TY - JOUR A2 - Jaafar, Mariatti AU - Das, Sukanta AU - Nayak, G. C. AU - Sahu, S. K. AU - Routray, P. C. AU - Roy, A. K. AU - Baskey, H. PY - 2014 DA - 2014/09/17 TI - Microwave Absorption Properties of Double-Layer RADAR Absorbing Materials Based on Doped Barium Hexaferrite/TiO2/Conducting Carbon Black SP - 468313 VL - 2014 AB - In this report, we demonstrate microwave absorption properties of barium hexaferrite, doped barium hexaferrite, titanium dioxide and conducting carbon black based RADAR absorbing material for stealth application. Double-layer absorbers are prepared with a top layer consisting of 30% hexaferrite and 10% titanium dioxide while the bottom layer composed of 30% hexaferrite and 10% conducting carbon black, embedded in chloroprene matrix. The top and bottom layers are prepared as impedance matching layer and conducting layer, respectively, with a total thickness of 2 mm. Microwave absorption properties of all the composites were analyzed in X-band region. Maximum reflection loss of −32 dB at 10.64 GHz was observed for barium hexaferrite based double-layer absorber whereas for doped barium hexaferrite based absorber the reflection loss was found to be −29.56 dB at 11.7 GHz. A consistence reflection loss value (>−24 dB) was observed for doped barium hexaferrite based RADAR absorbing materials within the entire bandwidth. SN - 2314-4904 UR - https://doi.org/10.1155/2014/468313 DO - 10.1155/2014/468313 JF - Journal of Engineering PB - Hindawi Publishing Corporation KW - ER -