MAGNETIC PHOTONIC CRYSTAL Russian patent published in 2015 - IPC C30B29/28 G02F1/09 

FIELD: physics.

SUBSTANCE: invention refers to optical data processing and can be used for controlling coherent light fluxes in optoelectronic and magnetic photonic devices, data display, storage and transfer systems, etc. A magnetic photonic crystal comprising 3 ≤N ≤10 pairs of magnetic and non-magnetic layers randomly deposited on one another and enclosing one of the random pairs having the magnetic layer made of Bi_zK_3-zFe₅O₁₂, wherein K is Y, Lu, while the value z varies within the range of 0.5-1.0 at. / form. units, and the other pair contains a magnetic layer made of Bi_xR_3-xFe_5-yM_yO₁₂, wherein R is at least one rare earth element specified in a group of Tb, Dy, Sm, Eu, Tm, Yb, Lu and in a combination with Tb with Pr, Yb with Nd; M is Al, while the value x varies within the range of 0.5-2 at. / form. units; the value y varies within the range of 0.5-1.3 at. / form. units; the non-magnetic layer in each pair is made of MeO, wherein Me is Si, Al.

EFFECT: invention provides manufacturing the crystal the properties of which can be additionally controlled by temperature.