Electronic structure of spiral magnetic manganite phases |
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| Authors: | S. M. Dunaevsky |
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| Affiliation: | 1.Konstantinov St. Petersburg Nuclear Physics Institute,Russian Academy of Sciences, Orlova Roshcha,Gatchina, Leningradskaya oblast,Russia |
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| Abstract: | An approach has been developed using the tight-binding and double-exchange Hamiltonian methods for calculating the E(k) spectrum of e g electrons in noncollinear (spiral) magnetic structures of R 1 − x A x MnO3 (R = La, Pr, Nd, Sm; A = Ca, Sr, Ba) manganites. A magnetic structure in the form of a flat cycloid observed in TbMnO3 below 28 K has been considered for undoped manganites (x = 0). |
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