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New Submission Synthesis, Local Structure and Magnetic Properties of (Dy<sub>1/3</sub>Mo<sub>2/3</sub>)<sub>2</sub>AlC

ORAL

Abstract

The discovery of rare-earth i-MAX phases, denoted by the general formula (RE1/3Mo2/3)2AlC offers a new class of materials that exhibit unique magnetic and structural properties. These materials showcase a unique combination of magnetic frustration and ordering attributed to their distinct, atomically layered, and ordered structure. Moreover, this phase is used as a precursor for the synthesis of two-dimensional materials (MXenes), which offers exciting prospects for the development of new types of conductive, magnetic, or electrochemical materials at the nanoscales. Recently, we have successfully synthesized several rare-earth i-MAX phases using the arc melter technique for the first time and have further synthesized MXenes using these MAX phases. Through comprehensive analyses, including powder X-ray diffraction, specific heat, magnetic susceptibility, neutron diffraction and neutron spectroscopy measurements, we have systematically characterized the structural and physical properties of (Dy1/3Mo2/3)2AlC. This presentation will delve into the synthesis process, structural characterization, and magnetic properties of rare-earth i-MAX phase (Dy1/3Mo2/3)2AlC, highlighting their significance and potential in advancing materials science and technology.

Presenters

  • Binod K Rai

    Savannah River National Laboratory

Authors

  • Binod K Rai

    Savannah River National Laboratory

  • Christopher A Mizzi

    Los Alamos National Laboratory (LANL), Los Alamos National Laboratory

  • Alex Bretana

    Savannah River National Laboratory

  • Logan Breton

    Savannah River National Laboratory

  • Catherine Housely

    Savannah River National Laboratory

  • Boris A Maiorov

    Los Alamos National Laboratory (LANL), Los Alamos National Laboratory

  • Ram C Rai

    Sunny Buffalo State University

  • Bhoj R Gautam

    Fayetteville State University

  • Matthias D Frontzek

    Oak Ridge National Laboratory, Neutron Scattering Division, Oak Ridge National Laboratory

  • Stuart Calder

    Oak Ridge National Lab, Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge National Laboratory