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PLZT material properties for surface acoustic wave simulation
Posted Dec 13, 2015, 9:56 a.m. EST MEMS & Nanotechnology, RF & Microwave Engineering, Acoustics & Vibrations, MEMS & Piezoelectric Devices, Materials, Parameters, Variables, & Functions Version 4.4, Version 5.1 1 Reply
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I am designing a surface acoustic wave resonator by using PLZT (Lead Lanthanum Zirconium titanate) at a composition of 8/60/40. I am struggling problems to obtain material properties in like:
In strain-charge form:
1. Compliance matrix,
2. Coupling matrix,
3. Loss factor for compliance matrix, coupling matrix and electrical permittivity.
In strain-charge form:
1. Elasticity matrix,
2. Coupling matrix,
3. Loss factor for elasticity matrix, coupling matrix and electrical permittivity.
I request the related people to kindly guide me to carry forward my work.
-yeswanth
In strain-charge form:
1. Compliance matrix,
2. Coupling matrix,
3. Loss factor for compliance matrix, coupling matrix and electrical permittivity.
In strain-charge form:
1. Elasticity matrix,
2. Coupling matrix,
3. Loss factor for elasticity matrix, coupling matrix and electrical permittivity.
I request the related people to kindly guide me to carry forward my work.
-yeswanth
1 Reply Last Post Dec 14, 2015, 10:12 a.m. EST
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Posted:
9 years ago
Dear Yeswanth,
If you do not know or can find the material parameters in literature, you have to determine the material properties by yourself. You can perform Ab-Initio calculation, however, material parameters depends on your material. That means, it's structure/imperfections/stress etc. Usually, you have to determine material parameters experimentally.
There are methods you can measure selected material properties directly, for instance Piezotest.
If you need the full set of material constants you may have a look at 176-1987 - IEEE Standard on Piezoelectricity, where a methodology is described.
Best,
Nicolas
If you do not know or can find the material parameters in literature, you have to determine the material properties by yourself. You can perform Ab-Initio calculation, however, material parameters depends on your material. That means, it's structure/imperfections/stress etc. Usually, you have to determine material parameters experimentally.
There are methods you can measure selected material properties directly, for instance Piezotest.
If you need the full set of material constants you may have a look at 176-1987 - IEEE Standard on Piezoelectricity, where a methodology is described.
Best,
Nicolas