Reversible Table-Like Magnetocaloric Effect in EuAuGe Compound.

The magnetic properties and magnetocaloric effect (MCE) in the ternary intermetallic compound of EuAuGe have been investigated. The compound undergoes a second-order magnetic phase transition at its own Curie temperatures T∼33 K. A large reversible table-like MCE has been observed from 1 to 40 K, which is related to the magnetic field-sensitive magnetic phase transition. For the magnetic field changes of 0-5 and 0-7 T, the maximum values of magnetic entropy change ( $-{\Delta } S_{\mathrm {M}}^{\max }$) are evaluated to be 7.6 and 10.1 J kg K, respectively; the corresponding relative cooling power ( RCP) are 358 and 499 J kg. The present results indicate that the EuAuGe compound is a considerable candidate for low-temperature refrigeration. [ABSTRACT FROM AUTHOR]