Incorporation of oxides into ferrite material for improved radio radiofrequency properties
View Patent ↗Disclosed herein are embodiments of an enhanced resonant frequency hexagonal ferrite material and methods of manufacturing. The hexagonal ferrite material can be Y-phase hexagonal ferrite material, such as those including strontium. In some embodiments, oxides consistent with the stoichiometry of Sr 3 Co 2 Fe 24 O 41 , SrFe 12 O 19 or CoFe 2 O 4 can be used form an enhanced hexagonal ferrite material.
1. An enhanced hexagonal ferrite having increased magnetic properties, the enhanced hexagonal ferrite comprising:
a y-phase hexagonal ferrite material, the y-phase hexagonal ferrite material having about 2 weight percent of CoFe 2 O 4 or SrFe 12 O 19 into the y-phase hexagonal ferrite material incorporated within.
2. The hexagonal ferrite of claim 1 wherein the Y-phase hexagonal ferrite material includes Sr 1.6 Na 0.4 Co 1.6 Sc 0.4 Fe 11 O 22 .
3. The hexagonal ferrite of claim 1 wherein CoFe 2 O 4 is incorporated into the y-phase hexagonal ferrite material as a separate phase from the y-phase hexagonal ferrite material.
4. The hexagonal ferrite of claim 1 wherein CoFe 2 O 4 or SrFe 12 O 19 is incorporated into the y-phase hexagonal ferrite material at two weight percent.
5. The hexagonal ferrite of claim 1 wherein SrFe 12 O 19 is incorporated into the y-phase hexagonal ferrite material as a separate phase from the y-phase hexagonal ferrite material.
6. A radiofrequency antenna for use in high frequency applications comprising:
a y-phase hexagonal ferrite material, the y-phase hexagonal ferrite material having about 2 weight percent of CoFe 2 O 4 or SrFe 12 O 19 into the y-phase hexagonal ferrite material incorporated within to form an enhanced hexagonal ferrite material.
7. The radiofrequency antenna of claim 6 wherein the Y-phase hexagonal ferrite material includes Sr 1.6 Na 0.4 Co 1.6 Sc 0.4 Fe 11 O 22 .
8. The radiofrequency antenna of claim 6 wherein CoFe 2 O 4 is incorporated into the y-phase hexagonal ferrite material as a separate phase from the y-phase hexagonal ferrite material.
9. The radiofrequency antenna of claim 6 wherein the CoFe 2 O 4 or the SrFe 12 O 19 is incorporated into the y-phase hexagonal ferrite material at a weight percent of two.
10. The radiofrequency antenna of claim 6 wherein SrFe 12 O 19 is incorporated into the y-phase hexagonal ferrite material as a separate phase from the y-phase hexagonal ferrite material.
11. A radiofrequency device incorporating the hexagonal ferrite of claim 1 .
12. A radiofrequency device incorporating the antenna of claim 6 .
13. The radiofrequency device of claim 12 , wherein the radiofrequency device is a power amplifier.
14. A circulator comprising a y-phase hexagonal ferrite material, the y-phase hexagonal ferrite material having about 2 weight percent of CoFe 2 O 4 or SrFe 12 O 19 into the y-phase hexagonal ferrite material incorporated within to form an enhanced hexagonal ferrite material.
15. The circulator of claim 14 wherein the Y-phase hexagonal ferrite material includes Sr 1.6 Na 0.4 Co 1.6 Sc 0.4 Fe 11 O 22 .
16. The circulator of claim 14 wherein SrFe 12 O 19 is incorporated into the y-phase hexagonal ferrite material as a separate phase from the y-phase hexagonal ferrite material.
17. The circulator of claim 14 wherein CoFe 2 O 4 is incorporated into the y-phase hexagonal ferrite material as a separate phase from the y-phase hexagonal ferrite material.
18. The circulator of claim 14 wherein CoFe 2 O 4 or SrFe 12 O 19 is incorporated into the y-phase hexagonal ferrite material at two weight percent.
19. The circulator of claim 14 wherein the CoFe 2 O 4 or the SrFe 12 O 19 is incorporated into the y-phase hexagonal ferrite material at a weight percent of two.
20. A radiofrequency device incorporating the circulator of claim 14 .