Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 32, Issue 15, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-648X/ab6023
Keywords
amorphous metals; Ni-P alloys; thin films; molecular dynamics; electroless deposition; differential scanning calorimetry
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Funding
- IDRIS [INP2227/92914]
- 'Investments for the Future' program [ANR-10-LABX-44-01]
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A combined experimental and simulation study is carried out to compare the properties of amorphous Ni100-xPx alloys obtained by electroless deposition and rapid melt-quenching. The onset of crystallization of experimental electroless deposited amorphous films is measured by differential scanning calorimetry experiments. Classical molecular dynamics simulations using Embedded Atom Model-based interactions are performed to obtain glassy Ni-P by melt-quenching the liquid with various quenching rates, as well as via low-energy chemical deposition to mimic experimental electroless deposition. It is shown that the deposited amorphous and glassy states display similar short-range order. The amorphous deposit corresponds to a glassy state obtained with a cooling rate of 10(9) K s(-1), indicating that deposition yields generally more relaxed amorphous structures. The appearance of phosphorus-enriched surface on the simulated deposited thin film, comparable to experimental observations, is discussed.
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