Abstract
Abstract Interstitial iron ( Fe i ) has strong influence on physical properties of Fe 1 + x Sb (0.08 ⩽ x ⩽ 0.38) compounds. We synthesized Fe 1.08 Sb single crystals with Fe i content close to the lower limit of solution area and investigated its transport and magnetic properties. The ac susceptibility and field dependence of magnetization measurements demonstrate that the transition at ∼9 K is a spin glass transition. By analyzing temperature dependence of susceptibility ( χ vs T) and resistivity (d2 ρ /dT2 vs T) results, we found a change of scattering in transport properties caused by the ordering of Fe i moments in this compound. In addition, the Hall resistivity results reveal that the hole-type carrier is dominant and the topological Hall effect induced by spin chirality is negligible in Fe 1.08 Sb.
Published Version
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