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Structural-induced antiferromagnetism in Mn-based full Heusler alloys: The case of
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10.1063/1.3565246
/content/aip/journal/apl/98/10/10.1063/1.3565246
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/10/10.1063/1.3565246

Figures

Image of FIG. 1.
FIG. 1.

Al and Mn atoms in form a cubic lattice. We show the perfect structure and the two types of the B2 structure which we considered. Arrows indicate the calculated orientation of the Mn spin magnetic moments. For the experimental lattice constant of 5.812 Å,15 the Mn–Mn nearest-neighbors distance in the B2 structure is while in the structure it is .

Image of FIG. 2.
FIG. 2.

Calculated atom-resolved DOS for the three lattice structures under study. Positive values of the DOS correspond to the majority- and negative to the minority-spin electrons.

Image of FIG. 3.
FIG. 3.

Calculated Mn–Mn exchange constants as a function of the distance.

Tables

Generic image for table
Table I.

Calculated spin magnetic moments in for the alloy and the calculated Curie and Néel (B2) temperatures within the random-phase-approximation. Experimental temperatures (last column) are from Ref. 15.

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/content/aip/journal/apl/98/10/10.1063/1.3565246
2011-03-11
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Structural-induced antiferromagnetism in Mn-based full Heusler alloys: The case of Ni2MnAl
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/10/10.1063/1.3565246
10.1063/1.3565246
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