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arXiv · 2510.16554

Growth, discovery and characterization of single crystalline Eu$_{0.8}$Pt$_6$Al$_{16.4}$

Juan Schmidt·Oliver Janka·Jutta Kösters·Sergey L. Bud'ko·Paul C. Canfield
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Abstract

We report the discovery of a ternary compound, Eu$_{0.8}$Pt$_6$Al$_{16.4}$. We determine its chemical and structural characteristics based on energy-dispersive X-ray spectroscopy as well as both powder and single-crystal X-ray diffraction, demonstrating that it crystallizes in a hexagonal structure type EuPt$_6$Al$_{17}$ with no reported structural analog. The electronic and magnetic properties are characterized by temperature- and field-dependent magnetization, and temperature-dependent resistance measurements, revealing that the Eu$^{2+}$ magnetic moments order antiferromagnetically below 2.8 K.

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Juan Schmidt, Oliver Janka, Jutta Kösters, Sergey L. Bud'ko, Paul C. Canfield. 2025-10-18. Growth, discovery and characterization of single crystalline Eu$_{0.8}$Pt$_6$Al$_{16.4}$. https://doi.org/10.1016/j.jssc.2026.125830

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