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Type: Artigo de periódico
Title: Phase Transition In Sbcl5 - Graphite Studied By Spin Resonance Experiments
Author: Rolla S.
Walmsley L.
Suematsu H.
Torriani I.
Rettori C.
Yosida Y.
Abstract: Conduction Carrier Spin Resonance (CCSR) experiments in stage 3 and 4 acceptor SbCl5 - Graphite Intercalated Compounds (GICs) reveal an almost stage independent phase transition at Tc {triple tilde} 225K. The CCSR linewidth shows an anomalous broadening below Tc, which is observable only when the sample is kept in a region close to Tc (190-225K); the broadening was not observed for rapid cooling. This broadening has a much faster kinetics for heating than for cooling rum. These thermal hysteresis and kinetics are quite similar to those found in AlCl3-GICs. We attribute this phase transition to the quasi-2D "solid liquid" transformation experienced by the minority molecules of SbCl3 present among the intercalated species in SbCl5-GICs, proposed by Homma and Clarke. For stage 2 data does not show evidences of this phase transition. © 1986.
Citation: Solid State Communications. , v. 58, n. 6, p. 333 - 336, 1986.
Rights: fechado
Identifier DOI: 10.1016/0038-1098(86)90799-4
Date Issue: 1986
Appears in Collections:Unicamp - Artigos e Outros Documentos

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