2026-05-31T22:45:32Z https://icatplus.esrf.fr/oaipmh/request

oai:icatplus.esrf.fr:inv/2116848448 2025-06-02T06:00:51.732Z

4.2 EI 10.15151/ESRF-ES-2116848448 Jiri PRCHAL Jiri Prchal 0000-0002-2709-7012 Jiri PRCHAL Jiri Prchal 0000-0002-2709-7012 Fabrice WILHELM Fabrice Wilhelm 0000-0002-4425-3662 Oleksandr KOLOMIYETS Oleksandr Kolomiyets 0000-0003-2194-1507 Oleksandr KOLOMIYETS Oleksandr Kolomiyets 0000-0003-2194-1507 Oleksandr KOLOMIYETS Oleksandr Kolomiyets 0000-0003-2194-1507 Example Institute 2028 Data from large facility measurement 2025-05-27T06:00:00Z/2025-06-02T06:00:00Z 2025-06-02T06:00:00Z I CC-BY-4.0 The Zintl phase UCu2P2 has record high ferromagnetic ordering temperature TC = 216 K among U-based compounds, which further increases with increasing pressure. Electrical resistivity shows that it is a semi metal. Ab initio calculations reveal that it is likely also a half-metal with spin-up electrons only at the Fermi level. The aim of the proposal is two-fold: firstly, to determine the spin and orbital component of the U moments, which will allow to determine which of existing theoretical approaches is most adequate. Secondly, the variations of the U moments under pressure will be revealed. So far the TC variations were deduced from electrical resistivity and ac susceptibility; dc magnetization at extreme pressures is not available. Both goals can be achieved by means of the XMCD studies.