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5 p, 1.3 MB Inducing bistability with local electret technology in a microcantilever based non-linear vibration energy harvester / López Suárez, Miquel (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Agustí Batlle, Jordi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Torres, Francesc 1948- (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Rurali, Riccardo (Institut de Ciència de Materials de Barcelona) ; Abadal Berini, Gabriel (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; American Institute of Physics
A micro-electro-mechanical system based vibration energy harvester is studied exploring the benefits of bistable non linear dynamics in terms of energy conversion. An electrostatic based approach to achieve bistability, which consists in the repulsive interaction between two electrets locally charged in both tip free ends of an atomic force microscope cantilever and a counter electrode, is experimentally demonstrated. [...]
2013 - 10.1063/1.4800926
Applied physics letters, Vol. 102, Issue 15 (April 2013) , p. 153901/1-153901/4  

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