{"title":"射频磁控溅射制备BaTiO3在Ge(001)表面的成核和生长动力学","authors":"Ruyuan Ma, Wentao Yan, Mingliang Zhao, Xiaofei Liu, Yuanmao Pu, Yang Qiu, Xingyan Zhao, Shaonan Zheng, Qize Zhong, Yuan Dong, Ting Hu","doi":"10.1063/5.0275009","DOIUrl":null,"url":null,"abstract":"The integration of metal oxide films with conventional semiconductors like silicon (Si) and germanium (Ge) enables the introduction of functionalities in semiconductor devices. This work experimentally demonstrates the BaTiO3 (BTO) thin film with crystalline Amm2 structure grown directly on Ge(001) using RF magnetron sputtering. In addition, its nucleation and growth kinetics are analyzed in detail. A systematic investigation of the crystal structural, optical, and morphological properties of BTO grown under different chamber pressures is performed. This study presents a growth model related to 3D + 2D growth to improve the mobility of barium (Ba) and titanium (Ti) atoms, with a stoichiometric ratio of Ba:Ti approaching 1.1. Consequently, at a wavelength of 800 nm, the refractive index (n) of BTO was approximately 2.15, rivaling those grown by pulsed laser deposition in refractive index.","PeriodicalId":8094,"journal":{"name":"Applied Physics Letters","volume":"92 1","pages":""},"PeriodicalIF":3.6000,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Distinct nucleation and growth kinetics of BaTiO3 on Ge (001) by RF magnetron sputtering\",\"authors\":\"Ruyuan Ma, Wentao Yan, Mingliang Zhao, Xiaofei Liu, Yuanmao Pu, Yang Qiu, Xingyan Zhao, Shaonan Zheng, Qize Zhong, Yuan Dong, Ting Hu\",\"doi\":\"10.1063/5.0275009\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The integration of metal oxide films with conventional semiconductors like silicon (Si) and germanium (Ge) enables the introduction of functionalities in semiconductor devices. This work experimentally demonstrates the BaTiO3 (BTO) thin film with crystalline Amm2 structure grown directly on Ge(001) using RF magnetron sputtering. In addition, its nucleation and growth kinetics are analyzed in detail. A systematic investigation of the crystal structural, optical, and morphological properties of BTO grown under different chamber pressures is performed. This study presents a growth model related to 3D + 2D growth to improve the mobility of barium (Ba) and titanium (Ti) atoms, with a stoichiometric ratio of Ba:Ti approaching 1.1. Consequently, at a wavelength of 800 nm, the refractive index (n) of BTO was approximately 2.15, rivaling those grown by pulsed laser deposition in refractive index.\",\"PeriodicalId\":8094,\"journal\":{\"name\":\"Applied Physics Letters\",\"volume\":\"92 1\",\"pages\":\"\"},\"PeriodicalIF\":3.6000,\"publicationDate\":\"2025-07-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Applied Physics Letters\",\"FirstCategoryId\":\"101\",\"ListUrlMain\":\"https://doi.org/10.1063/5.0275009\",\"RegionNum\":2,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"PHYSICS, APPLIED\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Physics Letters","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1063/5.0275009","RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"PHYSICS, APPLIED","Score":null,"Total":0}
Distinct nucleation and growth kinetics of BaTiO3 on Ge (001) by RF magnetron sputtering
The integration of metal oxide films with conventional semiconductors like silicon (Si) and germanium (Ge) enables the introduction of functionalities in semiconductor devices. This work experimentally demonstrates the BaTiO3 (BTO) thin film with crystalline Amm2 structure grown directly on Ge(001) using RF magnetron sputtering. In addition, its nucleation and growth kinetics are analyzed in detail. A systematic investigation of the crystal structural, optical, and morphological properties of BTO grown under different chamber pressures is performed. This study presents a growth model related to 3D + 2D growth to improve the mobility of barium (Ba) and titanium (Ti) atoms, with a stoichiometric ratio of Ba:Ti approaching 1.1. Consequently, at a wavelength of 800 nm, the refractive index (n) of BTO was approximately 2.15, rivaling those grown by pulsed laser deposition in refractive index.
期刊介绍:
Applied Physics Letters (APL) features concise, up-to-date reports on significant new findings in applied physics. Emphasizing rapid dissemination of key data and new physical insights, APL offers prompt publication of new experimental and theoretical papers reporting applications of physics phenomena to all branches of science, engineering, and modern technology.
In addition to regular articles, the journal also publishes invited Fast Track, Perspectives, and in-depth Editorials which report on cutting-edge areas in applied physics.
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