Titanium material electromagnetic wave perfect absorber
An electromagnetic wave and absorber technology, which is applied in the field of perfect electromagnetic wave absorbers of titanium materials, can solve the problems of limited application prospects of absorbers, strong ohmic loss and thermal effect, unfavorable structural stability of metal micro-nano materials, etc., and achieves poor thermal conductivity and fire resistance. Good and wide application prospects
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Embodiment 1
[0033] figure 1 It is a structural schematic diagram of a titanium material electromagnetic wave perfect absorber according to an embodiment of the present invention. Such as figure 1 As shown, the titanium material electromagnetic wave perfect absorber provided by the present invention includes: a substrate 1 , a titanium film 2 , a dielectric film 3 , and a titanium particle structure layer 4 . The titanium film 2 is arranged on the substrate 1 , the dielectric film 3 is arranged on the titanium film 2 , and the titanium particle structure layer 4 is arranged on the dielectric film 3 .
[0034] figure 2 It is a schematic top view of a titanium material electromagnetic wave perfect absorber according to an embodiment of the present invention. Such as figure 2 As shown, the titanium particle structure layer includes a plurality of first titanium particle rows and a plurality of second titanium particle rows, and the first titanium particle row and the second titanium par...
Embodiment 2
[0038] Figure 4 It is a schematic top view of a titanium material electromagnetic wave perfect absorber according to an embodiment of the present invention. Such as Figure 4As shown, the difference between this embodiment and Embodiment 1 is that the titanium particle structure layer includes a plurality of first titanium particle rows and a plurality of second titanium particle rows, and the plurality of first titanium particle rows and the plurality of titanium particle rows The second row of titanium particles is adjacent; the first row of titanium particles includes a plurality of titanium particles 5 of a first size, and the row of second titanium particles includes a plurality of titanium particles 6 of a second size; The titanium particles 5 are smaller than the titanium particles 6 of the second size; the titanium particles 5 of the first size are arranged at equal intervals, and the titanium particles of the plurality of first titanium particle rows are equally spa...
Embodiment 3
[0042] The difference between this embodiment and the first embodiment lies in that the material of the substrate is polydimethylsiloxane, the thickness of the titanium film is 200 nm, and the material of the dielectric film is silicon dioxide with a thickness of 70 nm. The titanium particle structure is a cylindrical structure, the diameter of the titanium particle of the first size is 200 nanometers, the diameter of the titanium particle of the second size is 360 nanometers, the thickness of the titanium particle of the first size and the titanium particle of the second size are both 60 nanometers, The distance between centroids of titanium particles of the first size and the distance between centroids of titanium particles of the second size are both 490 nanometers.
[0043] Image 6 It is the light absorption diagram of the titanium material electromagnetic wave perfect absorber of the embodiment of the present invention. Such as Image 6 As shown, in the range of 0.423 ...
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Abstract
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