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Piezoelectric materials

  1. Feb 28, 2010 #1
    My professor is having me look into lithium niobate and run some tests on it in comsol to do a pretest on an experiment. I do not know much about them, but the results I am getting from the analysis seems off from what it should be. I feel like I am missing a parameter or boundary condition.

    The model is a 1 micrometer block of lithium niobate with a disk that is 50 nm across and 1 nm thick in the center of the face of one side of the block. The side opposite of the disk is the ground. I would think that the most stress would be right around the disk and gradually reduce towards the ground. I included some pictures and am hoping someone can help me make sense of it.
     

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  2. jcsd
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