Atomically Layered and Ordered Rare-Earth i‑MAX Phases: A New Class of Magnetic Quaternary Compounds
journal contributionposted on 06.03.2019, 00:00 by Quanzheng Tao, Jun Lu, Martin Dahlqvist, Aurelija Mockute, Stuart Calder, Andrejs Petruhins, Rahele Meshkian, Oleg Rivin, Daniel Potashnikov, El’ad N. Caspi, Hagai Shaked, Andreas Hoser, Christine Opagiste, Rose-Marie Galera, Ruslan Salikhov, Ulf Wiedwald, Clemens Ritter, Andrew R. Wildes, Börje Johansson, Lars Hultman, Michael Farle, Michel W. Barsoum, Johanna Rosen
Any type of content formally published in an academic journal, usually following a peer-review process.
In 2017, we discovered quaternary i-MAX phasesatomically layered solids, where M is an early transition metal, A is an A group element, and X is Cwith a (M12/3M21/3)2AC chemistry, where the M1 and M2 atoms are in-plane ordered. Herein, we report the discovery of a class of magnetic i-MAX phases in which bilayers of a quasi-2D magnetic frustrated triangular lattice overlay a Mo honeycomb arrangement and an Al Kagomé lattice. The chemistry of this family is (Mo2/3RE1/3)2AlC, and the rare-earth, RE, elements are Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, and Lu. The magnetic properties were characterized and found to display a plethora of ground states, resulting from an interplay of competing magnetic interactions in the presence of magnetocrystalline anisotropy.