自触发无序材料的玻璃化转变研究  

Mechanical Spectrum Investigation of Glass Transition in 2-formyl-2-lipin-series

作　　者：帕尔哈提.苏比 张晋鲁[1] 

机构地区：[1]伊犁师范学院凝聚态物理与材料设计研究所,新疆伊宁835000

出　　处：《新疆师范大学学报（自然科学版）》2008年第4期16-18,23,共4页Journal of Xinjiang Normal University(Natural Sciences Edition)

基　　金：国家自然科学基金(10274028;10774064);新疆自治区教育厅重点基金(XJUEDU2007137);新疆自治区科技厅重点基金(200721104);伊犁师范学院重点基金(2006.1-2008.122007.1-2009.12)资助

摘　　要：文章用最近发明的液态低频力学谱方法对典型自触发无序材料(二甲酸二脂系列样品)进行测量,验证了该方法的可信性与有效性,并且表明它能够提供物质变化的丰富信息。研究结果表明,随着分子内部自由度的增加、二甲酸二脂系列的玻璃化转变温度表现出先减小后增加、但脆性是先增加后减小的有趣且难以理解的反常趋势。The glass with self-- generated disorder （ 2 -- formyl-- 2-- lipin-- series samples ） were measured by the liquid low＇frequency mechanical spectrum （LLFMS） method recently invented, that ensures the its reliability and availability to investigate the physical variations of soft--condensed matters. The measured results also indicate that, with the increase of the internal freedom degrees of the molecules, the glass transition temperature of the 2--formyl--2--lipin--series shows an anomalous tendency first decreasing then increasing, but the fragility changes in a contrary way, which is interesting and quite difficultly understood.

关 键 词：自触发无序 二甲酸二脂系 玻璃化转变 

分 类 号：O482.1[理学—固体物理]