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Type: 
Journal
Description: 
Low-melting-point metal nanoparticles show remarkable undercoolings: exceptional values ΔT∕Tm≅0.5 were previously reported for confined Ga droplets in the 100–1000nm range. This was considered a characteristic limiting temperature for Ga. We here give evidence that Ga nanoparticles in the 3–15nm range can be undercooled at least down to 90K (ΔT∕Tm⩾0.7) without crystallization. Since computations and experiments on clusters with
Publisher: 
AIP
Publication date: 
17 Jul 2006
Authors: 

GB Parravicini, A Stella, P Ghigna, G Spinolo, A Migliori, F d’Acapito, R Kofman

Biblio References: 
Volume: 89 Issue: 3 Pages: 033123
Origin: 
Applied physics letters