Mössbauer spectroscopy of valence fluctuating Eu(Pd1-xFex)2Si2

I. Felner; I. Nowik

doi:10.1016/0921-4526(92)90558-A

Mössbauer spectroscopy of valence fluctuating Eu(Pd_1-xFe_x)₂Si₂

I. Felner^*, I. Nowik

^*Corresponding author for this work

Racah Institute of Physics

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

5 Scopus citations

Abstract

Magnetometry and ¹⁵¹Eu and ⁵⁷Fe Mössbauer spectroscopy measurements of Eu(Pd_1-xFe_x)₂Si₂ have been performed. Low amounts of iron (3%) are enough to stabilize the divalent valence of Eu below 85 K in spite of the fact that in EuFe₂Si₂ the europium is trivalent. The Fe enters predominantly the Pd site but also the Si site (25%). It is concluded that the presence of Si in the Pd site is most effective in driving the Eu to become divalent. This is also confirmed by measurements of the properties of EuPd_1.9Si_2.1 and EuPd_2.1Si_1.9.

Original language	English
Pages (from-to)	145-148
Number of pages	4
Journal	Physica B: Condensed Matter
Volume	182
Issue number	2
DOIs	https://doi.org/10.1016/0921-4526(92)90558-A
State	Published - Oct 1992

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title = "M{\"o}ssbauer spectroscopy of valence fluctuating Eu(Pd1-xFex)2Si2",

abstract = "Magnetometry and 151Eu and 57Fe M{\"o}ssbauer spectroscopy measurements of Eu(Pd1-xFex)2Si2 have been performed. Low amounts of iron (3%) are enough to stabilize the divalent valence of Eu below 85 K in spite of the fact that in EuFe2Si2 the europium is trivalent. The Fe enters predominantly the Pd site but also the Si site (25%). It is concluded that the presence of Si in the Pd site is most effective in driving the Eu to become divalent. This is also confirmed by measurements of the properties of EuPd1.9Si2.1 and EuPd2.1Si1.9.",

author = "I. Felner and I. Nowik",

year = "1992",

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doi = "10.1016/0921-4526(92)90558-A",

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journal = "Physica B: Condensed Matter",

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AU - Felner, I.

AU - Nowik, I.

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N2 - Magnetometry and 151Eu and 57Fe Mössbauer spectroscopy measurements of Eu(Pd1-xFex)2Si2 have been performed. Low amounts of iron (3%) are enough to stabilize the divalent valence of Eu below 85 K in spite of the fact that in EuFe2Si2 the europium is trivalent. The Fe enters predominantly the Pd site but also the Si site (25%). It is concluded that the presence of Si in the Pd site is most effective in driving the Eu to become divalent. This is also confirmed by measurements of the properties of EuPd1.9Si2.1 and EuPd2.1Si1.9.

AB - Magnetometry and 151Eu and 57Fe Mössbauer spectroscopy measurements of Eu(Pd1-xFex)2Si2 have been performed. Low amounts of iron (3%) are enough to stabilize the divalent valence of Eu below 85 K in spite of the fact that in EuFe2Si2 the europium is trivalent. The Fe enters predominantly the Pd site but also the Si site (25%). It is concluded that the presence of Si in the Pd site is most effective in driving the Eu to become divalent. This is also confirmed by measurements of the properties of EuPd1.9Si2.1 and EuPd2.1Si1.9.

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ER -

Mössbauer spectroscopy of valence fluctuating Eu(Pd_1-xFe_x)₂Si₂

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