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Temperature dependence of the structural parameters of the non-oxide perovskite superconductor MgCNi3

Abstract:

We report the structural parameters of superconducting MgCxNi3 (x=0.96, Tc=7.3 K) as a function of temperature, from 2 to 295 K, determined by neutron powder diffraction profile refinement. The compound has the perovskite structure over the whole temperature range, with symmetry Pm3̄m and a=3.81221(5) Å at 295 K: no structural or long range magnetic ordering transitions were observed. The lattice parameter a and the Debye-Waller factors for the individual atoms decrease smoothly with decreasi...

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Publication status:
Published

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Authors


Hayward, M More by this author
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Journal:
PHYSICA C
Volume:
363
Issue:
4
Pages:
215-218
Publication date:
2001-12-01
DOI:
ISSN:
0921-4534
URN:
uuid:6516e2df-59a1-4c62-a5e9-7b987c1f2333
Source identifiers:
125337
Local pid:
pubs:125337

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