Pure phase Y_(3)Fe_(5)O_(12)(YIG)ceramic was successfully produced by tape-casting forming process and one-step solid-state sintering *** activation energy for densification was calculated to be 183.81 kJ/*** YIG cera...
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Pure phase Y_(3)Fe_(5)O_(12)(YIG)ceramic was successfully produced by tape-casting forming process and one-step solid-state sintering *** activation energy for densification was calculated to be 183.81 kJ/*** YIG ceramic with a relative density as high as 99.8%was *** existence of O vacancy and Fe^(2+)ions was determined by XPS and EPR *** RT saturation magnetization was measured to be 28.2 emu/g,and the hysteresis loss was calculated to be smaller than 10 mJ/kg in the temperature range of 230~360 K and be as high as 238.8 mJ/kg at 30 *** dielectric loss tangent tanδ_(ε)was nearly zero at 6~7 GHz and 11~12 *** complex permeability in the frequency range of 5~18 GHz,the magnetic loss tangent tanδ_(μ)fluctuated at around ***,the low values of tanδ_(ε)and tanδ_(μ)indicate that it is a low loss ceramic material.
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