CATION ENVIRONMENTS AND THE MIXED ALKALI EFFECT IN SILICATE-GLASSES - AN EXAFS INVESTIGATION
GREAVES, GN; CATLOW, CRA; VESSAL, B; CHARNOCK, J; HENDERSON, CMB; ZHU, R; QIAO, S; WANG, Y; GURMAN, SJ; HOUDEWALTER, S
刊名INSTITUTE OF PHYSICS CONFERENCE SERIES
1990
期号111页码:411-418
学科分类Physics
通讯作者UNIV KEELE, DEPT CHEM, KEELE ST5 5BG, STAFFS, ENGLAND ; UNIV MANCHESTER, DEPT GEOL, MANCHESTER M13 9PL, LANCS, ENGLAND ; INST HIGH ENERGY PHYS, BEIJING, PEOPLES R CHINA ; INST NUCL RES, SHANGHAI, PEOPLES R CHINA ; UNIV LEICESTER, DEPT PHYS, LEICESTER LE1 7RH, ENGLAND ; UNIV ROCHESTER, DEPT OPT, ROCHESTER, NY 14627 USA
文章类型Article
英文摘要EXAFS measurements have been used to obtain the environments of salient cations in a variety of binary alkali silicate glasses. Compared to SiO2 a lengthening of the mean tetrahedral Si-O bond length is observed. K-O and Cs-O bond lengths and coordination numbers indicate these alkalis and their nearest neighbour oxygens occupy quasi-octahedral sites in single alkali glasses. Small differences are observed when both alkalis are present, indicating intimate mixing. This is predicted by the Modified Random Network (MRN) which is used to provide a unified picture for the Mixed Alkali Effect based on structural constraint.
类目[WOS]Physics, Multidisciplinary
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:A1990EZ01000046
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237372
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
作者单位中国科学院高能物理研究所
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GREAVES, GN,CATLOW, CRA,VESSAL, B,et al. CATION ENVIRONMENTS AND THE MIXED ALKALI EFFECT IN SILICATE-GLASSES - AN EXAFS INVESTIGATION[J]. INSTITUTE OF PHYSICS CONFERENCE SERIES,1990(111):411-418.
APA GREAVES, GN.,CATLOW, CRA.,VESSAL, B.,CHARNOCK, J.,HENDERSON, CMB.,...&HOUDEWALTER, S.(1990).CATION ENVIRONMENTS AND THE MIXED ALKALI EFFECT IN SILICATE-GLASSES - AN EXAFS INVESTIGATION.INSTITUTE OF PHYSICS CONFERENCE SERIES(111),411-418.
MLA GREAVES, GN,et al."CATION ENVIRONMENTS AND THE MIXED ALKALI EFFECT IN SILICATE-GLASSES - AN EXAFS INVESTIGATION".INSTITUTE OF PHYSICS CONFERENCE SERIES .111(1990):411-418.
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