The construction of Cr2Te3/Bi2/Bi2Te3 superlattice via reduction method by molecular beam epitaxy

The construction of Cr2Te3/Bi2/Bi2Te3 superlattice via reduction method by molecular beam epitaxy

A delicate superlattice structure of Cr2Te3/Bi2/Bi2Te3 has been constructed based on the chemical reduction at the interface. The growth was conducted by the molecular beam epitaxy, and the structural characterizations have provided solid evidence of the designed structure. The interfaces between Cr...

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Veröffentlicht in:Applied physics letters 2022-02, Vol.120 (9)
Hauptverfasser: Li, Bin, Zhang, Runnan, Zhou, Liang, Wang, Linjing, Yan, Zijun, He, Hongtao, Wang, Gan
Format: Artikel
Sprache:eng
Schlagworte:
Applied physics
Bismuth tellurides
Chemical reduction
Epitaxial growth
Ferromagnetism
Hall effect
Magnetoresistance
Magnetoresistivity
Molecular beam epitaxy
Molecular structure
Superlattices
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Zusammenfassung:A delicate superlattice structure of Cr2Te3/Bi2/Bi2Te3 has been constructed based on the chemical reduction at the interface. The growth was conducted by the molecular beam epitaxy, and the structural characterizations have provided solid evidence of the designed structure. The interfaces between Cr2Te3, Bi2 and Bi2Te3 are sharp. The ferromagnetism has been introduced in this system as revealed by the negative magnetoresistance curve and the anomalous Hall effect.
ISSN:0003-6951
1077-3118
DOI:10.1063/5.0081367