Influence of Pressure on Magnetization of (Cd1-x-yZnyMnx)3As2 |
| H. Bednarski, J. Cisowski, W. Lubczyński Department of Solid State Physics, Polish Academy of Sciences, Wandy 3, 41-800 Zabrze, Poland J. Voiron Laboratoire de Magnétisme Louis Néel, CNRS, Grenoble, France and J.C. Portal Laboratoire des Champs Magnétiques Intenses, CNRS, Grenoble, France and Département de Génie Physique, INSA, Toulouse, France |
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| The influence of hydrostatic pressure up to 0.6 GPa on magnetization of (Cd1-x-yZnyMnx)3As2 with various compositions was studied at 4.2 K and in magnetic fields up to 7 T. The obtained experimental data were analysed within our generalized pair approximation model, treating the total Mn-Mn interaction strength as a sum of superexchange and the Bloembergen-Rowland exchange. As a result, we obtained satisfactory agreement between our approach and experiment by introducing a pressure dependence of p-d hybridization potential Vpd in the form Vpd ∝ d-4, where d is the Mn-As bond length which decreases with pressure. |
| DOI: 10.12693/APhysPolA.87.205 PACS numbers: 75.30.Cr |