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Electronic origin of the phase transition in ternary alloy
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10.1063/1.3562593
/content/aip/journal/apl/98/10/10.1063/1.3562593
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/10/10.1063/1.3562593

Figures

Image of FIG. 1.
FIG. 1.

supercell (left) and supercell (right). Dark large circles and light small circles represent Mo and Si atoms, respectively. Dark small circles indicate the lowest-energy positions for Al substitution. Lattice sites are marked by Arabic numerals 1–12.

Image of FIG. 2.
FIG. 2.

vs with different : (a) 0 at. %, (b) 8.3 at. %, and (c) 16.7 at. %. The black circle and red (gray) square represent and , respectively. is the equilibrium volume of . of is set to zero.

Image of FIG. 3.
FIG. 3.

DOS of (a) and (b) structure, respectively. From bottom to top, DOS of , 8.3 at. %, and 16.7 at. %, respectively. The peaks of reduced subbands are indicated by arrows for both structures. Insets are the enlargement of the DOS near the of both structures for . is set to zero, and represented by the vertical line.

Tables

Generic image for table
Table I.

The total energies with different occupation position of Al. The abbreviation “Num” means “the number of Al–Al pairs with distance shorter than ” and “Dis” means “the nearest distance of Al–Al pair,” respectively. In each case, the ground energy is set as zero.

Generic image for table
Table II.

The bulk modulus (Mbar) of and with different . The optical phonon frequencies of structure. Values in parenthesis are from Ref. 18.

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/content/aip/journal/apl/98/10/10.1063/1.3562593
2011-03-07
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Electronic origin of the phase transition in ternary alloy Mo(Si1−x,Alx)2
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/10/10.1063/1.3562593
10.1063/1.3562593
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