C. Mart, A. Viegas, S. Eßlinger, M. Czernohorsky, W. Weinreich, D. Mutschall, A. Kaiser, N. Neumann, T. Großmann, K. Hiller, L. Eng
{"title":"Pyroelectric CMOS Compatible Sensor Element Based on Hafnium Oxide Thin Films","authors":"C. Mart, A. Viegas, S. Eßlinger, M. Czernohorsky, W. Weinreich, D. Mutschall, A. Kaiser, N. Neumann, T. Großmann, K. Hiller, L. Eng","doi":"10.1109/IFCS-ISAF41089.2020.9234892","DOIUrl":null,"url":null,"abstract":"Nanometer-thin ferroelectric hafnium oxide (HfO<inf>2</inf>) films enable manufacturing of integrated infrared sensors in a CMOS compatible process. By depositing the pyroelectric film on an area-enhanced substrate, we significantly improve the sensor element response by a factor of more than 12. Integration challenges of doped HfO<inf>2</inf> in 3D structures are assessed, and the pyroelectric signal amplitude is compared for Si-doped material and the Hf<inf>0.5</inf>Zr<inf>0.5</inf>O<inf>2</inf> mixed oxide.","PeriodicalId":6872,"journal":{"name":"2020 Joint Conference of the IEEE International Frequency Control Symposium and International Symposium on Applications of Ferroelectrics (IFCS-ISAF)","volume":"27 1","pages":"1-3"},"PeriodicalIF":0.0000,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 Joint Conference of the IEEE International Frequency Control Symposium and International Symposium on Applications of Ferroelectrics (IFCS-ISAF)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IFCS-ISAF41089.2020.9234892","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
Nanometer-thin ferroelectric hafnium oxide (HfO2) films enable manufacturing of integrated infrared sensors in a CMOS compatible process. By depositing the pyroelectric film on an area-enhanced substrate, we significantly improve the sensor element response by a factor of more than 12. Integration challenges of doped HfO2 in 3D structures are assessed, and the pyroelectric signal amplitude is compared for Si-doped material and the Hf0.5Zr0.5O2 mixed oxide.