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Controllable Self-Assembled Microstructures of La0.7Ca0.3MnO3:NiO Nanocomposite Thin Films and Their Tunable Functional Properties
Ning, Xingkun; Wang, Zhanjie; Zhang, Zhidong; wangzj@imr.ac.cn
2015
Source PublicationADVANCED MATERIALS INTERFACES
ISSN2196-7350
Volume2Issue:15Pages:-
AbstractTwo-phase self-assembled nanocomposite films have attracted increasing interest in recent years because of their potential applications in novel technological devices. However, tuning the physical properties by modulating the microstructure of self-assembled nanocomposite films is still a challenge. In this study, epitaxial La0.7Ca0.3MnO3:NiO nanocomposite films are synthesized by pulsed laser deposition. In the composite films with a NiO ratio of 50%, microstructures with nanomultilayer, nanogranular, and nanocolumnar characteristics are successfully obtained by using different growth modes. The metal-insulator transition and magnetic transition can be separately modulated by tuning the microstructures. By precisely modulating the microstructure, a significantly enhanced low-field magnetoresistance (>80% at a magnetic field of 1 T) with an unusual plateau in the temperature interval from 10 to 110 K is realized in these films, which is expected to be applicable in field-sensor devices that can be operated in a wide temperature range.
description.department[ning, xingkun ; wang, zhanjie ; zhang, zhidong] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
KeywordInsulator-metal Transition Low-field Magnetoresistance Microstructures Nanocomposites Thin Films
Funding OrganizationHundred Talents Program of the Chinese Academy of Sciences; National Natural Science of Foundation of China [51172238]; National Basic Research Program of China, Ministry of Science and Technology China [2010CB934603]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74683
Collection中国科学院金属研究所
Corresponding Authorwangzj@imr.ac.cn
Recommended Citation
GB/T 7714
Ning, Xingkun,Wang, Zhanjie,Zhang, Zhidong,et al. Controllable Self-Assembled Microstructures of La0.7Ca0.3MnO3:NiO Nanocomposite Thin Films and Their Tunable Functional Properties[J]. ADVANCED MATERIALS INTERFACES,2015,2(15):-.
APA Ning, Xingkun,Wang, Zhanjie,Zhang, Zhidong,&wangzj@imr.ac.cn.(2015).Controllable Self-Assembled Microstructures of La0.7Ca0.3MnO3:NiO Nanocomposite Thin Films and Their Tunable Functional Properties.ADVANCED MATERIALS INTERFACES,2(15),-.
MLA Ning, Xingkun,et al."Controllable Self-Assembled Microstructures of La0.7Ca0.3MnO3:NiO Nanocomposite Thin Films and Their Tunable Functional Properties".ADVANCED MATERIALS INTERFACES 2.15(2015):-.
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