Semimetal and Topological Insulator in Perovskite Iridates

The two-dimensional layered perovskite Sr2IrO4 was proposed to be a spin-orbit Mott insulator, where the effect of Hubbard interaction is amplified on a narrow J_{eff} = 1/2 band due to strong spin-orbit coupling. On the other hand, the three-dimensional orthorhombic perovskite (Pbnm) SrIrO3 remains...

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Veröffentlicht in:	arXiv.org 2012-03
Hauptverfasser:	Carter, Jean-Michel, Shankar, V Vijay, M Ahsan Zeb, Hae-Young, Kee
Format:	Artikel
Sprache:	eng
Schlagworte:	Construction materials Crystal structure Perovskites Physics - Materials Science Physics - Strongly Correlated Electrons Spin-orbit interactions Stability Topological insulators
Online-Zugang:	Volltext
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