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Magnetic Order and Instability in Newly Synthesized CoSeAs Marcasite

Published

Author(s)

Yiyao Chen, G. Yumnam, A. Dahal, Jose Rodriguez Rivera, Guangyong Xu, T. Heitmann, D. K. Singh

Abstract

Marcasite class of compounds provide 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 new marcasite CoSeAs in this letter. Experimental investigation of the new material using neutron scattering measurements reveal weak magnetic correlation of cobalt ions below Τ = 36.2 K. The modest isotropic exchange interaction between cobalt moments, inferred from random phase approximation analysis, hints of magnetically unstable environment. It is a desirable characteristic to induce unconventional superconductivity via chemical pressure application.
Citation
Physical Review Research
Volume
2
Issue
2

Keywords

magnet order, marcasite, neutron scattering

Citation

Chen, Y. , Yumnam, G. , Dahal, A. , Rodriguez Rivera, J. , Xu, G. , Heitmann, T. and Singh, D. (2020), Magnetic Order and Instability in Newly Synthesized CoSeAs Marcasite, Physical Review Research, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=929640 (Accessed February 26, 2024)
Created May 12, 2020, Updated October 12, 2021