| Issue |
Europhys. Lett.
Volume 43, Number 2, July II 1998
|
|
|---|---|---|
| Page(s) | 177 - 182 | |
| Section | Condensed matter: structure, thermal and mechanical properties | |
| DOI | https://doi.org/10.1209/epl/i1998-00337-8 | |
| Published online | 01 September 2002 | |
Thermal-spike effects in Xe-irradiated Ag/Fe bilayers observed with PAC markers
II. Physikalisches Institut and Sonderforschungsbereich 345,
Universität Göttingen, Bunsenstraße 7-9, D-37073 Göttingen, Germany
Received:
11
August
1997
Accepted:
4
June
1998
In the thermally immiscible bilayer system Ag/Fe the atomic transport induced
by 450 keV Xe ion irradiation was investigated by means of perturbed angular
correlation (PAC) spectroscopy. A submonolayer of 
PAC probe
atoms
was deposited in Fe at a distance of 0–17 nm from the Ag/Fe interface to
monitor the interface mixing. The ion irradiation results in a
thermal-spike–induced transport of the from the Fe into the
Ag layer caused by the different chemical affinities of In to Ag and Fe.
Taking advantage of
the nanometer resolution of the
PAC method, the average size of the thermal spikes was estimated to be
about 5 nm.
PACS: 61.80.Jh – Ion radiation effects / 75.70.Cn – Interfacial magnetic properties (multilayers, magnetic quantum wells, superlattices, magnetic heterostructures) / 64.75.+g – Solubility, segregation, and mixing; phase separation
© EDP Sciences, 1998
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