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Statistical model structure of Laves phase C15 system—the superconducting alloy
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10.1063/1.3064918
/content/aip/journal/ltp/35/1/10.1063/1.3064918
http://aip.metastore.ingenta.com/content/aip/journal/ltp/35/1/10.1063/1.3064918

Figures

Image of FIG. 1.
FIG. 1.

(left) Perspective view of the atomic distribution in the structural element: Mg (●), Cu (○), crystal axis (dash dot), Cu tetrahedron (short dash), as described in Ref. 18; (center) Basic structure unit cell of the type C15 crystal. Mg (●), Cu (○); (right) Perspective view of the atomic distribution of a crystal (as per Ref. 12): Ce (●), Ru (○) forming the vertex-sharing tetrahedra (dot), crystal axis (dash dot).

Image of FIG. 2.
FIG. 2.

The lattice constant versus : calculations (solid); experimental data (●), values of end members from literature20 (◻).

Image of FIG. 3.
FIG. 3.

Comparison of the random probabilities ’s (panel a) of the three configurations , , and of their sum versus with ’s (panel b), those obtained from experimental data.

Image of FIG. 4.
FIG. 4.

average interatomic distances versus : calculations and experimental data of Ru:Ru (▿), Ru:Ce (▴); Ru:La (curve).17 ◻ are values of end members from Ref. 20. Vegard line (solid thin), virtual crystal approximation (VCA) curve (dashed).

Tables

Generic image for table
Table I.

Crystal lattice parameter and nearest-neighbor (NN) and next-nearest-neighbor (NNN) coordination numbers and interatomic distances for and .19,20

Generic image for table
Table II.

Lattice parameter and average interatomic Ru:Ru and Ru:Ce distances versus measured by Ru -edge EXAFS. The average uncertainty for the Ru–Ru distances is and for Ru–Ce is .

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/content/aip/journal/ltp/35/1/10.1063/1.3064918
2009-01-01
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Statistical model structure of A1−xZxB2 Laves phase C15 system—the superconducting alloy Ce1−xLaxRu2
http://aip.metastore.ingenta.com/content/aip/journal/ltp/35/1/10.1063/1.3064918
10.1063/1.3064918
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