Hydrogen absorption in R2Fe17 alloys (R=rare earth metals) thermodynamics, structural and magnetic properties

O. Isnard; S. Miraglia; D. Fruchart; E. Akiba; K. Nomura

doi:10.1016/S0925-8388(97)00002-9

Hydrogen absorption in R₂Fe₁₇ alloys (R=rare earth metals) thermodynamics, structural and magnetic properties

O. Isnard, S. Miraglia, D. Fruchart, E. Akiba, K. Nomura

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

25 Citations (Scopus)

Abstract

Hydrogen absorption effects in the R₂Fe₁₇ series of alloys have been established from pressure-composition (pc) isotherms, crystal structure determination and magnetic measurements. If no plateau pressure has been observed in the (pc)-isotherms, such curves have been found to be dependent on the nature of the R element. The results agree with a progressive but successive filling of the octahedral 2R-4Fe and the tetrahedral 2R-2Fe sites. Most of the modifications observed in the magnetic properties can be correlated with changes in selected Fe-Fe distances.

Original language	English
Pages (from-to)	150-155
Number of pages	6
Journal	Journal of Alloys and Compounds
Volume	257
Issue number	1-2
DOIs	https://doi.org/10.1016/S0925-8388(97)00002-9
Publication status	Published - Jul 25 1997
Externally published	Yes

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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10.1016/S0925-8388(97)00002-9

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title = "Hydrogen absorption in R2Fe17 alloys (R=rare earth metals) thermodynamics, structural and magnetic properties",

abstract = "Hydrogen absorption effects in the R2Fe17 series of alloys have been established from pressure-composition (pc) isotherms, crystal structure determination and magnetic measurements. If no plateau pressure has been observed in the (pc)-isotherms, such curves have been found to be dependent on the nature of the R element. The results agree with a progressive but successive filling of the octahedral 2R-4Fe and the tetrahedral 2R-2Fe sites. Most of the modifications observed in the magnetic properties can be correlated with changes in selected Fe-Fe distances.",

author = "O. Isnard and S. Miraglia and D. Fruchart and E. Akiba and K. Nomura",

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AU - Isnard, O.

AU - Miraglia, S.

AU - Fruchart, D.

AU - Akiba, E.

AU - Nomura, K.

PY - 1997/7/25

Y1 - 1997/7/25

N2 - Hydrogen absorption effects in the R2Fe17 series of alloys have been established from pressure-composition (pc) isotherms, crystal structure determination and magnetic measurements. If no plateau pressure has been observed in the (pc)-isotherms, such curves have been found to be dependent on the nature of the R element. The results agree with a progressive but successive filling of the octahedral 2R-4Fe and the tetrahedral 2R-2Fe sites. Most of the modifications observed in the magnetic properties can be correlated with changes in selected Fe-Fe distances.

AB - Hydrogen absorption effects in the R2Fe17 series of alloys have been established from pressure-composition (pc) isotherms, crystal structure determination and magnetic measurements. If no plateau pressure has been observed in the (pc)-isotherms, such curves have been found to be dependent on the nature of the R element. The results agree with a progressive but successive filling of the octahedral 2R-4Fe and the tetrahedral 2R-2Fe sites. Most of the modifications observed in the magnetic properties can be correlated with changes in selected Fe-Fe distances.

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Hydrogen absorption in R₂Fe₁₇ alloys (R=rare earth metals) thermodynamics, structural and magnetic properties

Abstract

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