Abstract
Magnetostriction is the emergence of a mechanical deformation induced by an external magnetic field. The conversion of magnetic energy into mechanical energy via magnetostriction at the nanoscale is at the heart of many magnetomechanical systems such as sensors, transducers, actuators, and energy harvesters. However, cryogenic temperatures and large magnetic fields are often required to drive the magnetostriction in such systems, rendering this approach energetically inefficient and impractical for room temperature device applications. Nanomaterials offer a new approach for achieving large magnetostrictive effects. The advent of fourth generation light sources is offering a unique opportunity to study magnetostriction at length and time scales not realized before.
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