Regensburg 2025 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 37: Correlated Electrons: Poster

TT 37.26: Poster

Mittwoch, 19. März 2025, 15:00–18:00, P4

Synthesis and Physical Properties of 2D van der Waals Magnets Fe_1−xTM_xPX₃ (TM: Transition Metals) — •Masoumeh Rahimkhani, Saicharan Aswartham, Andreas Kreyssig, and Anna Böhmer — Experimentalphysik IV, Ruhr-Universität Bochum, 44801 Bochum, Germany

Transition-metal phosphochalcogenides (TMPX₃) belong to the family of layered van-der-Waals materials in which TM is a transition-metal and X is a chalcogenide. These materials exhibit various electric, optical, and magnetic properties. FePSe₃ belongs to this family of TMPX₃ with interesting magnetic and electronic properties. Here, we describe the preparation of FePSe₃ and its substitution series with different transition metals through solid-state synthesis and CVT. The samples are characterized by X-ray diffraction and scanning electron microscope for structural and phase analysis. Further on, the magnetic and electronic properties will be investigated.

Keywords: MPX3; solid-state synthesis; CVT; van der Waals magnetic material; crystal structure