Crystal structure of the Al8Cr5-type intermetallic Al7.85Cr5.16
Author:
Geng Xu,
Wen Bin,
Fan ChangzengORCID
Abstract
An aluminium-deficient Al8Cr5-type intermetallic with formula Al7.85Cr5.16 (octaaluminium pentachromium) was uncovered when high-pressure sintering of a mixture with composition Al11Cr4 was carried out. Structure analysis reveals that there are three co-occupied positions with refined occupancy factors for Al atoms being 0.958, 0.772 and 1/2. The present phase is confirmed to be isotypic with the previously reported rhombohedral Al8Cr5 ordered phase [Bradley & Lu (1937). Z. Kristallogr.
96, 20–37] and structurally closely related to the disordered phases of rhombohedral Al16Cr9.5 and cubic Al8Cr5.
Funder
Research Foundation of Education Bureau of Hebei Province
The National Natural Science Foundation of China
Publisher
International Union of Crystallography (IUCr)
Subject
Rehabilitation,Physical Therapy, Sports Therapy and Rehabilitation,General Medicine
Reference12 articles.
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3. Zur struktur der hochtemperaturphase Cr5Al8(h)
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