The Magnetic Susceptibility Bifurcation in the Ni-Doped Sb2Te3 Topological Insulator with Antiferromagnetic Order Accompanied by Weak Ferromagnetic Alignment

The magnetic susceptibility reveals a discontinuity at Néel temperature and a hysteresis loop with low coercive field was observed below Néel temperature. The magnetic susceptibility of zero field cool and field cool processes coincide at a temperature above the discontinuity, and they split at temp...

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Bibliographic Details
Published in:Nanoscale research letters 2021-12, Vol.16 (1), p.180-180, Article 180
Main Authors: Huang, Shiu-Ming, Wang, Pin-Cing, Jian, Hao-Lun, Chou, Mitch M. C.
Format: Article
Language:English
Subjects:
Anisotropy
Antiferromagnetism
Chemistry and Materials Science
Coercivity
Curie–Weiss law
Discontinuity
Ferromagnetism
Ferromagnetism topological material
Hysteresis loops
Magnetic anisotropy
Magnetic fields
Magnetic permeability
Magnetic susceptibility
Magnetism
Materials Science
Molecular Medicine
Nano Express
Nanochemistry
Nanoscale Science and Technology
Nanotechnology
Nanotechnology and Microengineering
Splitting
Susceptibility
Topological insulators
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Summary:The magnetic susceptibility reveals a discontinuity at Néel temperature and a hysteresis loop with low coercive field was observed below Néel temperature. The magnetic susceptibility of zero field cool and field cool processes coincide at a temperature above the discontinuity, and they split at temperature blow the discontinuity. The magnetic susceptibility splitting is larger at lower external magnetic fields. No more magnetic susceptibility splitting was observed at a magnetic field above 7000 Oe which is consistent with the magnetic anisotropy energy. Our study supports that these magnetic susceptibility characteristics originate from an antiferromagnetic order accompanied by weak ferromagnetism.
ISSN:1556-276X
1931-7573
1556-276X
DOI:10.1186/s11671-021-03637-5