Magnetoelastic Properties of the MnRu x Rh 1-x As system: Crystal, Electronic Structure and Magnetocaloric Effect Analyses

The crystal structure of MnRu x Rh 1-x As system belongs to the hexagonal Fe 2 P-type structure (SG: P 6 2m). Mn atoms locate at pyramidal (3g) sites, Ru and Rh atoms occupy tetrahedral (3f) sites and As atoms occupy 1b and 2c positions. Systematic XRD data collected in the 80 - 550 K temperature range and crystal structure refinements were performed for 0.05 < x < 1. From the thermal behavior of both the cell parameters and the atomic positions, a global analysis of the magneto-elastic characteristics was made. In this report we present the magnetocaloric characteristics (MCE), addressed to the Mn magnetic ordering. Both conventional (0.8

Keywords:

• Electronic structure
• Atmospheric temperature range
• Magnetic refrigeration
• Materials science
• Crystallography
• Atom
• Magnetic moment
• Magnetization
• Crystal structure
• X-ray crystallography

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