Robustness in Coupling between Iron and Rare Earth Spins in Rare Earth Orthoferrites

Abstract:

We report on very accurate magnetic measurements on large rare earth orthoferrites single crystals of ErFeO₃ and NdFeO₃. Our results show that the interaction between rare earth and iron spin system does not change during the spin-flip process. This implies that the coupling between the iron and rare earth spin systems is robust enough to withstand the effects of spin flipping against the magnetic anisotropy energy. This is despite rare eath ions, polarized by the ordered iron ions, being in partly metastable state and their magnetic moment decays with time.

• Periodical: Materials Science Forum (Volume 985)
• Pages: 29-34
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.985.29
• Online since: April 2020
• Authors: Mohanad Hazim Mohammed*, Joseph Horvat, Zhen Xiang Cheng, Shi Xun Cao
• Keywords: Rare Earth Orthoferrites, Spintronic Materials

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