2021
DOI: 10.1103/physrevb.103.l220102
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Elongation of Fe-Fe atomic pairs in the Invar alloy Fe65Ni35

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Cited by 4 publications
(2 citation statements)
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“…As the pressure increases, the shift of the g Fe-Fe (R) gradually decreases, and the g ij (R) profiles of Fe-Fe, Fe-Ni and Ni-Ni pairs are located at the same positions at pressures above 18.9 GPa. The elongation and pressure-induced shrinkage of the Fe-Fe pairs have also been observed in the g ij (R) profiles of Invar alloys (Ishimatsu et al, 2021). To investigate the elongation of the Fe-Fe atomic pairs quantitatively, average lengths of the 1NN atomic pairs, R Fe-Fe , R Fe-Ni , and R Ni-Ni were evaluated.…”
Section: Resultsmentioning
confidence: 95%
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“…As the pressure increases, the shift of the g Fe-Fe (R) gradually decreases, and the g ij (R) profiles of Fe-Fe, Fe-Ni and Ni-Ni pairs are located at the same positions at pressures above 18.9 GPa. The elongation and pressure-induced shrinkage of the Fe-Fe pairs have also been observed in the g ij (R) profiles of Invar alloys (Ishimatsu et al, 2021). To investigate the elongation of the Fe-Fe atomic pairs quantitatively, average lengths of the 1NN atomic pairs, R Fe-Fe , R Fe-Ni , and R Ni-Ni were evaluated.…”
Section: Resultsmentioning
confidence: 95%
“…Disordered Fe 65 Ni 35 is a well-known Invar alloy that exhibits zero thermal expansion in a wide temperature range up to the Curie temperature, T C ≈ 505 K, at ambient pressure (Guillaume and Seances, 1897). We have previously examined the compressibility of Fe-Fe, Fe-Ni, and Ni-Ni atomic pairs in the Invar alloy using RMC calculations, revealing elongation of Fe-Fe atomic pairs compared with the other two atomic pairs (Ishimatsu et al, 2021). Because the elongation disappears with the pressure-induced transition to the paramagnetic phase, we concluded that the magnetovolume effect is due to the elongation of Fe-Fe atomic pairs.…”
Section: Introductionmentioning
confidence: 91%