Abstract
Here, we report the study of structural and magnetic behavior of SrRuO3 by Ga doping at Ru site. SrRuO3 has an orthorhombic structure of Pbnm symmetry that has not changed by Ga doping, however, lattice parameters has decreased. The SrRuO3 is the one and only example of 4d based itinerant ferromagnet (FM) in oxides with transition temperature (Tc) ∼ 160 K. Below Tc, SrRuO3 shows large bifurcation between Zero-field-cooled (ZFC) and field-cooled (FC) magnetization, which decreases by Ga doping. The inverse susceptibility (χ−1) in paramagnetic (PM) and high-temperature region shows that the Curie temperature (θp) as well as effective moment decreases by Ga doping. The isothermal magnetization at 5 K shows hysteresis, which retain by Ga doping though the moment decreases. The Arrott plot confirms the FM nature and gives spontaneous magnetization (MS) that decreases by Ga doping.
Published Version
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