CAS OpenIR  > 中科院上海原子核所2003年前
Co nanoprecipitates formed in Ag upon ion implantation: their lattice dynamical properties
Pattyn, H; Verheyden, J; Deweerd, W; Koops, GEJ; Zhang, GL(张桂林); El Azzaoui, M; Hou, M
1999
Conference Name11th International Conference on Hyperfine Interactions
Source PublicationHYPERFINE INTERACTIONS
Pages291
Conference DateAUG 23-28, 1998
Conference PlaceDURBAN, SOUTH AFRICA
AbstractWe have investigated the lattice dynamics of nanoparticles of Co embedded in Ag, created by ion implantation and subsequent annealing. Around 600 degrees C ferromagnetic particles are strongly populated. A careful comparison of the Mossbauer component intensities at two measuring temperatures shows that the particles' size distribution is bimodal, with a Debye temperature close to bulk Co for the taller part and decreasing with size towards the value for substitutional Co in Ag for the smallest part. theta(D) of the smallest particles compares well with the value that we obtain from MD calculations on a tiny (405 atoms) embedded fcc Co cluster.
ISSN0304-3843
Indexed BySCI
Funding Project应物所课题组
Language英语
Document Type会议论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/9789
Collection中科院上海原子核所2003年前
Recommended Citation
GB/T 7714
Pattyn, H,Verheyden, J,Deweerd, W,et al. Co nanoprecipitates formed in Ag upon ion implantation: their lattice dynamical properties[C],1999:291.
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