Coalescence process of monodispersed Co cluster assemblies0

D. L. Peng, Toyohiko Konno, K. Wakoh, T. Hihara, K. Sumiyama

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Cluster-cluster coalescence process of monodispersed Co clusters with mean diameter d = 8.5 and 13 nm deposited a plasma-gas-condensation-type cluster beam deposition system was investigated by in situ electrical conductivity measurements and ex situ scanning electron microscopy (SEM) and transmission electron microscopy (TEM), and analyzed by percolation concept. The electrical conductivity measurement and TEM observation indicated that, below temperature T ≈ 100 °C, the Co clusters in the assemblies maintain their original structure as deposited at room temperature, while that the inter-cluster coalescence takes place at T > 100 °C, although the size distribution and the interface morphology of the clusters showed no marked change at substrate temperatures Ts ≤ 200 °C.

Original languageEnglish
Pages (from-to)329-332
Number of pages4
JournalEuropean Physical Journal D
Volume8
Issue number3
Publication statusPublished - 2001 Jan 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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