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Yu-Jen Hsiao a, Yen-Hwei Chang a,∗, Yee-Shin Chang b, Te-Hua Fang c, Yin-Lai Chai d, Guo-Ju Chen e, Tzu-Wei Huang a a Department of Materials Science and Engineering, National Cheng Kung University, Tainan 701, Taiwan b Institute of Electro-Optical and Materials Science, National Formosa University, Yunlin 632, Taiwan c Institute of Mechanical and(More)
Zinc titanate (ZnTiO3) powders of perovskite structure were synthesized by conventional solid state reaction using metal oxides. Powders of ZnO and TiO2 in a molar ratio of 1:1 were mixed in a ball mill and then heated at temperatures from 700 to 1000 ◦C for various time periods in air. The crystallization temperature of ZnTiO3 powder was ∼820 ◦C,(More)
Electric polarization in conventional ferroelectric oxides usually involves nonmagnetic transition-metal ions with an empty d shell. Here we unravel a new mechanism for local electric dipoles based on magnetic Fe<sup>3+</sup> (3d<sup>5</sup>) ion violating the d<sup>0</sup> rule. The competition between the long-range Coulomb interaction and short-range(More)
ZnTiO3 powders and borosilicate glass were made by sol–gel method, and then mixed for co-firing at low temperatures. The results show that the borosilicate glass was liquefied to improve the density of the ceramic during sintering. However, Zn4O(BO2)6 and TiO2 were formed if too much borosilicate glass was added (over 10 wt.%). The microwave dielectric(More)
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