Antiferromagnetic order in insulating gadolinium nickel zinc ferrite nanoparticles

Azeem, Muhammad; Anakha, Udayan; Berezner, Arseniy

doi:10.1016/j.physb.2024.416138

Physica B: Condensed Matter

2024

DOI: 10.1016/j.physb.2024.416138

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Antiferromagnetic order in insulating gadolinium nickel zinc ferrite nanoparticles

Muhammad Azeem,

Udayan Anakha,

Arseniy Berezner

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2024

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Cited by 2 publications

References 33 publications

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Gd3+ based spin 12 linear chain antiferromagnet

Azeem,

Anakha

2024

Journal of Magnetism and Magnetic Materials

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Gd3+ based spin 12 linear chain antiferromagnet

Azeem,

Anakha

2024

Journal of Magnetism and Magnetic Materials

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Strong antiferromagnetic exchange coupling at Gd₂O₃/GdFeO₃ interfaces in nanoparticle ensembles

Azeem,

Anakha,

Mazur

et al. 2024

J. Phys. D: Appl. Phys.

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Signatures of strong antiferromagnetic exchange coupling at the interface of Gd2O3/GdFeO3 subphases of gadolinium nickel zinc ferrite nanoparticle ensemble have been observed. Hybridized domain walls are exchange coupled to the magnetic subphases on both sides of the interface. Origin of the coupling is in the quantum interference of the Bloch waves with the energy states within the domain walls. The coupling mechanism intensifies at low temperatures. A constriction in the middle of the hysteresis loop (at H=0) is believed to be the result of antiferromagnetic transitions which becomes narrow at 5K. The constriction at 5 K effectively divides the hysteresis loop in two parts, confining spin vector components in the positive and negative quadrants. The magnetic susceptibility clearly shows antiferromagnetic transition temperature (TN) of approximately 17 K.

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Antiferromagnetic order in insulating gadolinium nickel zinc ferrite nanoparticles

Cited by 2 publications

References 33 publications

Gd3+ based spin 12 linear chain antiferromagnet

Gd3+ based spin 12 linear chain antiferromagnet

Strong antiferromagnetic exchange coupling at Gd₂O₃/GdFeO₃ interfaces in nanoparticle ensembles

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Antiferromagnetic order in insulating gadolinium nickel zinc ferrite nanoparticles

Cited by 2 publications

References 33 publications

Gd3+ based spin 12 linear chain antiferromagnet

Gd3+ based spin 12 linear chain antiferromagnet

Strong antiferromagnetic exchange coupling at Gd2O3/GdFeO3 interfaces in nanoparticle ensembles

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Strong antiferromagnetic exchange coupling at Gd₂O₃/GdFeO₃ interfaces in nanoparticle ensembles