Thermal Expansion Anomalies in R₂Fe₁₇ Compounds Before and after Nitrogenation (R: Y and Sm)
The lattice expansion of R2Fe17 and R2Fe17N3 compounds (R: Y and Sm) have been measured by X-ray diffractometry from 12 K up to 873 K. Upon nitrogenation, the low temperature anomalous expansion along the c-axis disappears; nevertheless, the spontaneous volume magnetostriction is larger.
P. C. Ezekwenna et al., "Thermal Expansion Anomalies in R₂Fe₁₇ Compounds Before and after Nitrogenation (R: Y and Sm)," Journal of Magnetism and Magnetic Materials, Elsevier, Jan 1997.
The definitive version is available at http://dx.doi.org/10.1016/S0304-8853(96)00678-6
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