Journal Article 2D oxides EMI shielding efficiency Poisson's ratio Research Support, Non-U.S. Gov't Review aligned graphene sheets anomalous mechanical properties carbon materials dielectric constant electrical conductivity electromagnetic interference shielding electron holography energy-filtered image ferrotoroidic order graphene metamaterials in situ TEM magnetoelectric coupling memristive systems multiferroic materials multiferroics oxygen vacancies physical sensing polarization-mediated properties polymer nanocomposite resistive switching soft electronics spin chain spintronics synaptic plasticity