The system will be going down for regular maintenance. Please save your work and logout.
The magnetocaloric properties of GdScSi and GdScGe
Language
en
Article de revue
This item was published in
Intermetallics. 2011, vol. 19, n° 10, p. 1573-1578
Elsevier
English Abstract
The magnetocaloric properties of the ferromagnetic compounds GdScSi (<i>T</i><sub>C</sub> = 354(2) K) and GdScGe (<i>T</i><sub>C</sub> = 349(2) K) (tetragonal CeScSi-type structure refined from single crystal diffractometer ...Read more >
The magnetocaloric properties of the ferromagnetic compounds GdScSi (<i>T</i><sub>C</sub> = 354(2) K) and GdScGe (<i>T</i><sub>C</sub> = 349(2) K) (tetragonal CeScSi-type structure refined from single crystal diffractometer data, space group <i>I</i>4/<i>mmm</i>) have been determined. The field dependence of the magnetic entropy ΔS<sub>m</sub> change and of the refrigerant capacity RC have been obtained from magnetization measurements. At the T<sub>C</sub> Curie temperature, ΔS<sub>m</sub> for GdScSi and GdScGe is respectively equal to 2.5 and 3.3 J/kg<sub>Gd</sub> K for a magnetic field change of 2 T; the values are comparable to those determined previously for Gd<sub>7</sub>Pd<sub>3</sub> and Gd<sub>4</sub>Bi<sub>3</sub> which exhibit also a T<sub>C</sub>-temperature higher than room temperature. Both microstructural and the analysis of the magnetocaloric response are used to assess the single phase nature of the samples.Read less <
English Keywords
Rare-earth
Intermetallic
Magnetic propeties
Origin
Hal imported