Structural, magnetic, and dielectric studies of cubically ordered Sr2FeMnO6

Microstructures and physical properties of sol–gel derived Ba2FeMnO6 double perovskite

“…The Fe 2p XPS spectrum is shown in Figure S2, but here we focus the Fe 2p 3/2 XPS sub‐peak to deconvolute for determination of the valence of Fe element. Figure 3C shows the Fe 2p 3/2 XPS spectrum located around 709.99 eV, which can be deconvoluted into two components positioned at 709.68 and 711.43 eV, corresponding to Fe 3+ and Fe 4+ ions, respectively 21 . That indicates the Fe element is presented as Fe 3+ and Fe 4+ ions in the BFMO samples.…”

“…Figure 3C shows the Fe 2p 3/2 XPS spectrum located around 709.99 eV, which can be deconvoluted into two components positioned at 709.68 and 711.43 eV, corresponding to Fe 3+ and Fe 4+ ions, respectively. 21 That indicates the Fe element is presented as Fe 3+ and Fe 4+ ions in the BFMO samples. The Mn 2p 3/2 core level located at 641.04 eV is depicted in Figure 3D, which is also deconvoluted into two components positioned at 641.55 eV (Mn 3+ ) and 643.06 eV (Mn 4+ ), respectively.…”

“…A wide range of physical properties of DP oxides can be achieved by suitable combinations of the B′ and B″ ions. 16,17 To search for the novel materials with high T C , multiferroicity at RT as well as high spin polarization for spintronics devices, DP oxides like Sr-based Sr 2 B′B″O 6 (B′B″ = FeMo, FeRe, FeMn, FeW, CrMo, CrRe, CrW, and CrOs) [18][19][20][21][22][23][24][25] and Bi-based Bi 2 B′B″O 6 (B′B″ = NiMn, FeMn, CoMn, CoZn, FeCr, FeNi, FeZn, CrCo, CrNi, and CrZn) oxides have been widely investigated. [26][27][28][29][30] However, studies on the Ba-based DP oxides of Ba 2 B′B″O 6 (B′B″ = FeMn, FeMo, FeRe) are very limited.…”