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典型双原子分子晶体的高压解离和单原子相
  • ISSN号：1000-5773
  • 期刊名称：高压物理学报
  • 时间：2013.9
  • 页码：313-324
  • 分类：O521.2[理学—高压高温物理;理学—物理] O552.6[理学—热学与物质分子运动论;理学—物理]
  • 作者机构：[1]吉林大学超硬材料国家重点实验室,吉林长春130012, [2]吉林大学材料科学与工程学院,吉林长春130012
  • 相关基金：基金项目：国家自然科学基金（11025418,91022029,51202084）
  • 相关项目：高压下凝聚态物质的新结构与新效应
作者： 李全|李全|马琰铭|马琰铭|
关键词： 高压, 金属氢, 分子晶体, 高压解离机制, 结构相变, 晶体结构, high pressure, metallic hydrogen, molecular crystal, molecular dissociation, phase transi- tion, crystal structure
中文摘要：

高压可以有效地改变材料内部原子间的相互作用（如电子轨道重叠、化学成键、电荷分布等）,进而改变材料的晶体结构、力学、热学、光学、电学等宏观物理性质. 一百多年来,实验压力极限和高压理论方法的不断突破推动着高压学科的快速发展. 在高压科学中,典型非极性双原子分子晶体的高压解离研究无疑是挑战高压极限的热点问题,也是20世纪高压物理重点解决的关键问题. 针对元素周期表中质量最轻的H2、O2和N23种典型双原子共价非极性分子晶体的高压解离行为进行讨论,具体分析了解离产生的物理机制,评述了分子解离后形成的单原子相.

英文摘要：

High pressure can effectively modify the inter-atomic interaction of materials （i. e., the electron orbital overlap, chemical bonding, and electron charge distribution of materials）, and further the crystal structures, mechanical, thermal, optical and electrical properties of materials. For more than one century, the progress in experimental generation of highest pressure and the development of advanced theoretical method have significantly moved forward the high pressure science. One of the most challenging research topics under high pressure is targeted to the investigation of pressureinduced diatomic molecular dissociation. This article reviewed the high pressure dissociation of typical diatomic molecular solids of H2,O2 and N2 and their atomic phases reported in the literature,and the dissociation mechanisms were also discussed.

同期刊论文项目
高压下凝聚态物质的新结构与新效应
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新型超硬功能材料的结构设计和可控制备
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高温高压下轻元素共价材料晶体结构、硬度及理想强度研究
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期刊信息
  • 《高压物理学报》
  • 北大核心期刊（2011版）
  • 主管单位:四川省科学技术协会
  • 主办单位:中国物理学会 高压物理专业委员会 四川省物理学会
  • 主编：邹广田
  • 地址：四川省绵阳市919信箱110分箱
  • 邮编：621999
  • 邮箱：gaoya@caep.cn
  • 电话：0816-2490042
  • 国际标准刊号：ISSN：1000-5773
  • 国内统一刊号：ISSN：51-1147/O4
  • 邮发代号:62-132
  • 获奖情况:
  • 中国物理类核心期刊,EI、CI收录期刊,中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:3617