论文部分内容阅读
With a suite of x-ray spectroscopy experiments(dichroism,emission and absorption),we investigate doping-and pressure-induced changes in the electronic state of Mn 3d and As 4p orbitals in Ⅱ-Ⅱ-Ⅴ based diluted magnetic semiconductor(Ba1-x,Kx)(Zn1-y,Mny)2As2 to shed light into the mechanism of indirect exchange interactions leading to high ferromagnetic ordering temperature(Tc = 230 K in optimally doped samples).