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Unravelling uniaxia...
Unravelling uniaxial strain effects on electronic correlations, hybridization and bonding in transition metal oxides
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- Yong, Zhihua (författare)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,National University of Singapore,A*Star Institute of Materials Research and Engineering (IMRE)
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- Linghu, Jiajun (författare)
- Chang'an University,National University of Singapore
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- Xi, Shibo (författare)
- A*STAR Institute of Chemical & Engineering Sciences (ICES),National University of Singapore
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- Yin, Xinmao (författare)
- National University of Singapore
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- Leek, Meng Lee (författare)
- Nanyang Technological University
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- Shen, Lei (författare)
- National University of Singapore
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- Timm, Rainer (författare)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Wee, Andrew T.S. (författare)
- National University of Singapore
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- Feng, Yuan Ping (författare)
- National University of Singapore
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- Pan, Jisheng (författare)
- National University of Singapore,A*Star Institute of Materials Research and Engineering (IMRE)
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(creator_code:org_t)
- Elsevier BV, 2019
- 2019
- Engelska 9 s.
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Ingår i: Acta Materialia. - : Elsevier BV. - 1359-6454. ; 164, s. 618-626
- Relaterad länk:
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http://dx.doi.org/10...
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https://dr.ntu.edu.s...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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 TiO2 lattice. The evolution of this interplay in pseudo-homoepitaxial Ti1-xSnxO2 films is measured using a combination of X-ray absorption near edge spectroscopy at the O K and Ti L3,2-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 3dN transition metal oxides.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- (EXAFS, XANES)
- DFT
- Extended X-ray absorption fine structure
- Lattice strains
- Semiconductors
- Thin film
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Yong, Zhihua
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Linghu, Jiajun
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Xi, Shibo
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Yin, Xinmao
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Leek, Meng Lee
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Shen, Lei
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visa fler...
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Timm, Rainer
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Wee, Andrew T.S.
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Feng, Yuan Ping
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Pan, Jisheng
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visa färre...
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