Canting of the Magnetic Moments on the Octahedral Site of an Iron Oxide Garnet in Response to Diamagnetic Cation Substitution

Joanna Milam-Guerrero; Michelle Zheng; Nicole R. Spence; Stuart Calder; Saul Lapidus; Brent C. Melot

doi:10.1021/acs.inorgchem.0c03809

Canting of the Magnetic Moments on the Octahedral Site of an Iron Oxide Garnet in Response to Diamagnetic Cation Substitution

Joanna Milam-Guerrero, Michelle Zheng, Nicole R. Spence, Stuart Calder, Saul Lapidus, Brent C. Melot

Powder Diffraction

Research output: Contribution to journal › Article › peer-review

Abstract

Using neutron powder diffraction and magnetic susceptibility measurements, we report on the preparation and characterization of the temperature- and field-dependent properties of CaY2ZrFe4O12, a composition closely related to the high-temperature ferrimagnet Y3Fe5O12. By diluting the concentration of paramagnetic ions on the octahedral sublattice of the garnet structure, we find temperature-dependent canting of the magnetic moments. This reflects the importance of the octahedral sublattice in mediating the magnetic interactions between the tetrahedral sites and offers insight into a large number of competing magnetic interactions in the garnet structure.

Original language	English
Pages (from-to)	6249-6254
Number of pages	6
Journal	Inorganic Chemistry
Volume	60
Issue number	9
DOIs	https://doi.org/10.1021/acs.inorgchem.0c03809
State	Published - May 3 2021

Funding

J.M.-G. and B.C.M. gratefully acknowledge support from the Office of Naval Research Grant No. N00014-15-1-2411. This research used resources at the High Flux Isotope Reactor, a DOE Office of Science User Facility operated by the Oak Ridge National Laboratory. Use of the Advanced Photon Source at Argonne National Laboratory was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357.

Funders	Funder number
Office of Naval Research	N00014-15-1-2411
U.S. Department of Energy
Office of Science
Basic Energy Sciences	DE-AC02-06CH11357

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title = "Canting of the Magnetic Moments on the Octahedral Site of an Iron Oxide Garnet in Response to Diamagnetic Cation Substitution",

abstract = "Using neutron powder diffraction and magnetic susceptibility measurements, we report on the preparation and characterization of the temperature- and field-dependent properties of CaY2ZrFe4O12, a composition closely related to the high-temperature ferrimagnet Y3Fe5O12. By diluting the concentration of paramagnetic ions on the octahedral sublattice of the garnet structure, we find temperature-dependent canting of the magnetic moments. This reflects the importance of the octahedral sublattice in mediating the magnetic interactions between the tetrahedral sites and offers insight into a large number of competing magnetic interactions in the garnet structure.",

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AU - Milam-Guerrero, Joanna

AU - Zheng, Michelle

AU - Spence, Nicole R.

AU - Calder, Stuart

AU - Lapidus, Saul

AU - Melot, Brent C.

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AB - Using neutron powder diffraction and magnetic susceptibility measurements, we report on the preparation and characterization of the temperature- and field-dependent properties of CaY2ZrFe4O12, a composition closely related to the high-temperature ferrimagnet Y3Fe5O12. By diluting the concentration of paramagnetic ions on the octahedral sublattice of the garnet structure, we find temperature-dependent canting of the magnetic moments. This reflects the importance of the octahedral sublattice in mediating the magnetic interactions between the tetrahedral sites and offers insight into a large number of competing magnetic interactions in the garnet structure.

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JO - Inorganic Chemistry

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Canting of the Magnetic Moments on the Octahedral Site of an Iron Oxide Garnet in Response to Diamagnetic Cation Substitution

Abstract

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