UVA Virtual Lab: SPM Piezoelectric Crystals
               
 
© 2003-Present J.C. Bean
 
To simplify things, let′s go back to a more real-world view of piezoelectrics as white blocks. However, to keep track of their internal ionic arrangement, we label the block with a Z. The colored bars remind us that the pattern ended with a negative ion at the top (blue) and a positive ion at the bottom (red).
 
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