低温蒸着法で作製した単純分子ガラスの構造

抄録

This article reviews our structural works on simple molecular glasses prepared by a low-temperature vapor-deposition (VD) technique. Following the general interest in simple molecular glasses, the glass-forming ability and required cooling rate are described for popular simple molecules. Then the necessity of the VD method and the actual VD-type cryostat used for our X-ray diffraction experiment are presented. The neutron diffraction data of CS₂ and CCl₄ glasses and the X-ray diffraction data of CO₂ glass are demonstrated. The CO₂ glass is the simplest glass with bulk quantity whose structure was investigated by the diffraction method. The significant orientational correlation between neighboring molecules was found in all of the glasses taken up in this article.