Fabrication and Properties of III-Nitride Piezoelectric Pressure Sensors

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dc.contributor.advisorRyou, Jae-Hyun
dc.contributor.committeeMemberBao, Jiming
dc.contributor.committeeMemberArdebili, Haleh
dc.creatorChang, Yu-Li
dc.date.accessioned2019-05-23T15:46:14Z
dc.date.createdAugust 2018
dc.date.issued2018-08
dc.date.submittedAugust 2018
dc.date.updated2019-05-23T15:46:15Z
dc.description.abstractIn this thesis, we utilize gallium nitride (GaN) and aluminum nitride (AlN) as the sensing element of piezoelectric pressure sensor because its stable piezoelectric coefficient d_33, high rigidity and high serving temperature. We built up a customization design of pressure sensor by low-cost materials. We successfully measured the electrical signal by introducing different pressure for AlN and GaN pressure sensor at room temperature. Furthermore, the electrical signal collected by operating GaN piezoelectric pressure sensor from room temperature to 300 °C environment was accomplished. The influence of increasing charge carriers for piezoelectric material were discussed. Thermal and stress simulation for AlN and GaN piezoelectric pressure sensor were presented in thesis to analyze piezoelectric pressure sensor specifically. For the long - term goal, AlN and GaN piezoelectric pressure sensor should be produced with more professional design and be operated in higher temperature environment.
dc.description.departmentChemical and Biomolecular Engineering, Department of
dc.format.digitalOriginborn digital
dc.format.mimetypeapplication/pdf
dc.identifier.urihttps://hdl.handle.net/10657/4022
dc.language.isoeng
dc.rightsThe author of this work is the copyright owner. UH Libraries and the Texas Digital Library have their permission to store and provide access to this work. Further transmission, reproduction, or presentation of this work is prohibited except with permission of the author(s).
dc.subjectPiezoelectric
dc.subjectPressure sensor
dc.subjectGallium nitride
dc.subjectALUMINUM NITRIDE
dc.titleFabrication and Properties of III-Nitride Piezoelectric Pressure Sensors
dc.type.dcmiText
dc.type.genreThesis
local.embargo.lift2020-08-01
local.embargo.terms2020-08-01
thesis.degree.collegeCullen College of Engineering
thesis.degree.departmentChemical and Biomolecular Engineering, Department of
thesis.degree.disciplineMaterials Engineering
thesis.degree.grantorUniversity of Houston
thesis.degree.levelMasters
thesis.degree.nameMaster of Science

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