Abstract
Perovskite-related Ga oxide, Sr3(Ga1-xMnx)2O6 (0≤x≤0.2) was synthesized and characterized in order to design new diluted magnetic perovskites for spin electronics. The crystal structure of Sr3(Ga1-xMnx)2O6 (SGMO) was investigated by powder X-ray diffraction and Rietveld analysis. Knowledge of the SGMO was refined using the Rietveld program, RIETAN. Strontium gallate Sr3Ga2O6 (SGO) is a novel cubic structure with GaO4 tetrahedral unit, space group P3a, and a=b=c=16.095 Å. The crystal structure of SGMO is similar to that of SGO, and Mn-doping does not affect the crystal structure of the mother compound SGO. The electronic nature of Ga and Mn ions in SGMO was investigated by X-ray photoemission spectroscopic measurement, suggesting that the ions of Ga and Mn are +3 and +4 states, respectively. Magnetic properties of SGMO were measured on a SQUID magnetometer. SGMO exhibits non-paramagnetic behavior at 10 K, but it is paramagnetic with θP<0 at 300 K.
Published Version (
Free)
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call