Solid-state NMR reveals that oxygen tri-clusters make glass highly crackresistant

作     者：Zhiwu Yu Zhiwu Yu

作者机构：High Magnetic Field LaboratoryCAS Key Laboratory of High Magnetic Field and Ion Beam Physical BiologyHefei Institutes of Physical ScienceChinese Academy of SciencesHefei230031China 

出 版 物：《Magnetic Resonance Letters》 (磁共振快报（英文）)

年 卷 期：2024年第4卷第2期

页      面：77-78页

学科分类：0809[工学-电子科学与技术（可授工学、理学学位）] 07[理学] 070205[理学-凝聚态物理] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 0702[理学-物理学] 

基　　金：supported by the National Natural Science Foundation of China(42177444 and U1932218) 

主　　题：crack resistance glass 

摘      要：In a recent paper,advanced solid-state nuclear magnetic resonance(SSNMR)technology was employed to reveal the underlying mechanism contributing to the high hardness and exceptional resistance to fragmentation observed in certain special glasses[1].This study utilized SSNMR to analyze the atomic-scale internal structure of glass,enabling the quantification of the fraction of three-coordinated oxygen([^((3))O]).The research findings demonstrate a quantitative relationship between[^((3))O]and the resistance of glass to crack initiation.