Abstract
Nano ferrites CuCr0.3Er0.03Fe1.67O4 and CuCr0.3Yb0.03Fe1.67O4 were synthesized using standard ceramic technique. X-ray diffraction (XRD) patterns confirmed that the samples had cubic spinel structures. The average crystallite sizes of Er and Yb samples were in the range of 104.2–100 nm. The morphology analyses using field emission scanning electron microscopy (FESEM), high-resolution transmission electron microscopy (HRTEM) and atomic force microscopy (AFM) confirmed that the samples were in the nanoscale range. The compositional analyses using energy-dispersive x-ray (EDX) showed the atomic percentage (at.%) and weight percentage (wt%) of the investigated samples. The magnetic properties were carried out at room (300 K) and at low (100 K) temperatures magnetic hysteresis loop. The data showed that Er sample had higher saturation magnetization (Ms) and lower coercivity (Hc) than that of Yb sample suggesting that Er sample can be applied in magnetic applications. Moreover, Er sample had higher dielectric constant (ε’), dielectric loss (ε”) and dielectric loss tangent (tan δ) than that of Yb sample. However, Yb sample had higher resistivity than that of Er sample suggesting that Yb sample can be applied in electrical applications.
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El-Bassuony, A.A.H. A Comparative Study of Physical Properties of Er and Yb Nanophase Ferrite for Industrial Application. J Supercond Nov Magn 31, 2829–2840 (2018). https://doi.org/10.1007/s10948-017-4543-1
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DOI: https://doi.org/10.1007/s10948-017-4543-1