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Joint effect of composition and strain on the anomalous transport properties of LaNiO3 films
Zhu, Mingwei; Komissinskiy, Philipp; Radetinac, Aldin; Wang, Zhanjie; Alff, Lambert; mwzhu@imr.ac.cn
2015
Source PublicationJOURNAL OF APPLIED PHYSICS
ISSN0021-8979
Volume117Issue:15Pages:-
AbstractIn the present work, epitaxial LaNi1-xO3 films were grown on SrTiO3, (LaAlO3)(0.3)(Sr2AlTaO6)(0.7), and LaAlO3 substrates by pulsed laser deposition from targets with different Ni stoichiometry. Effect of Ni content on the transport properties of LaNiO3 films was investigated under different strain states. It is found that under tensile strain the carriers in the LaNi0.98O3 films behave according to the Fermi-liquid theory, while under compressive strain an anomalous T-1.5 dependence of the resistivity which does not agree with the Fermi-liquid theory is observed in the films. On the other hand, only T-1.5 dependence is observed in the LaNi1.20O3 films irrespective of strain states. The results show that strain has a profound influence on the transport properties of LNO films with Ni deficiency and the effect of strain is eliminated in the LNO films with excess Ni. Combined with the XRD results, it is proposed that the change in transport behavior is closely related to the stoichiometry of the LNO films. The mechanism behind is investigated based on the intrinsic and extrinsic factors of the films under different strains. (C) 2015 AIP Publishing LLC.
description.department[zhu, mingwei ; komissinskiy, philipp ; radetinac, aldin ; alff, lambert] tech univ darmstadt, inst mat sci, d-64287 darmstadt, germany ; [zhu, mingwei ; wang, zhanjie] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
Funding OrganizationNational Natural Science of Foundation of China [51202256]; National Basic Research Program [2010CB934603]; Ministry of Science and Technology of China; Deutsche Forshungsgemeinshaft [KO 4093/1-1]; China Scholarship Council (CSC)
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74936
Collection中国科学院金属研究所
Corresponding Authormwzhu@imr.ac.cn
Recommended Citation
GB/T 7714
Zhu, Mingwei,Komissinskiy, Philipp,Radetinac, Aldin,et al. Joint effect of composition and strain on the anomalous transport properties of LaNiO3 films[J]. JOURNAL OF APPLIED PHYSICS,2015,117(15):-.
APA Zhu, Mingwei,Komissinskiy, Philipp,Radetinac, Aldin,Wang, Zhanjie,Alff, Lambert,&mwzhu@imr.ac.cn.(2015).Joint effect of composition and strain on the anomalous transport properties of LaNiO3 films.JOURNAL OF APPLIED PHYSICS,117(15),-.
MLA Zhu, Mingwei,et al."Joint effect of composition and strain on the anomalous transport properties of LaNiO3 films".JOURNAL OF APPLIED PHYSICS 117.15(2015):-.
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