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  1. J

    A rather specific thermodynamic potential

    Today, during class, our professor went through a simple example about Piezoelectricity. We have a cylinder with a trapped ideal gas and a piston which is part of a capacitor together with the bottom of the cylinder. The voltage across the capacitor is \Phi, and the charge is Q. The distance...
  2. J

    A simple model for piezo electric effect

    I'm told I have a cylinder with a simple piston and a trapped ideal gas. The area of the piston is A, and the position of the piston with respect to the bottom of the cylinder is denoted by l. The cylinder itself is electrically isolating, while the bottom and the piston surface are connected to...
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