Strong Orbital Polarization in a Cobaltate-Titanate Oxide Heterostructure

Through a combination of experimental measurements and theoretical modeling, we describe a strongly orbital-polarized insulating ground state in an (LaTiO3)2/(LaCoO3)2 oxide heterostructure. X-ray absorption spectra and ab initio calculations show that an electron is transferred from the titanate to...

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Veröffentlicht in:	Physical Review Letters 2019-09, Vol.123 (11), p.1, Article 117201
Hauptverfasser:	Lee, Sangjae, Lee, Alex Taekyung, Georgescu, Alexandru B., Fabbris, Gilberto, Han, Myung-Geun, Zhu, Yimei, Freeland, John W., Disa, Ankit S., Jia, Yichen, Dean, Mark P. M., Walker, Frederick J., Ismail-Beigi, Sohrab, Ahn, Charles H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption spectra Charge transfer CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Dichroism Heterostructures INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY Polarization Superlattices X ray absorption
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