Evolution of magnetic and mechanical properties in stainless steel films implanted with Kr ions

Mössbauer spectroscopy and X-ray diffraction techniques were used to analyse the magnetic and mechanical properties of nano-crystalline Fe–Ni–Cr films in the as-sputtered state and after ion implantation with a dose of 10 17 Kr 2+/cm 2. Before implantation, the films are found to be magnetic (hyperf...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Beam interactions with materials and atoms, 1999-08, Vol.155 (3), p.289-294
Main Authors: Boubeker, B, Goudeau, Ph, Serrari, A, Eymery, J.P
Format: Article
Language:English
Subjects:
Ion implantation
Magnetic properties
Residual stress
Sputter deposition
Stainless steel
X-ray diffraction
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Summary:Mössbauer spectroscopy and X-ray diffraction techniques were used to analyse the magnetic and mechanical properties of nano-crystalline Fe–Ni–Cr films in the as-sputtered state and after ion implantation with a dose of 10 17 Kr 2+/cm 2. Before implantation, the films are found to be magnetic (hyperfine field around 29.7 T) and the body-centred cubic structure is in a high compressive stress state (−3.2 GPa). Measurements done after implantation treatments show that the hyperfine field decreases from 29.7 down to 29.4 T while residual stresses increase from −3.2 up to 1.4 GPa (the compressive state is decreasing). No phase transformation is observed.
ISSN:0168-583X
1872-9584
DOI:10.1016/S0168-583X(99)00473-5