Towards the design of electron beam-controlled (optical) fiber microelectromechanical systems based on piezoelectric and ferroelectric polymers and composites

The problem of interaction of microelectromechanical systems and structures with electron and ion beams applied for the tasks of cryovacuum and space electronics and control of space telescopes is posed in the introduction, and the need for modeling the above effects in ground experiments is demonstrated. A technique for modeling the effect of charged particle beams on the polymer ferroelectric and piezoelectric structures, such as the interacting polymer fibers / «fuzzy neuromorphic connectomes» is proposed and implemented based on time-resolved electron microscopy tools with real-time data analysis, up to stroboscopic electron microscopy. In particular, a 2D Fourier transform and subsequent calculation of integral spatial characteristics (ISCs), analysis of the interframe correlations, complex wavelets are used. The experiments demonstrate piezoelectric fiber dynamics of microelectromechanical systems, detected by the change in 2D Fourier spectra of the fiber structures over time under the electron beam. The dynamics of fiber structures and networks with their topology changing under the electron beam is also shown. Time-lapse recording data prove that in some cases such structures can operate as drive (control) electromechanical elements, elastic elements (springs), contactors or locking (blocking) elements. The mechanical fracture of microfibers is also demonstrated. The possibility of coupling several fibers of different thickness and electrophysical properties to achieve complex control over microelectromechanical structures and systems based on them is also shown. The discussion points out the prospects of studying the above structures and systems both within the framework of polymer microelectromechanics or mechatronics, and for creating neuromimetic network structures for sensorics and adaptive motorics, actuated by the charged particle beams (electrons, ions, etc.) and inducing the fiber MEMS dynamics of the «artificial muscle» type, operating based on the principles of teinochemistry and chemomechanics of polymers with field-controlled adaptive «fuzzy» connection formation.