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Showing papers by "Marco Ronchetti published in 1987"


Journal ArticleDOI
TL;DR: The quasicrystal as discussed by the authors is an intermediate phase between the glass and the crystal phase, characterized by long-range orientational order and quasiperiodic translational order.
Abstract: Recently the problem of the glass transition has been further complicated by the discovery of a phase which forms under conditions similar to those required by the formation of metallic glasses. This new phase (the “quasicrystal”) seems to be structurally intermediate between the glass and the crystal phase, being characterized by long-range orientational order and quasiperiodic translational order. The aim of this paper is to provide an introductory overview of this new field of quasicrystals. Experimental results and theoretical models are briefly presented.

77 citations


Journal ArticleDOI
TL;DR: In this paper, it was shown that the relaxation of O2+ in collisions with Kr occurs via two competing mechanisms whose roles are related to the angular dependence of the attractive part of the atom-ion interaction.

16 citations