Magnetic order and instability in newly synthesized CoSeAs marcasite
Yiyao Chen1, G Yumnam1, A Dahal1
1Department of Physics and Astronomy, University of Missouri, Columbia, Missouri 65211, USA.
None:
Marcasite class of compounds provide a facile platform to explore novel phenomena of fundamental and technological importance, such as unconventional superconductivity or high-performance electrocatalyst. We report the synthesis and experimental investigation of a marcasite CoSeAs in this paper. Experimental investigation of this material using neutron scattering measurements reveals weak magnetic correlation of cobalt ions below K. The modest isotropic exchange interaction between cobalt moments, inferred from random phase approximation analysis, hints of a magnetically unstable environment. It is a desirable characteristic to induce unconventional superconductivity via chemical pressure application.
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