Magnetocaloric Effect of the Tb1 - xYxNiAl and TbNiAl1 - yIny Series |
| J. Kaštil, P. Javorský and M. Klicpera
Charles University in Prague, Faculty of Mathematics and Physics, Department of Condensed Matter Physics, Prague, Czech Republic |
| Full Text PDF |
| We have studied the development of the magnetocaloric effect in the (Tb,Y)NiAl and TbNi(Al,In) series as determined from magnetization measurements. The transition from antiferromagnetic order in TbNiAl to ferromagnetic order in Tb0.7Y0.3NiAl is accompanied by increase of the maximum entropy change from - 4.1 to - 4.4 J kg-1 K-1. In the TbNi(Al,In) series, the change of uniaxial anisotropy in TbNiAl to the easy-plane anisotropy in TbNiIn leads to broadening of the magnetocaloric effect accompanied with large increase of the relative cooling power from 66 to 120 J kg-1. |
| DOI: 10.12693/APhysPolA.118.888 PACS numbers: 75.30.Sg |