid solutions.

March 14, 2026CrystEngComm0 citations

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Temperature Dependent Phase Segregation and morphology evolution in Ca 1-x Ba x F 2 Solid Solution grown on Si(001) with an Epitaxial CaF 2 Sublayer

AKAndrey K. KaveevSt Petersburg University EAEgor A AlexeevIoffe Institute EBE. I. BelyakovaIoffe Institute

Key Points

This research investigates how temperature affects phase segregation and morphology evolution in Ca1-xBaxF2 solid solutions.
Synthesis of epitaxial heterostructures including Pb1-ySnyTe/BaF2/Ca1-xBaxF2/CaF2/Si(001) system.
Comprehensive surface morphology characterization was performed.
Lattice parameters of each component were analyzed.
Morphology evolution was significantly influenced by temperature changes.
Lattice parameters demonstrated variation based on the composition of the Ca1-xBaxF2 solid solution.
Epitaxial CaF2 sublayer contributed to the structural stability of the heterostructures.

Abstract

The work presents the results of synthesizing epitaxial heterostructures based on the Pb 1- y Sn y Te/BaF 2 /Ca 1-x Ba x F 2 /CaF 2 /Si(001). system. A comprehensive study of these heterostructures was performed, surface morphology characterized, lattice parameters of each...

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Temperature Dependent Phase Segregation and morphology evolution in Ca 1-x Ba x F 2 Solid Solution grown on Si(001) with an Epitaxial CaF 2 Sublayer

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