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.
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页数：12
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