Control of Lateral Composition Distribution in Graded Films of Soluble Solid Systems A1-xBxby Partitioned Dual-Beam Pulsed Laser Deposition

被引：3

作者：

Sakai, Joe ^{[1
]}

Caicedo Roque, Jose Manuel ^{[1
]}

Vales-Castro, Pablo ^{[1
]}

Padilla-Pantoja, Jessica ^{[1
]}

Sauthier, Guillaume ^{[1
]}

Catalan, Gustau ^{[1
,2
]}

Santiso, Jose ^{[1
]}

机构：

[1] Inst Catala Nanociencia & Nanotecnol ICN2, ICN2 Bldg,UAB Campus, Bellaterra 08193, Catalonia, Spain

[2] Inst Catalana Recerca & Estudis Avancats ICREA, Barcelona 08010, Catalonia, Spain

来源：

COATINGS | 2020年 / 10卷 / 06期

关键词：

pulsed laser deposition; compositionally-graded film; morphotropic phase boundary; Monte Carlo method; piezoelectric material; perovskite type manganite; THIN-FILMS; STRAIN; TRANSITION; MECHANISM; ABLATION;

D O I：

10.3390/coatings10060540

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Lateral compositionally-graded thin films are powerful media for the observation of phase boundaries as well as for high-throughput materials exploration. We herein propose a method to prepare epitaxial lateral compositionally-graded films using a dual-beam pulsed laser deposition (PLD) method with two targets separated by a partition. Tuning the ambient pressure and the partition-substrate gap makes it possible to control of the gradient length of the deposits at the small sizes (<= 10 mm) suitable for commercial oxide single crystal substrates. A simple Monte Carlo simulation qualitatively reproduced the characteristic features of the lateral thickness distribution. To demonstrate this method, we prepared (1-x)PbTiO3-xPbZrO(3)and (1-x)LaMnO3-xLa(0.6)Sr(0.4)MnO(3)films with lateral composition gradient widths of 10 and 1 mm, respectively, with the partitioned dual PLD.

引用

页数：12

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