- Tytuł:
- Improvement of Microwave Absorption Characteristics by Coating Layer in Substituted U-Type Ferrites
- Autorzy:
-
Jeong, Kwang-Pil
Kim, Jeong-Gon
Yang, Su-Won
Choi, Jin-Hyuk
Park, Seung-Young - Powiązania:
- https://bibliotekanauki.pl/articles/353196.pdf
- Data publikacji:
- 2020
- Wydawca:
- Polska Akademia Nauk. Czytelnia Czasopism PAN
- Tematy:
-
hexagonal ferrite
U-type ferrite
silicon oxide layer
microwave absorption - Opis:
- The U-type ferrite is a kind of hexagonal ferrite, and it is known as a microwave absorber in the X-band. The magnetic and dielectric loss of the U-type ferrite change to the composition and coating layer, etc. In this study, the silicon oxide layer was coated on the substituted U-type ferrites to improve microwave absorption characteristics. The complex permittivity and complex permeability were measured using toroidal specimens that were press-molded and the measured frequency range was set from 2-18 GHz. The improvement of the microwave absorption rate was different according to the type of the substituted U-type ferrites. Only in the substituted U-type ferrites with nickel and zinc, an improvement in the microwave absorption rate due to enhancement of magnetic loss was confirmed. The highest microwave absorption was 99.9% at 9.6 GHz, which was S_Z0.5 U.
- Źródło:
-
Archives of Metallurgy and Materials; 2020, 65, 4; 1287-1291
1733-3490 - Pojawia się w:
- Archives of Metallurgy and Materials
- Dostawca treści:
- Biblioteka Nauki
Artykuł