Anisotropy in the magnetic and electrical transport properties of Fe1-xCrxSb2
Rongwei Hu, V. F. Mitrovic, and C. Petrovic
TL;DR
This study explores how substituting Fe with Cr in Fe1-xCrxSb2 affects its magnetic and electrical anisotropy, revealing a transition from paramagnetic to antiferromagnetic states and a shift in conduction mechanisms.
Contribution
It provides new insights into the evolution of magnetic and electrical anisotropy in Fe1-xCrxSb2 with Cr substitution, highlighting the change in conduction mechanisms at different compositions.
Findings
Magnetic ground state shifts from paramagnetic to antiferromagnetic with Cr substitution.
Electrical anisotropy decreases and disappears by x=0.5.
VRH conduction dominates at low temperatures for 0.4<= x <=0.75.
Abstract
We have investigated anisotropy in magnetic and electrical transport properties of Fe1-xCrxSb2 (0<= x <=1) single crystals. The magnetic ground state of the system evolves from paramagnetic to antiferromagnetic with gradual substitution of Fe with Cr. Anisotropy in electrical transport diminishes with increased Cr substitution and fades away by x=0.5. We find that the variable range hopping (VRH) conduction mechanism dominates at low temperatures for 0.4<= x <=0.75.
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Taxonomy
TopicsRare-earth and actinide compounds · Magnetic and transport properties of perovskites and related materials · Magnetic properties of thin films