Reversal magnetization dependence with the Cr and Fe oxidation states in YFe1−Cr O3 (0≤x≤1) perovskites

Fabian, F.A.; Pedra, P.P.; Moura, K.O.; Duque, Juan G.; Meneses, C.T.

doi:10.1016/j.jmmm.2016.02.029

Cited by 7 publications

(2 citation statements)

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“…With increasing the temperature, the hysteresis loop gets suppressed gradually and disappears between 170 and 230 K. For temperatures above 230 K, linear behavior is observed as a function of field. These results are consistent with the previous reports [19,22,23,32]. The M-T curve also features a magnetization reversal at around 250 K, which was also observed in other studies.…”

Section: Resultssupporting

confidence: 93%

“…Such an electron-transfer process may be influenced by the superexchange and DM interactions through the slight change of the angle between Fe 2+ /Cr 2+ and Fe 3+ /Cr 3+ at the onset of magnetic ordering. In fact, studies for YFe 1−x Cr x O 3 by x-ray absorption near-edge spectroscopy measurements indicate the mixed-valence states of Cr and Fe ions in the lattice [32]. X-ray photoelectron spectrometry and Mössbauer spectral studies on YFeO 3 single crystal also support such a scenario [14].…”

Section: Resultsmentioning

confidence: 94%

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Characterization of magnetic symmetry and electric polarization of YCr0.5Fe0.5O3

et al. 2020

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We investigate the magnetic structure and the electric properties of YCr 0.5 Fe 0.5 O 3 , which was earlier reported to feature ferroelectricity from nonequivalent spins due to the cation disorder. We find a centrosymmetric magnetic order at all temperatures below T N , which is incompatible with magnetically induced ferroelectricity. Our dielectric and pyroelectric studies also do not support intrinsic ferroelectricity in this system.

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Section: Resultssupporting

confidence: 93%

Section: Resultsmentioning

confidence: 94%