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Nonlinear acceleration sensitivity and frequency temperature behavior of quartz crystals
Descriptive
TitleInfo
Title
Nonlinear acceleration sensitivity and frequency temperature behavior of quartz crystals
Name
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Chen
NamePart
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Jian Feng
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(type = date)
1983-
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Jian Feng Chen
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author
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Yong
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Yook-Kong
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Yook-Kong Yong
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Advisory Committee
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chair
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Balaguru
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Perumalsamy N
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Perumalsamy N Balaguru
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Advisory Committee
Role
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(authority = RULIB)
internal member
Name
(type = personal)
NamePart
(type = family)
Najm
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(type = given)
Husam
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Husam Najm
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Advisory Committee
Role
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(authority = RULIB)
internal member
Name
(type = personal)
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(type = family)
Denda
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(type = given)
Mitsunori
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Mitsunori Denda
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Advisory Committee
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outside member
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Rutgers University
Role
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degree grantor
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Graduate School - New Brunswick
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school
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theses
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2016
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2016-10
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2016
Place
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xx
Language
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eng
Abstract
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Quartz, composted of Silicon and Oxygen (Silicon Dioxide SiO2), has been the material of choice for stable resonators in wide applications of modern electronics. Due to decrease in the size of modern electronic devices, the nonlinearities of piezoelectric materials become more pronounced. Extensive study of the nonlinear behaviors of piezoelectric material is required. Three dimensional FEM modes are developed to calculate the effect of nonlinearities on the thickness shear mode resonant frequency. The intrinsic nonlinearities affecting the quartz resonators at high frequencies are acceleration sensitivity, force-frequency effect, and frequency-temperature behavior. A detailed study of the acceleration sensitivity of a rectangular AT-cut quartz plate is presented. For AT-cut quartz resonators with the crystal digonal X-axis perpendicular to plate X-axis, the in-plane acceleration sensitivity is found to be negligible compared to the out-of-plane (Y-axis) acceleration sensitivity. When the crystal digonal X-axis is parallel to plate X-axis, the Y-axis acceleration sensitivity is rectified. A DC bias field with an appropriate DC voltage could potentially yield a reduction of acceleration sensitivity in Y-axis direction of about two orders of magnitude. The behaviors of vibrating crystal plates under the action of external forces in fundamental mode and third overtone mode are studied. The plates were respectively subjected to diametrical compression forces and flexural bending in different configurations. Finite element models were developed using theory of small deformation superposed on finite initial deformation in Lagrangian formulation. The model results showed consistent trend with the experimental results by Fletcher and Mingins et al. The electrode stresses can be used to improve the frequency-temperature (f-T) behavior of ultra-high frequency (UHF) quartz resonators. The use of chromium-aluminum electrodes yields improved f-T behavior compared to the case where aluminum electrodes are used alone. The UHF quartz resonators must be treated as composite plates of quartz and electrode film since the ratio of electrode thickness to quartz plate thickness is significant. The quartz-aluminum composite plate rotates the f-T curve clockwise while the quartz-chromium composite plate rotates the f-T curve counter-clockwise.
Subject
(authority = RUETD)
Topic
Civil and Environmental Engineering
Subject
(authority = ETD-LCSH)
Topic
Quartz
Subject
(authority = ETD-LCSH)
Topic
Acceleration (Mechanics)
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Rutgers University Electronic Theses and Dissertations
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ETD_7622
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electronic resource
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Extent
1 online resource (xvi, 180 p. : ill.)
Note
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Ph.D.
Note
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Includes bibliographical references
Note
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by Jian Feng Chen
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Title
Graduate School - New Brunswick Electronic Theses and Dissertations
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rucore19991600001
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Identifier
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doi:10.7282/T3KP84FS
Genre
(authority = ExL-Esploro)
ETD doctoral
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Rights
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The author owns the copyright to this work.
RightsHolder
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Name
FamilyName
Chen
GivenName
Jian
MiddleName
Feng
Role
Copyright Holder
RightsEvent
Type
Permission or license
DateTime
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2016-09-23 20:27:21
AssociatedEntity
Name
Jian Chen
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Affiliation
Rutgers University. Graduate School - New Brunswick
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Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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2016-10-31
DateTime
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2017-10-31
Type
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Detail
Access to this PDF has been restricted at the author's request. It will be publicly available after October 31st, 2017.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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