Influence of Ti-Al Substitution on Structure, Magnetic and Microwave Absorption Properties in Barium Hexaferrite

نویسندگان

چکیده

In order to investigate a new magnetic and microwave absorbing properties, barium hexaferrite materials of BaFe 12 O 19 10 TiAlO were synthesized by solid state reaction (SSR) method. X-ray diffraction (XRD), Permagraph, vector network analyzer (VNA) used probe the crystal structure, absorption properties. The results obtained that structures have been shaped showed high susceptibility coercivity. Microwave properties absorbers characterized at room temperature using VNA record reflected (S 11 ) transmitted spectrum 21 for 7 – 13 GHz frequencies. Reflection loss (RL) transmission (TL) calculated performed optimal ability.

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Magnetic and microwave absorption properties of barium hexaferrite doped with La3+ and Gd3+

In this paper, BaLa‌xGdxFe12-2xO19 (x=0.2, 0.4, 0.6 and 0.8) were synthesized via sol-gel auto-combustion method. Fourier transform infrared spectroscopy (FTIR) of samples was represented that the bands at 400 and 500 cm-1 were related to the formation of hexaferrite phase. The (x-ray diffraction) XRD patterns were matched exactly with the structure of barium hexaferrite. (Field emission scanni...

متن کامل

The Influence of La2O3 Substitution on the Structure and Properties of Sr Hexaferrite

The influence of La substitution on the structure, magnetic and electric properties of Sr hexaferrite is examined in isotropic and anisotropic samples. High quality hard ferrite is obtained with 1 weight % of La substitution ( for SiOz doping samples as well).

متن کامل

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 کامل

Thermal annealing effect on the structural and magnetic properties of barium hexaferrite powders

Samples examined in this experimental work were in the form of hexagonal barium ferrite with various temperatures annealing. Barium hexaferrite (BaFe12O19), is of great importance as permanent magnets, particularly for magnetic recording as well as in microwave devices. The variation of the temperatures annealing was found to affect coercivity, mean effective anisotropy field, magnetic viscosit...

متن کامل

Barium 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 کامل

ذخیره 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: Journal of physics

سال: 2022

ISSN: ['0022-3700', '1747-3721', '0368-3508', '1747-3713']

DOI: https://doi.org/10.1088/1742-6596/2377/1/012007