OBSERVATION AND CHARACTERIZATION OF FERROMAGNETIC AMORPHOUS NICKEL

Authors
ROJO JM HERNANDO A ELGHANNAMI M GARCIAESCORIAL A GONZALEZ MA GARCIAMARTINEZ R RICCIARELLI L
Citation
Jm. Rojo et al., OBSERVATION AND CHARACTERIZATION OF FERROMAGNETIC AMORPHOUS NICKEL, Physical review letters, 76(25), 1996, pp. 4833-4836
Citations number
18
Categorie Soggetti
Physics
Journal title
Physical review letters → ACNP
ISSN journal
00319007
Volume
76
Issue
25
Year of publication
1996
Pages
4833 - 4836
Database
ISI
SICI code
0031-9007(1996)76:25<4833:OACOFA>2.0.ZU;2-5
Abstract
Annealing an amorphous Ni80B20 alloy results in an intermediate state that is nanocrystalline with Ni3B crystallites surrounded by an amorph ous pure nickel phase. Amorphous nickel is found to be ferromagnetic w ith saturation magnetization about 60% of that of crystalline nickel a nd a Curie temperature around 60 K lower. By means of calorimetric mea surements, a difference of energy of 0.028 eV atom(-1) between amorpho us and crystalline nickel is reported.