Ba-Hexaferrite Films for Next Generation Microwave Devices
نویسندگان
چکیده
منابع مشابه
Structure, magnetic, and microwave properties of thick Ba-hexaferrite films epitaxially grown on GaN/Al2O3 substrates
epitaxially grown on GaN/Al2O3 substrates Z. Chen, A. Yang, K. Mahalingam, K. L. Averett, J. Gao, G. J. Brown, C. Vittoria, and V. G. Harris Center for Microwave Magnetic Materials and Integrated Circuits, Northeastern University, Boston, Massachusetts 02155, USA Air Force Research Laboratory, Wright-Patterson Air Force Base, Ohio 45433, USA Department of Electrical and Computer Engineering, No...
متن کاملBarium Hexaferrite Thick Films for Microwave Absorbers and Circulators
Barium hexaferrite (BaHF) with the chemical formula BaFe12O19 is a hard magnetic material and has high magnetic anisotropy field (MAF), 17 kOe. The easy direction of magnetization corresponds to the crystallographic c-axis and BaHF particles orient in this direction when are exposed to an external magnetic field. Because of the high MAF, a ferromagnetic resonant frequency appears from 45 to 50 ...
متن کاملOxide Thin Films for Tunable Microwave Devices
Oxide thin ®lms have been studied for frequency and phase agile electronics. The electric-®eld tuning of microwave devices employs ferroelectrics, while the Magnetic-®eld tuning uses ferrites. The critical material parameters for ferroelectric thin ®lms are the tunability of the dielectric constant and the dielectric loss. This paper describes the current understanding of the fundamental mechan...
متن کاملSmart Devices for Next Generation Mobile Services
Ubiquitous computing requires new paradigms to assist users organizing and performing daily tasks. Supporting autonomy and providing secured execution environments are two among a lot of challenging issues. Next generation smart cards, so-called smart devices, are regarded as personal devices providing a secured execution and storage environment for application tasks and sensitive privacy infor...
متن کاملEBSD analysis of the microtexture of Ba-hexaferrite samples
The microtexture of differently prepared Ba-hexaferrite samples is investigated by means of electron backscatter diffraction (EBSD). Kikuchi patterns are obtained with a high image quality, enabling a spatial resolution of the EBSD maps of about 20 nm. The spatially highly resolved EBSD mappings provide additional information (individual grain orientation, misorientation angles, grain size dist...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: ChemInform
سال: 2006
ISSN: 0931-7597,1522-2667
DOI: 10.1002/chin.200637192