Guo, H., Li, Z. W., Zhao, L., Hu, Z., Chang, C. F., Kuo, C. -Y., Schmidt, W., Piovano, A., Pi, T. W., Sobolev, O., Khomskii, D. I., Tjeng, L. H. and Komarek, A. C. (2018). Antiferromagnetic correlations in the metallic strongly correlated transition metal oxide LaNiO3. Nat. Commun., 9. LONDON: NATURE PUBLISHING GROUP. ISSN 2041-1723

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Abstract

The material class of rare earth nickelates with high Ni3+ oxidation state is generating continued interest due to the occurrence of a metal-insulator transition with charge order and the appearance of non-collinear magnetic phases within this insulating regime. The recent theoretical prediction for superconductivity in LaNiO3 thin films has also triggered intensive research efforts. LaNiO3 seems to be the only rare earth nickelate that stays metallic and paramagnetic down to lowest temperatures. So far, centimeter-sized impurity-free single crystal growth has not been reported for the rare earth nickelates material class since elevated oxygen pressures are required for their synthesis. Here, we report on the successful growth of centimeter-sized LaNiO3 single crystals by the floating zone technique at oxygen pressures of up to 150 bar. Our crystals are essentially free from Ni2+ impurities and exhibit metallic properties together with an unexpected but clear antiferromagnetic transition.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Guo, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Li, Z. W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zhao, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hu, Z.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Chang, C. F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kuo, C. -Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schmidt, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Piovano, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pi, T. W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sobolev, O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Khomskii, D. I.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tjeng, L. H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Komarek, A. C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-199169
DOI: 10.1038/s41467-017-02524-x
Journal or Publication Title: Nat. Commun.
Volume: 9
Date: 2018
Publisher: NATURE PUBLISHING GROUP
Place of Publication: LONDON
ISSN: 2041-1723
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
RNIO3 R; SPINMultiple languages
Multidisciplinary SciencesMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/19916

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