无公度调制结构的电子显微学研究
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摘要
<正>如果材料中除了三维基本晶格的周期外还存在新的周期,则这种结构被称为调制结构。如果新的周期与基本结构相应方向的周期之比为有理数,则称之为公度调制结构,或超结构;如果之比为无理数则称之为无公度调制结构。公度调制结构具有三维周期性,可以按照常用的
引文
[1]De Wolff,P.M.,Pseudo-Symmetry of Modulated Crystal-Structures.Acta Cryst.A,1974.30,777-785.
[2]De Wolff,P.M.,Symmetry Operations for Displacively Modulated Structures.Acta Cryst.A,1977.33,493-497.
[3]De Wolff,P.M.,T.Janssen,and A.Janner,The superspace groups for incommensurate crystal structures with a one-dimensional modulation.Acta Crystallographica Section A,1981,37,625-636.
[4]Janner,A.,T.Janssen,and P.M.de Wolff,Determination of the Bravais class for a number of incommensurate crystals.Acta Crystallographica,Section A(Foundations of Crystallography),1983.A39,671-678.
[5]Janner,A.,T.Janssen,and P.M.de Wolff,Bravais classes for incommensurate crystal phases.Acta Crystallographica,Section A(Foundations of Crystallography),1983.A39,658-666.
[6]Janssen,T.,et al.,incommensurate and commensurate modulated structure.International table for crystallography,2006,907-955.
[7]Li,X.,et al.,A study of one-dimensional incommensurate modulated structure determination in high-resolution transmission electron microscopy.Acta Crystallographica Section A,2014,70,563-571.
[8]Ge,B.,et al.,Determination of the incommensurate modulated structure of Bi2Sr1.6La0.4Cu O6+δby aberration-corrected transmission electron microscopy.Ultramicroscopy,2015,159,67-72.
[9]Ge,B.,et al.,Study of Point Spread in the Aberration-Corrected Transmission Electron Microscopy.Microscopy and Microanalysis,2014,20,1447-1452.
[2]De Wolff,P.M.,Symmetry Operations for Displacively Modulated Structures.Acta Cryst.A,1977.33,493-497.
[3]De Wolff,P.M.,T.Janssen,and A.Janner,The superspace groups for incommensurate crystal structures with a one-dimensional modulation.Acta Crystallographica Section A,1981,37,625-636.
[4]Janner,A.,T.Janssen,and P.M.de Wolff,Determination of the Bravais class for a number of incommensurate crystals.Acta Crystallographica,Section A(Foundations of Crystallography),1983.A39,671-678.
[5]Janner,A.,T.Janssen,and P.M.de Wolff,Bravais classes for incommensurate crystal phases.Acta Crystallographica,Section A(Foundations of Crystallography),1983.A39,658-666.
[6]Janssen,T.,et al.,incommensurate and commensurate modulated structure.International table for crystallography,2006,907-955.
[7]Li,X.,et al.,A study of one-dimensional incommensurate modulated structure determination in high-resolution transmission electron microscopy.Acta Crystallographica Section A,2014,70,563-571.
[8]Ge,B.,et al.,Determination of the incommensurate modulated structure of Bi2Sr1.6La0.4Cu O6+δby aberration-corrected transmission electron microscopy.Ultramicroscopy,2015,159,67-72.
[9]Ge,B.,et al.,Study of Point Spread in the Aberration-Corrected Transmission Electron Microscopy.Microscopy and Microanalysis,2014,20,1447-1452.