Nakajima, Y.; Voges, C.; Nagao, T.; Hasegawa, S.; Klos, G.; Pfnür, Herbert
(College Park, MD : American Physical Society, 1997)
The Si(111)-√3×√3-Au phase, which coexists with three-dimensional islands of excess Au at coverages above 1 monolayer and at temperatures above 700 K, is shown to undergo a temperature driven order-disorder phase transition ...