Abstract
Abstract A close relationship between the structural subunits of the known structure of Al60Mn11Ni4 and the unknown C31-Al60Mn11Ni4 has been found from their high-resolution electron microscopy (HREM) images. A space group Pmmn was derived from convergent-beam electron diffraction patterns, and a layer structural model of C31-Al60Mn11Ni4 was constructed on the basis of the structure of Al60Mn11Ni4. The simulated HREM images and electron diffraction patterns agree with the experimental results.
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