Exchange bias in a superspin glass system of Co particles in Mn matrix
Journal of Physics D: Applied Physics, ISSN: 0022-3727, Vol: 41, Issue: 13
2008
- 39Citations
- 32Captures
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Article Description
The magnetic properties of 1.8 nm Co particles dispersed (4.7% volume fraction) in a Mn matrix have been investigated. The results show that the antiferromagnetic matrix provides a strong interface exchange coupling with the ferromagnetic particles and, through it, an effective long range interparticle correlation. This gives rise to a superspin glass type freezing (T = 62 K), exchange bias and a remarkable enhancement of thermal stability with respect to the same particles in a Ag matrix, as shown by a shift of the distribution of energy barriers and switching fields to much larger values. © 2008 IOP Publishing Ltd.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=48249127982&origin=inward; http://dx.doi.org/10.1088/0022-3727/41/13/134009; https://iopscience.iop.org/article/10.1088/0022-3727/41/13/134009; http://stacks.iop.org/0022-3727/41/i=13/a=134009/pdf; https://dx.doi.org/10.1088/0022-3727/41/13/134009; https://validate.perfdrive.com/fb803c746e9148689b3984a31fccd902/?ssa=778a8715-2cc3-4239-88a6-21cd99c91bcd&ssb=86686236835&ssc=https%3A%2F%2Fiopscience.iop.org%2Farticle%2F10.1088%2F0022-3727%2F41%2F13%2F134009&ssi=5a120a06-8427-4276-8f94-beda448c6445&ssk=support@shieldsquare.com&ssm=26194684941532323634876051910213568&ssn=1fa9eefb547fc57a7745615b207095f67b3de7e44089-5b4c-4bba-90d206&sso=fcd4880e-62ddb6055d96235160bafe20b026ce789272ae4e305a4889&ssp=80926723311722136708172230553778134&ssq=71713957065612434128096580256231519262685&ssr=NTIuMy4yMTcuMjU0&sst=com.plumanalytics&ssu=&ssv=&ssw=&ssx=eyJfX3V6bWYiOiI3ZjYwMDA3NmNmYmIwZC1hOTY5LTQwMjItYWM3My04NjU0NDg0NTczMTgxNzIyMTk2NTgwNDk0MTc0MDc2MTQwLTk0Mjg2YTVmMWM5YTk4OTc2MzQ3OCIsInV6bXgiOiI3ZjkwMDA1ZmViNjE3Ny05MmVkLTRmNTYtOGZlMS01OTlkOWM5MmM0MTUzLTE3MjIxOTY1ODA0OTQxNzQwNzYxNDAtMjY4MTAwNmQ3MjI4MGQ1ZTYzNDc1IiwicmQiOiJpb3Aub3JnIn0=
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