High-Curie-Temperature Ferromagnetism in (Sc,Fe)F3 Fluorides and its Dependence on Chemical Valence

Lei Hu; Jun Chen; Longlong Fan; Yang Ren; Qingzhen Huang; Andrea Sanson; Zheng Jiang; Mei Zhou; Yangchun Rong; Yong Wang; Jinxia Deng; Xianran Xing

doi:10.1002/adma.201500868

High-Curie-Temperature Ferromagnetism in (Sc,Fe)F₃ Fluorides and its Dependence on Chemical Valence

Lei Hu, Jun Chen^*, Longlong Fan, Yang Ren, Qingzhen Huang, Andrea Sanson, Zheng Jiang, Mei Zhou, Yangchun Rong, Yong Wang, Jinxia Deng, Xianran Xing

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

27 Citations (Scopus)

Abstract

A magnetic metal-fluoride system is shown for the first time to have a high Curie temperature (≈545 K). The magnetism correlates intimately with the Fe²⁺/Fe³⁺ ratio. As the ratio increases, the weak magnetism displayed by unordered magnetic moments intensifies, and these magnetic moments align in parallel. Simultaneously, a magneto-volume effect is also shown to increase the lattice volume.

Original language	English
Pages (from-to)	4592-4596
Journal	Advanced Materials
Volume	27
Issue number	31
DOIs	https://doi.org/10.1002/adma.201500868
Publication status	Published - 1 Aug 2015
Externally published	Yes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Research Keywords

fluorides
magnetic materials
multifunctional materials
spintronics
structure-property relationships

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10.1002/adma.201500868

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Cite this

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title = "High-Curie-Temperature Ferromagnetism in (Sc,Fe)F3 Fluorides and its Dependence on Chemical Valence",

abstract = "A magnetic metal-fluoride system is shown for the first time to have a high Curie temperature (≈545 K). The magnetism correlates intimately with the Fe2+/Fe3+ ratio. As the ratio increases, the weak magnetism displayed by unordered magnetic moments intensifies, and these magnetic moments align in parallel. Simultaneously, a magneto-volume effect is also shown to increase the lattice volume.",

keywords = "fluorides, magnetic materials, multifunctional materials, spintronics, structure-property relationships",

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T1 - High-Curie-Temperature Ferromagnetism in (Sc,Fe)F3 Fluorides and its Dependence on Chemical Valence

AU - Hu, Lei

AU - Chen, Jun

AU - Fan, Longlong

AU - Ren, Yang

AU - Huang, Qingzhen

AU - Sanson, Andrea

AU - Jiang, Zheng

AU - Zhou, Mei

AU - Rong, Yangchun

AU - Wang, Yong

AU - Deng, Jinxia

AU - Xing, Xianran

N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

PY - 2015/8/1

Y1 - 2015/8/1

N2 - A magnetic metal-fluoride system is shown for the first time to have a high Curie temperature (≈545 K). The magnetism correlates intimately with the Fe2+/Fe3+ ratio. As the ratio increases, the weak magnetism displayed by unordered magnetic moments intensifies, and these magnetic moments align in parallel. Simultaneously, a magneto-volume effect is also shown to increase the lattice volume.

AB - A magnetic metal-fluoride system is shown for the first time to have a high Curie temperature (≈545 K). The magnetism correlates intimately with the Fe2+/Fe3+ ratio. As the ratio increases, the weak magnetism displayed by unordered magnetic moments intensifies, and these magnetic moments align in parallel. Simultaneously, a magneto-volume effect is also shown to increase the lattice volume.

KW - fluorides

KW - magnetic materials

KW - multifunctional materials

KW - spintronics

KW - structure-property relationships

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M3 - RGC 21 - Publication in refereed journal

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JO - Advanced Materials

JF - Advanced Materials

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