%0 Journal Article %T Surface impedance of BaFe2-xNixAs2 in the radio frequency range %A Abbassi Abdellatif %A Michel Saint-Paul %A Dkiouak Rachid %A Britel Mohammed-Reda %J Advanced Electromagnetics %D 2012 %I Advanced Electromagnetics %R 10.7716/aem.v1i2.61 %X We report measurements of the temperature dependence of the surface impedance in superconducting BaFe1.93Ni0.07As2 crystals using the radiofrequency reflection technique in the 52-xNixAs2 has attracted much interest. For a Ni doping level of 7% the superconducting phase transition is found around 20K. The temperature dependence of the superconducting penetration depth was determined. %K Iron superconductors %K microwaves %K radiofrequency %K ultrasounds %U http://aemjournal.org/index.php/AEM/article/view/61