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Enhanced electrical conductivity of Au-LaNiO3 nanocomposite thin films by chemical solution deposition
Wang, H. L.; Ning, X. K.; Wang, Z. J.; wangzj@imr.ac.cn
2015
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume5Issue:94Pages:76783-76787
AbstractAu-LaNiO3 (Au-LNO) nanocomposite films with 3.84 at% Au were firstly fabricated by one-step chemical solution deposition (CSD), and their electrical properties were investigated. Au nanoparticles with average size of approximately 10 nm were distributed uniformly in the LNO matrix. The nanocomposite films exhibit much lower room temperature resistivity (313 mU cm) than the LNO films (1221 mU cm). The role of Au nanoparticles in the composite films can be considered from two aspects: firstly, the uniform distribution of Au nanoparticles provides a pathway with less scattering for the conduction of electrons. Secondly, Au nanoparticles can serve as nuclei seeds for the perovskite LNO phase to improve its crystalline quality. Transport property measurement reveals that the Au-LNO nanocomposite films exhibit a lower metal-insulator transition (MIT) temperature and suppression of weak localization due to the lower concentration of oxygen vacancy. The high-quality Au-LNO nanocomposite films with the excellent electrical conductivity are expected to be applicable as electrodes for ferroelectric and multiferroic films.
description.department[wang, h. l. ; ning, x. k. ; wang, z. j.] chinese acad sci, imr, shenyang natl lab mat sci, shenyang 110016, peoples r china
Funding OrganizationHundred Talents Program of Chinese Academy of Sciences; National Natural Science of foundation of China [51172238]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74820
Collection中国科学院金属研究所
Corresponding Authorwangzj@imr.ac.cn
Recommended Citation
GB/T 7714
Wang, H. L.,Ning, X. K.,Wang, Z. J.,et al. Enhanced electrical conductivity of Au-LaNiO3 nanocomposite thin films by chemical solution deposition[J]. RSC ADVANCES,2015,5(94):76783-76787.
APA Wang, H. L.,Ning, X. K.,Wang, Z. J.,&wangzj@imr.ac.cn.(2015).Enhanced electrical conductivity of Au-LaNiO3 nanocomposite thin films by chemical solution deposition.RSC ADVANCES,5(94),76783-76787.
MLA Wang, H. L.,et al."Enhanced electrical conductivity of Au-LaNiO3 nanocomposite thin films by chemical solution deposition".RSC ADVANCES 5.94(2015):76783-76787.
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