Influence of the Magnetic Anisotropy Dispersion in Ge3Mn5 Clusters on the Temperature Dependences of Magnetization in Thin Ge:Mn Films

The temperature dependences of magnetization M ( T ) of thin ion-implanted Ge:Mn (4 at % Mn) films containing Ge 3 Mn 5 clusters were measured on samples cooled in the absence of magnetic field (zero field cooled, ZFC) and in a magnetic field of 10 kOe (field-cooled, FC). It has been established tha...

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Published in:Technical physics letters 2019, Vol.45 (1), p.34-36
Main Authors: Dmitriev, A. I., Dmitrieva, M. S., Ziborov, G. G.
Format: Article
Language:English
Subjects:
Anisotropy
Classical and Continuum Physics
Cluster analysis
Dispersion
Magnetic anisotropy
Magnetic fields
Magnetism
Magnetization
Magnetization curves
Physics
Physics and Astronomy
Thin films
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Ziborov, G. G.
description The temperature dependences of magnetization M ( T ) of thin ion-implanted Ge:Mn (4 at % Mn) films containing Ge 3 Mn 5 clusters were measured on samples cooled in the absence of magnetic field (zero field cooled, ZFC) and in a magnetic field of 10 kOe (field-cooled, FC). It has been established that the shape of ZFC–FC differential M ( T ) curves is determined by lognormal distribution of the size-dependent magnetic anisotropy energy of Ge 3 Mn 5 clusters. Analysis of the observed ZFC–FC magnetization curves allowed the magnetic anisotropy dispersion (variance) and magnetic anisotropy constant to be estimated.
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subjects Anisotropy
Classical and Continuum Physics
Cluster analysis
Dispersion
Magnetic anisotropy
Magnetic fields
Magnetism
Magnetization
Magnetization curves
Physics
Physics and Astronomy
Thin films
title Influence of the Magnetic Anisotropy Dispersion in Ge3Mn5 Clusters on the Temperature Dependences of Magnetization in Thin Ge:Mn Films
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