Evolution of structure, magnetic phase transition and magnetocaloric effect of GdNiSi1-Al  (0 ≤ x ≤ 0.3) alloys

Yao, Guiquan; Zeng, Guoqing; Wang, Qiang; Cui, Weibin

doi:10.1016/j.jmmm.2023.170918

Journal of Magnetism and Magnetic Materials

2023

DOI: 10.1016/j.jmmm.2023.170918

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Evolution of structure, magnetic phase transition and magnetocaloric effect of GdNiSi1-Al (0 ≤ x ≤ 0.3) alloys

Guiquan Yao

Guoqing Zeng

Qiang Wang

et al.

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2024

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A study on the magnetothermal properties and magnetocaloric effect in Gd1−xCex
Abd-Elbaki,
Aly,
Yehia
et al. 2024
Journal of Magnetism and Magnetic Materials
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Antiferromagnetic-to-Ferromagnetic Transition in the GdNiSi1 – xAlx Compound

Mukhachev,

Lukoyanov,

Kuchin

2024

Jetp Lett.

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In this work, the electronic structure and magnetic properties of GdNiSi have been investigated within the framework of theoretical DFT + U method. The antiferromagnetic ordering of the Gd moments was obtained as the ground state, whereas Ni and Si have negligible magnetic moments. An antiferromagnetic-to-ferromagnetic transition was found when GdNiSi is doped with Al in our theoretical calculations. The antiferromagnetic-to-ferromagnetic transition takes place in the Gd sublattice, the magnetic moments at the Gd ions remain the same but the type of magnetic ordering changes. It was found that even at concentrations as low as x = 0.1, the ferromagnetic ordering in the Gd sublattice is more favorable in total energy as the ground state which can be ascribed to the shortening of Gd-Gd distances and the oscillating behavior of the Ruderman–Kittel–Kasuya–Yosida interaction in the Al-doped compositions. The electronic structure demonstrates significant changes in the vicinity of the localized Gd 4f states that confirms the presence of the antiferromagnetic-to-ferromagnetic transition using our theoretical results for Al x$$ \geqslant $$ 0.1 in good agreement with the previous experimental magnetic results.

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Antiferromagnetic-to-ferromagnetic transition in the GdNiSi1−xAlx compound

Mukhachev,

Lukoyanov,

Kuchin

2024

Pisʹma v žurnal êksperimentalʹnoj i teoretičeskoj fiziki

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Evolution of structure, magnetic phase transition and magnetocaloric effect of GdNiSi1-Al (0 ≤ x ≤ 0.3) alloys

Cited by 3 publications

References 27 publications

A study on the magnetothermal properties and magnetocaloric effect in Gd1−xCex
Abd-Elbaki,
Aly,
Yehia
et al. 2024
Journal of Magnetism and Magnetic Materials
1
0
0
0
View full text Add to dashboard Cite

A study on the magnetothermal properties and magnetocaloric effect in Gd1−xCex
Abd-Elbaki,
Aly,
Yehia
et al. 2024
Journal of Magnetism and Magnetic Materials
1
0
0
0
View full text Add to dashboard Cite

Antiferromagnetic-to-Ferromagnetic Transition in the GdNiSi1 – xAlx Compound

Antiferromagnetic-to-ferromagnetic transition in the GdNiSi1−xAlx compound

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Evolution of structure, magnetic phase transition and magnetocaloric effect of GdNiSi1-Al (0 ≤ x ≤ 0.3) alloys

Cited by 3 publications

References 27 publications

A study on the magnetothermal properties and magnetocaloric effect in Gd1−xCexAbd-Elbaki, Aly, Yehia et al. 2024Journal of Magnetism and Magnetic Materials1000View full textAdd to dashboardCite

A study on the magnetothermal properties and magnetocaloric effect in Gd1−xCexAbd-Elbaki, Aly, Yehia et al. 2024Journal of Magnetism and Magnetic Materials1000View full textAdd to dashboardCite

Antiferromagnetic-to-Ferromagnetic Transition in the GdNiSi1 – xAlx Compound

Antiferromagnetic-to-ferromagnetic transition in the GdNiSi1−xAlx compound

Contact Info

Product

Resources

About

Evolution of structure, magnetic phase transition and magnetocaloric effect of GdNiSi1-Al (0 ≤ x ≤ 0.3) alloys

A study on the magnetothermal properties and magnetocaloric effect in Gd1−xCex
Abd-Elbaki,
Aly,
Yehia
et al. 2024
Journal of Magnetism and Magnetic Materials
1
0
0
0
View full text Add to dashboard Cite

A study on the magnetothermal properties and magnetocaloric effect in Gd1−xCex
Abd-Elbaki,
Aly,
Yehia
et al. 2024
Journal of Magnetism and Magnetic Materials
1
0
0
0
View full text Add to dashboard Cite