The overheating of lead crystals
- 1 January 1989
- journal article
- Published by EDP Sciences in Journal de Physique
- Vol. 50 (21) , 3175-3179
- https://doi.org/10.1051/jphys:0198900500210317500
Abstract
Overheating of crystals has scarcely been reported unlike undercooling which is frequently observed. Admittedly the absence of overheating is the consequence of the crystal surface being covered by a liquid film (surface premelting) well under the bulk melting temperature. In the present letter we show that overheating is possible, and is actually observed (ΔT ∼ 3°C), when the crystals are bounded by non wettable facets ({111} facets) separated by relatively small curved regions covered by their meltKeywords
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