Abstract
Single-crystalline DyFe1−x Mn x O3 perovskites with the nominal Mn contents of x = 0.2, 0.5, and 0.7 were grown successfully. The solid solutions have an orthorhombic structure with space group Pbnm. Magnetic susceptibilities at different crystallographic axes show a large magnetic anisotropy, primarily originating from the large spin-orbit coupling of the Dy moment. For DyFe0.8Mn0.2O3, a room-temperature weak ferromagnetism is confirmed along the c-axis. A spin reorientation transition occurs at T SR ≈ 225 K, below which the canted weak ferromagnetic moment disappears. The application of a high magnetic field (µ0H ≥ 6 T) along the c-axis at T = 200 K unveils a hidden field-induced weak ferromagnetism, which probably has the same spin configuration as that above T SR ≈ 225 K.
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Cho, K., Park, S. Field-induced weak ferromagnetism in single-crystalline DyFe0.8Mn0.2O3 . Journal of the Korean Physical Society 63, 1–4 (2013). https://doi.org/10.3938/jkps.63.1
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DOI: https://doi.org/10.3938/jkps.63.1