%0 Journal Article %T Annalytical Modeling of the Effect of Electrostatic Actuation and Casimir Force on the Pull-in Instability and Static Behavior of Torsional Nano/Micro Actuators %A Moeenfard, Hamid %A Ali Darvishian %A Mohammad Taghi Ahmadian %J International Journal of modern physics B %@ 0217-9792 %D 2013