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Mössbauer Study of Fe Clusters in Cu Matrices Precipitated from Sputter-Deposited Solid Solution

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Copyright (c) 1995 The Japan Society of Applied Physics
, , Citation Takehiko Hihara et al 1995 Jpn. J. Appl. Phys. 34 6063 DOI 10.1143/JJAP.34.6063

1347-4065/34/11R/6063

Abstract

Mössbauer spectra have been investigated for Fe clusters precipitated in a sputter (SP)-deposited nonequilibrium Fe11Cu89 alloy, and compared with one produced by cluster beam (CB) deposition. With annealing time of the SP-deposited alloy the number of isolated atoms (monomer) does not change at the first stage, but, the number of small clusters decreases and that of large clusters (γ-Fe) increases. This is attributable to Ostwald ripening. Moreover, the size of Fe clusters is more uniform in the CB-deposited alloy than in the SP-deposited alloy after annealing at 573 K for 98.8 ks.

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10.1143/JJAP.34.6063