Wide temperature range dielectric absorber

1. A dielectric absorber comprising:

a primary component group having a first crystalline structure and a second crystalline structure, and comprising lanthanum oxide, strontium oxide, and cobalt oxide, wherein one of said first crystalline structure and said second crystalline structure is a potassium nickel fluoride crystalline structure;

wherein said first crystalline structure exists independently from said second crystalline structure such that said dielectric absorber substantially uniformly absorbs electromagnetic radiation over a wide temperature range.

2. The dielectric absorber of claim 1 wherein said primary component group is represented by (1−z)[La 1−x Sr x CoO 3±y ]+z[La 2−x Sr x CoO 4±y ].

3. The dielectric absorber of claim 2 wherein x is greater than 0.0 and less than or equal to 0.9.

4. The dielectric absorber of claim 2 wherein z is greater than or equal to 0.0 and less than or equal to 1.0.

5. The dielectric absorber of claim 1 wherein said wide temperature range is between approximately 700° C. and approximately 1100° C.

6. The dielectric absorber of claim 1 wherein said first crystalline structure is a perovskite crystalline structure and said second crystalline structure is a potassium nickel fluoride crystalline structure.

7. The dielectric absorber of claim 1 wherein said primary component group is represented by [La 1−x Sr x CoO 3±y ], wherein cobalt exhibits two or more oxidation states.

8. The dielectric absorber of claim 1 wherein said primary component group is represented by [La 2−x Sr x CoO 4±y ], wherein cobalt exhibits two or more oxidation states.

9. A dielectric absorber comprising:

a primary component group having a first crystalline structure and a second crystalline structure, and comprising lanthanum oxide, strontium oxide, and cobalt oxide, wherein one of said first crystalline structure and said second crystalline structure is a potassium nickel fluoride crystalline structure;

wherein said first crystalline structure exists independently from said second crystalline structure such that said first crystalline structure absorbs electromagnetic radiation over a first temperature range and said second crystalline structure absorbs electromagnetic radiation over a second temperature range.

10. The dielectric absorber of claim 9 wherein said primary component group is represented by (1−z)[La 1−x Sr x CoO 3±y ]+z[La 2−x Sr x CoO 4±y ].

11. The dielectric absorber of claim 10 wherein x is greater than 0.0 and less than or equal to 0.9.

12. The dielectric absorber of claim 10 wherein z is greater than or equal to 0.0 and less than or equal to 1.0.

13. The dielectric absorber of claim 9 wherein said first crystalline structure is perovskite crystalline structure and said second crystalline structure is a potassium nickel fluoride crystalline structure.

14. A method for widening a temperature range of electromagnetic absorption by a dielectric absorber, said method comprising:

mixing lanthanum oxide, strontium oxide, and cobalt oxide to form a primary component group, said primary component group being represented by (1−z)[La 1−x Sr x CoO 3±y ]+z[La 2−x Sr x CoO 4±y ];

said dielectric absorber having a first crystalline structure existing independently from a second crystalline structure, wherein said first crystalline structure is a perovskite crystalline structure, and said second crystalline structure is a potassium nickel fluoride crystalline structure.

15. The method of claim 14 , wherein x is greater than 0.0 and less than or equal to 0.9.

16. The method of claim 14 wherein z is greater than or equal to 0.0 and less than or equal to 1.0.