{"title":"A graphene accelerometer","authors":"A. Hurst, Sunwoo Lee, W. Cha, J. Hone","doi":"10.1109/MEMSYS.2015.7051096","DOIUrl":null,"url":null,"abstract":"This work presents an SU-8 clamped graphene nano-electro-mechanical-system (GNEMS) accelerometer. A suspended graphene membrane is circularly clamped by SU-8, with an additional proof mass made of either SU-8 or gold, located at the center of the membrane. This GNEMS accelerometer is approximately three orders of magnitude smaller than state of the art micro-electromechanical (MEMS) accelerometers with the diameter of the suspended graphene membrane being 3-10 μm and the proof mass diameter being 1-5 μm. Here, we present the fabrication, simulation, and experimental aperiodic calibration results of the GNEMS accelerometer, demonstrating a repeatable response to an input acceleration levels of ~1000-3000 g.","PeriodicalId":337894,"journal":{"name":"2015 28th IEEE International Conference on Micro Electro Mechanical Systems (MEMS)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"17","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 28th IEEE International Conference on Micro Electro Mechanical Systems (MEMS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MEMSYS.2015.7051096","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 17
Abstract
This work presents an SU-8 clamped graphene nano-electro-mechanical-system (GNEMS) accelerometer. A suspended graphene membrane is circularly clamped by SU-8, with an additional proof mass made of either SU-8 or gold, located at the center of the membrane. This GNEMS accelerometer is approximately three orders of magnitude smaller than state of the art micro-electromechanical (MEMS) accelerometers with the diameter of the suspended graphene membrane being 3-10 μm and the proof mass diameter being 1-5 μm. Here, we present the fabrication, simulation, and experimental aperiodic calibration results of the GNEMS accelerometer, demonstrating a repeatable response to an input acceleration levels of ~1000-3000 g.
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