THE ROAD TO FE16N2 FORMATION IN N-57 ENRICHED FILMS( IMPLANTED FE)

Authors
LEROY E DJEGAMARIADASSOU C BERNAS H KAITASOV O KRISHNAN R TESSIER M
Citation
E. Leroy et al., THE ROAD TO FE16N2 FORMATION IN N-57 ENRICHED FILMS( IMPLANTED FE), Applied physics letters, 67(4), 1995, pp. 560-562
Citations number
14
Categorie Soggetti
Physics, Applied
Journal title
Applied physics letters → ACNP
ISSN journal
00036951
Volume
67
Issue
4
Year of publication
1995
Pages
560 - 562
Database
ISI
SICI code
0003-6951(1995)67:4<560:TRTFFI>2.0.ZU;2-Q
Abstract
20 keV N+ ions have been implanted on Fe-57 enriched Fe films and RF d eposited on glass and NaCl substrates with various fluences up to 3.0X 10(16) N+/cm(2). Conversion electron Mossbauer spectroscopy and transm ission electron microscopy measurements performed at room temperature on the as-implanted samples reveal the presence of alpha-Fe, alpha'-ma rtensite, and epsilon-Fe3-xN phases. alpha ''-Fe16N2 is only detected after a subsequent annealing at 220 degrees C; alpha'-martensite with a low nitrogen content appears as the precursor of alpha '', The addit ional nitrogen content needed for this process is supplied by the epsi lon phase. (C) 1995 American Institute of Physics.