Open AccessSPACE GROUP DETERMINATION OF Li2O·3Nb2O5 BY CONVERGENT BEAM ELECTRON DIFFRACTION
Author(s) -
Yang Cuiying,
Feng Guo-Gang,
Yuqing Zhou,
Tang Di-Sheng
Publication year - 1984
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.33.1586
Subject(s) - electron diffraction , group (periodic table) , space (punctuation) , diffraction , plane (geometry) , optics , physics , space group , materials science , extinction (optical mineralogy) , cathode ray , electron , x ray crystallography , geometry , mathematics , quantum mechanics , computer science , operating system
Dynamic extinction lines which occur in CBED patterns have been used to determine the presence of twofold screw axis and glide plane in Li2O·3Nb2O5. The space group is found to be P21/a.