Antiferromagnetic ordering in EuPtGe${}_3$ single crystal

Abstract

The magnetic properties of single crystalline EuPtGe${}_3$, crystallizing in the non-centrosymmetric BaNiSn${}_3$-type crystal structure, have been studied by means of magnetisation, electrical resistivity, heat capacity and ${}^{151}$Eu Mössbauer spectroscopy. The susceptibility and heat capacity data indicate a magnetic transition at $T_{\mathrm{N}}$ = 11\,K. The Mössbauer data confirm this conclusion, but evidence a slight first order character of the transition. Analysing the magnetisation data using a mean field model with two antiferromagnetically coupled sublattices allows to explain some aspects of the magnetic behaviour, and to derive the first and second neighbour exchange integrals in EuPtGe${}_3$.

6 pages, 7 figures

References in corpus (2)

• Heavy fermion superconductivity and magnetic order in non-centrosymmetric $CeP{t}_{3}Si$
• Magnetic properties of EuPtSi${}_3$ single crystals

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• Evidence of The Anomalous Fluctuating Magnetic State by Pressure Driven 4f Valence Change in EuNiGe${}_3$
• Resonant elastic X-ray scattering of antiferromagnetic superstructures in EuPtSi${}_3$