High-throughput combinatorial approach expeditesthe synthesis of a lead-free relaxor ferroelectric system  

作　　者：Di Zhang Katherine J.Harmon Michael J.Zachman Ping Lu Doyun Kim Zhan Zhang Nicholas Cucciniello Reid Markland Ken William Ssennyimba Hua Zhou Yue Cao Matthew Brahlek Hao Zheng Matthew M.Schneider Alessandro R.Mazza Zach Hughes Chase Somodi Benjamin Freiman Sarah Pooley Sundar Kunwar Pinku Roy Qing Tu Rodney J.McCabe Aiping Chen 

机构地区：[1]Center for Integrated Nanotechnologies,Los Alamos National Laboratory,Los Alamos,New Mexico,USA [2]Materials Science Division,Argonne National Laboratory,Lemont,Illinois,USA [3]Center for Nanophase Materials Sciences,Oak Ridge National Laboratory,Oak Ridge,Tennessee,USA [4]Sandia National Laboratories,Albuquerque,New Mexico,USA [5]Department of Materials Science and Engineering,Texas A&M University,College Station,Texas,USA [6]Advanced Photon Source(APS),Argonne National Laboratory,Lemont,Illinois,USA [7]Materials Science and Technology Division,Oak Ridge National Laboratory,Oak Ridge,Tennessee,USA [8]Materials Science and Technology Division,Los Alamos National Laboratory,Los Alamos,New Mexico,USA

出　　处：《InfoMat》2024年第9期75-90,共16页信息材料（英文）

基　　金：NNSA's Laboratory Directed Research andDevelopment Program;Center forIntegrated Nanotechnologies,an Office ofScience User Facility operated for theU.S.Department of Energy(DOE)Officeof Science by Los Alamos NationalLaboratory,Grant/Award Number:89233218CNA000001;Sandia NationalLaboratories,Grant/Award Number:DENA0003525;U.S.Department of Energy,Office of Science,Basic Energy Sciences,Materials Science and EngineeringDivision;Argonne National Laboratory;U.S.DOE Office of Science-Basic Energy Sciences,Grant/Award Number:DEAC02-06CH11357;Center for NanophaseMaterials Sciences;ACS PetroleumResearch Fund under Doctoral NewInvestigator Grant,Grant/Award Number:62603-DNI10。

摘　　要：Developing novel lead-free ferroelectric materials is crucial for next-generationmicroelectronic technologies that are energy efficient and environmentfriendly.However,materials discovery and property optimization are typicallytime-consuming due to the limited throughput of traditional synthesismethods.In this work,we use a high-throughput combinatorial synthesisapproach to fabricate lead-free ferroelectric superlattices and solid solutions of(Ba_(0.7)Ca_(0.3))TiO_(3)(BCT)and Ba(Zr_(0.2)Ti_(0.8))O_(3)(BZT)phases with continuous variationof composition and layer thickness.High-resolution x-ray diffraction(XRD)and analytical scanning transmission electron microscopy(STEM)demonstratehigh film quality and well-controlled compositional gradients.Ferroelectricand dielectric property measurements identify the“optimal propertypoint”achieved at the composition of 48BZT–52BCT.Displacement vectormaps reveal that ferroelectric domain sizes are tunable by varying{BCT–BZT}Nsuperlattice geometry.This high-throughput synthesis approach can be appliedto many other material systems to expedite new materials discovery and properties optimization,allowing for the exploration of a large area of phasespace within a single growth.

关 键 词：FERROELECTRICS high-resolution x-ray diffraction high-throughput combinatorial synthesis pulsed laser deposition scanning transmission electron microscopy SUPERLATTICES 

分 类 号：TB3[一般工业技术—材料科学与工程]