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Center for Nonlinear Studies |
This talk will describe a novel magnetic array of reconfigurable bits. This array will ultimately be deposited on a substrate using polymeric self assembly methods that will be developed to form ferro or ferrimagnetic pillars embedded in a piezoelectric matrix. The ground state of these pillars will be antiferromagnetic with the moments pointing up or down relative to the substrate in a checkerboard like pattern. The application of an electric field to a pillar and the surrounding matrix will cause the magnetic moment to rotate into the plane making it bistable to the application of a small magnetic field which ultimately will determine its direction when the electric field is removed. This array will ultimately be demonstrated in a crossbar configuration as a logic or memory array which can be very dense, fast non-volatile and be switched with energies as low as a few hundred zeptojoules.
Host: Gennady Berman