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Issue 16, 2018
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Anomalies in growth of electrodeposited Ni–Fe nanogranular films

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Thin Ni–Fe films were produced via electrodeposition onto silicon substrates using direct current and pulse current (with different pulse durations) regimes. The correlation between the technological regimes, chemical composition and microstructure of Ni–Fe nanogranular films was investigated. Analysis of the microstructure evolution revealed that the mechanism of film growth changes from Volmer–Weber (island film growth) to Stranski–Krastanov (layer by layer growth) with the shortening of the pulse duration below 10 μs. This anomalous behavior was explained by the increase of the binding energy between the initial film atoms and the substrate surface. The results showed that using electrodeposition regimes, which ensure growth with an average crystal size less than the critical value of 10 nm, provides less roughness and defectiveness and better film uniformity in thickness.

Graphical abstract: Anomalies in growth of electrodeposited Ni–Fe nanogranular films

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Publication details

The article was received on 26 Feb 2018, accepted on 20 Mar 2018 and first published on 09 Apr 2018

Article type: Paper
DOI: 10.1039/C8CE00310F
Citation: CrystEngComm, 2018,20, 2306-2315
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    Anomalies in growth of electrodeposited Ni–Fe nanogranular films

    T. I. Zubar, L. V. Panina, N. N. Kovaleva, S. A. Sharko, D. I. Tishkevich, D. A. Vinnik, S. A. Gudkova, E. L. Trukhanova, E. A. Trofimov, S. A. Chizhik, S. V. Trukhanov and A. V. Trukhanov, CrystEngComm, 2018, 20, 2306
    DOI: 10.1039/C8CE00310F

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