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A Novel, Layered Phase in Ti‐Rich SrTiO3 Epitaxial Thin Films
- Lee, Sungki;
- Damodaran, Anoop R;
- Gorai, Prashun;
- Oh, Nuri;
- Moyer, Jarrett A;
- Kwon, Ji‐Hwan;
- Ferdous, Naheed;
- Shah, Amish;
- Chen, Zuhuang;
- Breckenfeld, Eric;
- Mangalam, RVK;
- Braun, Paul V;
- Schiffer, Peter;
- Shim, Moonsub;
- Zuo, Jian‐Min;
- Ertekin, Elif;
- Martin, Lane W
Published Web Location
https://doi.org/10.1002/adma.201403602Abstract
Sr2Ti7O14, a new phase, is synthesized by leveraging the innate chemical and thermo-dynamic instabilities in the SrTiO3-TiO2 system and non-equilibrium growth techniques. The chemical composition, epitaxial relationships, and orientation play roles in the formation of this novel layered phase, which, in turn, possesses unusual charge ordering, anti-ferromagnetic ordering, and low, glass-like thermal conductivity.
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