Layered garnet films for applications in atomic traps

Abstract

Layered high-coercive garnet films characterized by a couple of parameters very suitable for creating reconfigurable magnetic atomic traps with new properties are investigated. Non-uniform distribution of inner stresses and chemical composition stratification obtained in the films can be increased technologically to form sublayers for independent local switching by means of thermomagnetic recording. It makes possible to provide more than two magnetic states and create special types of atomic traps with additional "states of freedom". The experience in the films synthesis and experimental thermomagnetic recording for multilevel traps modeling is described.