X-ray absorption spectroscopy study of the instability of ferromagnetism in CeFe2: Effects of Co and Al substitutions

Jesús Chaboy; Cristina Piquer; Luis M. García; Fernando Bartolomé; Hirofumi Wada; Hiroshi Maruyama; Naomi Kawamura

doi:10.1063/1.372849

X-ray absorption spectroscopy study of the instability of ferromagnetism in CeFe₂: Effects of Co and Al substitutions

Jesús Chaboy, Cristina Piquer, Luis M. García, Fernando Bartolomé, Hirofumi Wada, Hiroshi Maruyama, Naomi Kawamura

Condensed Matter Physics

Research output: Contribution to journal › Conference article › peer-review

4 Citations (Scopus)

Abstract

We present in this work an x-ray absorption spectroscopy (XAS) investigation performed at the L₃-edge of Ce in the intermetallic compounds Ce(Fe_1-xCo_x)₂ and Ce(Fe_1-xAl_x)₂. The mixed-valence behavior of Ce is found to be preserved in both series upon Fe substitution. This result rules out the development of a localized 4f magnetic moment at Ce atoms driven by the Fe-Co and Fe-Al substitution at the origin of the anomalous magnetic behavior of this series.

Original language	English
Pages (from-to)	6809-6811
Number of pages	3
Journal	Journal of Applied Physics
Volume	87
Issue number	9 III
DOIs	https://doi.org/10.1063/1.372849
Publication status	Published - May 1 2000
Event	44th Annual Conference on Magnetism and Magnetic Materials - San Jose, CA, United States Duration: Nov 15 1999 → Nov 18 1999

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1063/1.372849

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X-ray absorption spectroscopy study of the instability of ferromagnetism in CeFe₂ : Effects of Co and Al substitutions. / Chaboy, Jesús; Piquer, Cristina; García, Luis M.; Bartolomé, Fernando; Wada, Hirofumi; Maruyama, Hiroshi; Kawamura, Naomi.

In: Journal of Applied Physics, Vol. 87, No. 9 III, 01.05.2000, p. 6809-6811.

Research output: Contribution to journal › Conference article › peer-review

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abstract = "We present in this work an x-ray absorption spectroscopy (XAS) investigation performed at the L3-edge of Ce in the intermetallic compounds Ce(Fe1-xCox)2 and Ce(Fe1-xAlx)2. The mixed-valence behavior of Ce is found to be preserved in both series upon Fe substitution. This result rules out the development of a localized 4f magnetic moment at Ce atoms driven by the Fe-Co and Fe-Al substitution at the origin of the anomalous magnetic behavior of this series.",

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AU - Chaboy, Jesús

AU - Piquer, Cristina

AU - García, Luis M.

AU - Bartolomé, Fernando

AU - Wada, Hirofumi

AU - Maruyama, Hiroshi

AU - Kawamura, Naomi

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AB - We present in this work an x-ray absorption spectroscopy (XAS) investigation performed at the L3-edge of Ce in the intermetallic compounds Ce(Fe1-xCox)2 and Ce(Fe1-xAlx)2. The mixed-valence behavior of Ce is found to be preserved in both series upon Fe substitution. This result rules out the development of a localized 4f magnetic moment at Ce atoms driven by the Fe-Co and Fe-Al substitution at the origin of the anomalous magnetic behavior of this series.

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