COMPOSITIONS COMPRISING CYSTALLINE-LIKE TRANSITION METAL MATERIAL AND METHODS OF USE THEREOF

摘要

PURPOSE: A compositions comprising crystalline-like transition metal material and methods of use thereof is provided to have a crystalline-like structure comprise transition metals that exhibit unique electronic properties. CONSTITUTION: A magnetic medium includes a plurality of magnetically polarized local domains and photomagnetic material adjacent to the magnetically polarized local domains. The photomagnetic material increases the strength of a magnetic field at a particular magnetically polarized local domain when the photomagnetic material receives light at a location adjacent to the particular local domain. Information is recorded at a particular location on the magnetic medium by placing the magnetic medium in an applied magnetic field less than the critical magnetic field required to change the polarization of the local magnetic domains. Information is recorded by applying light to the particular location of the magnetic medium to induce magnetization of the photomagnetic material at the particular location.