Supported by the National Natural Science Foundation of China (50671073)
The valence charge density distribution for the icosahedral AlPdMn (i-AlPdMn) quasicrystal was obtained with the structure factors of the nine strongest symmetry inequivalent reflections, which were refined by using...
Supported by the National Natural Science Foundation of China (59871034)
The atomic structure of the perfect AlPdMn icosahedral phase has been studied on a single crystal specimen by quantitative convergent beam electron diffraction (QCBED) technique in combination with describing the shap...
Supported by the Sino-France Cooperative Project under Grant No.4B1/002;partially by the National Natural Science Foundation of China under Grant No.19974031;he Research Fund for the Doctoral Program of Higher Education of China.
Loop-shaped contrasts were observed in the as-grown Al70.3Pd2o.6Mn9.1 icosahedral quasicrystal(IQC)by means of x-ray diffraction topography(Lang's method).One possible direction of the apparent Burger vectors of loops...