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Jahn–Teller effect and magnetic property in anisotropic triangular compound Na x MnO2
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10.1063/1.3545807
/content/aip/journal/jap/109/7/10.1063/1.3545807
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/7/10.1063/1.3545807

Figures

Image of FIG. 1.
FIG. 1.

(a) Distorted structure of MnO6 complex; (b) Mn cluster consists of four internal sites denoted from 1 to 4 and the environment consists of ten external sites denoted from 5 to 14 in a two-dimensional triangular lattice.

Image of FIG. 2.
FIG. 2.

(Color online) The dependence of cos θ on hole doping concentration n in Na x MnO2 triangle lattice for different Hund’s coupling with t′ = 0.25 eV, J 1 = 65 K, and J 2 = 29 K.

Tables

Generic image for table
Table I.

Bond distances (Å) of distorted MnO6 octahedron with C2/ m structure. a mn denotes distances between atoms m and n shown in Fig. 1(a). Experimental data are deduced from neutron powder diffraction experiment (Ref. 4). δ is the error of theoretical and experimental data.

Generic image for table
Table II.

Averaged spin components of the central Mn cluster in undoped NaMnO2 with S = 2.

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/content/aip/journal/jap/109/7/10.1063/1.3545807
2011-03-24
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Jahn–Teller effect and magnetic property in anisotropic triangular compound NaxMnO2
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/7/10.1063/1.3545807
10.1063/1.3545807
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