Novel vertically aligned nanocomposite of Bi2WO6-Co3O4 with room-temperature multiferroic and anisotropic optical response

被引：13

作者：

Li, Leigang ^{[1
]}

Misra, Shikhar ^{[1
]}

Gao, Xingyao ^{[1
]}

Liu, Juncheng ^{[1
]}

Wang, Han ^{[1
]}

Huang, Jijie ^{[1
]}

Zhang, Bruce ^{[2
]}

Lu, Ping ^{[3
]}

Wang, Haiyan ^{[1
,2
]}

机构：

[1] Purdue Univ, Sch Mat Engn, W Lafayette, IN 47907 USA

[2] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA

[3] Sandia Natl Labs, Albuquerque, NM 87185 USA

来源：

NANO RESEARCH | 2021年 / 14卷 / 12期

基金：

美国国家科学基金会;

关键词：

vertically aligned nanocomposite (VAN); multiferroics; Aurivillius oxides; layered oxides; Co3O4; Bi2WO6; THIN-FILMS; BIFEO3; DOMAINS; MATRIX; PHASE; CO;

D O I：

10.1007/s12274-021-3429-5

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A new vertically aligned nanocomposite (VAN) structure based on two-dimensional (2D) layered oxides has been designed and self-assembled on both LaAlO3 (001) and SrTiO3 (001) substrates. The new VAN structure consists of epitaxially grown Co3O4 nanopillars embedded in the Bi2WO6 matrix with a unique 2D layered structure, as evidenced by the microstructural analysis. Physical property measurements show that the new Bi2WO6-Co3O4 VAN structure exhibits strong ferromagnetic and piezoelectric response at room temperature as well as anisotropic permittivity response. This work demonstrates a new approach in processing multifunctional VANs structure based on the layered oxide systems towards future nonlinear optics, ferromagnets, and multiferroics.

引用

页码：4789 / 4794

页数：6

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[1] Novel vertically aligned nanocomposite of Bi2WO6-Co3O4 with room-temperature multiferroic and anisotropic optical response
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[2] Multiferroic vertically aligned nanocomposite with CoFe2O4 nanocones embedded in layered Bi2WO6 matrix
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