Spin-lattice relaxation of (Cd,Mn)Te co-doped with Co ions

We study the influence of the addition of the Co ions on the spin-lattice relaxation rate in the (Cd,Mn)Te system. The magnetization relaxation is measured by time-resolved spectroscopy of single (Cd,Mn,Co)Te/(Cd,Mg)Te quantum wells in a magnetic field. We find that even a relatively small cobalt ad...

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Bibliographic Details
Published in:Solid state communications 2025-02, Vol.396, p.115753, Article 115753
Main Authors: Łopion, A., Oreszczuk, K., Bogucki, A., Połczyńska, K.E., Pacuski, W., Kazimierczuk, T., Golnik, A., Kossacki, P.
Format: Article
Language:English
Subjects:
CdTe quantum wells
DMS
Spin-lattice relaxation
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Summary:We study the influence of the addition of the Co ions on the spin-lattice relaxation rate in the (Cd,Mn)Te system. The magnetization relaxation is measured by time-resolved spectroscopy of single (Cd,Mn,Co)Te/(Cd,Mg)Te quantum wells in a magnetic field. We find that even a relatively small cobalt admixture significantly shortens the Mn relaxation time. •Study Focus: Influence of the cobalt ions on spin-lattice relaxation in (Cd,Mn,Co)Te systems.•Methods: Time-resolved measurement of magnetization relaxation with thermal depolarization.•Key Finding: Even a small amount of cobalt significantly accelerates manganese relaxation time.
ISSN:0038-1098
DOI:10.1016/j.ssc.2024.115753