Magnetothermodynamic properties of frustrated pyrochlore Gd2FeSbO7 in cooperative two-sublattice molecular-field model

•Antiferromagnetic superexchange interaction through Gd−O−Fe−O−Gd pathways.•Fe sublattice exhibits a weak ferromagnetic transition at TC ≈ 5 K.•Moderately frustrated.•Cooperative two-sublattice model describes magnetic and heat capacity of Gd2FeSbO7. The pyrochlore, Gd2FeSbO7, having general formula...

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Veröffentlicht in:	Journal of magnetism and magnetic materials 2020-04, Vol.500, p.166381, Article 166381
Hauptverfasser:	Nandi, S., Jana, Y.M., Chakraborty, D., Alam, J., Bag, P., Islam, S.S., Nath, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Anisotropy Antiferromagnetism Curie temperature Ferromagnetism Frustrated magnetism Frustration Gadolinium Germanium Heat Magnetic moments Magnetic properties Pyrochlore Pyrochlores Specific heat Superexchange interactions Tin Two-sublattice model
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