Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.actamat.2018.11.017
Title: Unravelling uniaxial strain effects on electronic correlations, hybridization and bonding in transition metal oxides
Authors: YONG ZHIHUA 
Linghu, Jiajun
Shibo Xi
Yin, Xinmao 
Leek, Meng Lee
Shen, L 
Timm, R.
Wee, A.T.S.
Feng Y.P. 
Pan Jisheng 
Issue Date: 2019
Publisher: Elsevier
Citation: YONG ZHIHUA, Linghu, Jiajun, Shibo Xi, Yin, Xinmao, Leek, Meng Lee, Shen, L, Timm, R., Wee, A.T.S., Feng Y.P., Pan Jisheng (2019). Unravelling uniaxial strain effects on electronic correlations, hybridization and bonding in transition metal oxides. Acta Materialia  164 (1-Feb) : 618-626. ScholarBank@NUS Repository. https://doi.org/10.1016/j.actamat.2018.11.017
Abstract: The interplay among spin, lattice, charge and orbit is of central importance for several rich and fascinating properties of oxides, and is the subject of intense research at present. Here, we present an approach to manipulate this interplay by Sn doping to effectively apply uniaxial strain on the TiO 2 lattice. The evolution of this interplay in pseudo-homoepitaxial Ti 1-x Sn x O 2 films is measured using a combination of X-ray absorption near edge spectroscopy at the O K and Ti L 3,2 -edges. Supported by various theoretical calculations, we find that the multiplet-type electronic correlations, long-range bonding and hybridization in the system can be controlled by independently modifying uniaxial strain, thereby allowing us to establish the correlations among these effects, doping concentration, and strain. This significantly widens the phase space for experimental exploration of predictive models and leads to new possibilities for manipulation over materials’ functional properties. The methodology presented here can be applied in general to study the nature of the multiplet-type electronic correlations and bonding properties in octahedral-coordinated 3d N transition metal oxides. © 2018 Acta Materialia Inc.
Source Title: Acta Materialia 
URI: http://scholarbank.nus.edu.sg/handle/10635/152662
ISSN: 13596454
DOI: 10.1016/j.actamat.2018.11.017
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