Magnetic device having a monocrystalline garnet substrate bearing a magnetic layer
AssigneeU.S. Philips Corporation
InventorsDieter Mateika, Rolf Laurien
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Abstract
A magnetic device has a monocrystalline garnet substrate bearing a magnetic layer, in particular for use as information storage. Magmetic device having a monocrystalline substrate bearing a magnetic layer, with the substrate having a composition on the basis of rare earth metal gallium garnet of the general formula ##STR1## wherein A=gadolinium and/or smarium and/or neodym and/or yttrium B=calcium and/or strontium C=magnesium D=zirconium and/or tin and 0<x.ltoreq.0.7; 0<y.ltoreq.0.7 and x+y.ltoreq.0.8.
Claims4
A single crystal on the basis of rare earth metal gallium garnet, characterized by the composition ##STR4## wherein A=gadolinium and/or samarium and/or neodym and/or yttrium
- B=calcium and/or strontium
- C=magnesium
- D=zirconium and/or tin
- and O<.times..ltoreq.0.7;O<y.ltoreq.0.7 and x+y.ltoreq.0.8.
Dependencies are inferred from the claim text.