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Scanning electron microscopy images combined with phase field modeling demonstrates how water film uniformity dictates magnesium ion transport. The schematic summarizes different reaction regimes controlled by MgO wettability.
Scientific Achievement: Phase-field modeling and mesoscale imaging reveal that surface wettability and temperature control whether water condenses as isolated droplets or uniform films on magnesium oxide (MgO), directly determining the texture of the resulting hydroxide precipitates.
Significance and Impact: Understanding water-driven reaction mechanisms is critical for optimizing MgO's performance in energy applications, for example in microelectronics.
DOI: 10.1039/d6ce00207b
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