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Łopion, Aleksandra, 2023, "Magnetic ion relaxation time distribution within a quantum well", https://doi.org/10.18150/YOLV2B, RepOD, V1
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The experimental data presented is related to the article: "Magnetic ion relaxation time distribution within a quantum well"
Time-resolved optically detected magnetic resonance (ODMR) is a valuable technique to study the local deformation of the crystal lattice around magnetic ion as well as the ion spin-relaxation time. Here we utilize selective Mn doping to additionally enhance the inherent locality of the ODMR technique. We present the time-resolved ODMR studies of single (Cd,Mg)Te/(Cd,Mn)Te quantum wells with manganese ions located at different positions along the growth axis—in the center or on the sides of the quantum well. We observe that spin-lattice relaxation of Mn2+ significantly depends on the ion-carrier wave-function overlap at low-magnetic fields. Interestingly, the effect is clearly observed despite very low carrier density, which suggests the potential for control of the Mn2+ ion relaxation rate by means of the electric field in future experiments.
spin relaxation, spin dynamics, quantum wells, optically detected magnetic semiconductors, diluted magnetic semiconductors
A. Łopion, A. Bogucki, W. Kraśnicki, K. E. Połczyńska, W. Pacuski, T. Kazimierczuk, A. Golnik, and P. Kossacki, Magnetic ion relaxation time distribution within a quantum well, Phys. Rev. B 106, 165309 https://journals.aps.org/prb/abstract/10.1103/PhysRevB.106.165309 doi: 10.1103/PhysRevB.106.165309
CC BY - Creative Commons Attribution 4.0
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