Electron anions and the glass transition temperature

Johnson Lewis E.; Sushko Peter V.; Tomota YudaiHosono Hideo

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Electron anions and the glass transition temperature

机译：Electron anions and the glass transition temperature

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Properties of glasses are typically controlled by judicious selection of the glass-forming and glass-modifying constituents. Through an experimental and computational study of the crystalline, molten, and amorphous Ca12Al14O32(2+) center dot (e(-))(2), we demonstrate that electron anions in this system behave as glass modifiers that strongly affect solidification dynamics, the glass transition temperature, and spectroscopic properties of the resultant amorphous material. The concentration of such electron anions is a consequential control parameter: It invokes materials evolution pathways and properties not available in conventional glasses, which opens a unique avenue in rational materials design.

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《Proceedings of the National Academy of Sciences of the United States of America.》 |2016年第36期|10007-10012|共6页
作者
Johnson Lewis E.; Sushko Peter V.; Tomota YudaiHosono Hideo;
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作者单位

Pacific Northwest Natl Lab, Phys Sci Div, Phys & Computat Sci Directorate, Richland, WA 99354 USA;

Tokyo Inst Technol, Mat Res Ctr Element Strategy, Midori Ku, Yokohama, Kanagawa 2268503, Japan;

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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类自然科学总论;
关键词
amorphous materials; glass transition; electrides; molecular dynamics; density functional theory;

Electron anions and the glass transition temperature

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