Magnetic behavior and magnetocaloric effect of neodymium-based amorphous alloy
Language
en
Article de revue
This item was published in
Journal of Applied Physics. 2008, vol. 103, n° 4, p. 044902 (6 p.)
American Institute of Physics
English Abstract
The Nd49Al13Ni38 amorphous alloy has been prepared by melt-spinning in the form of ribbons. Its magnetic properties have been investigated via superconducting quantum interference device magnetometry and its magnetic phase ...Read more >
The Nd49Al13Ni38 amorphous alloy has been prepared by melt-spinning in the form of ribbons. Its magnetic properties have been investigated via superconducting quantum interference device magnetometry and its magnetic phase diagram was established. Hysteresis and temperature-dependent magnetization measurements show the occurrence of a reentrant spin-glass behavior on cooling. With increasing applied field, the spin-freezing temperature decreases and disappears at very high field, and the Curie temperature increases, broadening the temperature range of the ferromagnetic state. The resulting magnetocaloric effect was evaluated and compared to other interesting magnetic refrigerant materials.Read less <
English Keywords
Aluminium alloys
Amorphous magnetic materials
Curie temperature
Ferrimagnetic materials
Magnetic hysteresis
Magnetocaloric effects
Melt spinning
Neodymium alloys
Nickel alloys
Spin glasses
Origin
Hal imported