Chakhalian, J., Rondinelli, J. M., Liu, Jian ORCID: 0000-0001-7962-2547, Gray, B. A., Kareev, M., Moon, E. J., Prasai, N., Cohn, J. L., Varela, M., Tung, I. C., Bedzyk, M. J., Altendorf, S. G., Strigari, F., Dabrowski, B., Tjeng, L. H., Ryan, P. J. and Freeland, J. W. (2011). Asymmetric Orbital-Lattice Interactions in Ultrathin Correlated Oxide Films. Phys. Rev. Lett., 107 (11). COLLEGE PK: AMER PHYSICAL SOC. ISSN 0031-9007

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Abstract

Using resonant x-ray spectroscopies combined with density functional calculations, we find an asymmetric biaxial strain-induced d-orbital response in ultrathin films of the correlated metal LaNiO3 which are not accessible in the bulk. The sign of the misfit strain governs the stability of an octahedral breathing distortion, which, in turn, produces an emergent charge-ordered ground state with an altered ligand-hole density and bond covalency. Control of this new mechanism opens a pathway to rational orbital engineering, providing a platform for artificially designed Mott materials.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Chakhalian, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rondinelli, J. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Liu, JianUNSPECIFIEDorcid.org/0000-0001-7962-2547UNSPECIFIED
Gray, B. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kareev, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Moon, E. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Prasai, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cohn, J. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Varela, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tung, I. C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bedzyk, M. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Altendorf, S. G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Strigari, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dabrowski, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tjeng, L. H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ryan, P. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Freeland, J. W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-489176
DOI: 10.1103/PhysRevLett.107.116805
Journal or Publication Title: Phys. Rev. Lett.
Volume: 107
Number: 11
Date: 2011
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 0031-9007
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
METAL-INSULATOR-TRANSITION; RNIO3 R; PHASE; PEROVSKITES; ELECTRONICS; INTERFACE; CHARGE; PR; NDMultiple languages
Physics, MultidisciplinaryMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/48917

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