Magnetic Properties and Magnetocaloric Effect in Selected MM'X-Type (M, M' = 3d or 4d Metal, X = As, P, Ge) and Mn1-xTxAs-Type (T = 3d Metal) Intermetallics

R. Zach (1) , W. Chajec (1) , J. Tobola (2) , Daniel Fruchart (3) , El-Kebir Hlil (4) , Mohamed Balli (3, 5) , Pierre Wolfers (6)

1 Institute of Physics
2 AGH UST - AGH University of Science and Technology [Krakow, PL]
3 NEEL - MNM - Micro et NanoMagnétisme
4 NEEL - MagSup - Magnétisme et Supraconductivité
5 HES-SO - Haute École spécialisée de Suisse occidentale = HES-SO University of Applied Sciences and Arts Western Switzerland = Fachhochschule Westschweiz [Schweiz]
6 NEEL - MRS - Matériaux, Rayonnements, Structure

In this report a review of magnetic properties of two groups of intermetallic compounds in relation with their magnetocaloric effect properties is presented. A first group of materials concerns the MM'X type (M, M'-metal 3d or 4d, X = As, P, Ge) of compounds. In this group the MnRh1-xCoxAs and MnFe1-xCoxP series of solid solutions are investigated. In a second group of materials, the Mn1-xTxAs (T = Cr, V, Ti, (Ti0.5V0.5) ) series of compounds are analyzed. In this case a special attention is paid for high dc field magnetization measurements and for selected compounds. As a summary the magnetic entropy change vs. M, M' or T transition metal concentration for F-P phase transitions will be shown. Furthermore results of KKR-CPA electronic band structure computations in relation to magnetic properties are discussed.

Mots clés: Magnetisation Measurements; Magnetic Structure; Magnetocaloric Effect; Neutron Diffraction; PIEnergie; X-Ray Diffraction (XRD); Electronic Structures; KKR-CPA Method; Magnetic Phase Transition

Domaines: Science des matériaux [cond-mat.mtrl-sci]

R. Zach, W. Chajec, J. Tobola, Daniel Fruchart, El-Kebir Hlil, et al.. Magnetic Properties and Magnetocaloric Effect in Selected MM'X-Type (M, M' = 3d or 4d Metal, X = As, P, Ge) and Mn1-xTxAs-Type (T = 3d Metal) Intermetallics. Solid State Phenomena, 2011, 170, pp.180-184. ⟨10.4028/www.scientific.net/SSP.170.180⟩. ⟨hal-00686785⟩