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The complex superstructure in Mg1-xAlxB2 at x approximate to 0.5

Abstract:

Electron diffraction and high resolution microscopy have been performed on Mg1-xAlxB2 with x≅0.5. This composition displays a superstructure with a repeat period of exactly 2c along the c-axis and about 10 nm in the a-b plane. The superstructure results in ring-shaped superreflections in the diffraction pattern. Irradiation by a strong electron beam results in a loss of the superstructure and a decrease of about 1% in the c lattice parameter. In situ heating and cooling on the other hand show...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Role:
Author
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Journal:
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
Volume:
366
Issue:
4
Pages:
221-228
Publication date:
2002-02-01
DOI:
ISSN:
0921-4534
URN:
uuid:1500973a-cbf6-46f2-a847-2d400daa0822
Source identifiers:
50459
Local pid:
pubs:50459
Language:
English
Keywords:

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