MAGNETISM OF ALPHA'-FEN ALLOYS AND ALPHA''(FE16N2)FE NITRIDES

Authors
HUANG MQ WALLACE WE SIMIZU S SANKAR SG
Citation
Mq. Huang et al., MAGNETISM OF ALPHA'-FEN ALLOYS AND ALPHA''(FE16N2)FE NITRIDES, Journal of magnetism and magnetic materials, 135(2), 1994, pp. 226-230
Citations number
9
Categorie Soggetti
Material Science","Physics, Condensed Matter
Journal title
Journal of magnetism and magnetic materials → ACNP
ISSN journal
03048853
Volume
135
Issue
2
Year of publication
1994
Pages
226 - 230
Database
ISI
SICI code
0304-8853(1994)135:2<226:MOAAAA>2.0.ZU;2-P
Abstract
The alpha'-FeN phase was prepared by treating Fe powder with NH3/H2 ga s mixtures at a temperature of approximately 665-degrees-C followed by a quench to cryogenic temperatures. Conversion of alpha to alpha' to an extent exceeding 85% has been achieved. Alpha''-FeN is produced by treatment of alpha' for approximately 1 to 2 h at 120-150-degrees-C. B (sat) values obtained for alpha'- and alpha''-FeN are 23.5 and 26.6 kG , respectively. The latter corresponds to 2.94mu(B)/Fe atom, a 34% enh ancement over that of alpha-Fe.