Microwave dielectric properties of ATiO(3) (A = Ni, Mg, Co, Mn) ceramics
Relationships between structural characteristics and microwave dielectric properties of ATiO(3) (A = Ni, Mg, Co, Mn) with ilmenite structure were investigated. The oxygen octahedral distortion was dependent on the type of A-site ions which affected to the temperature coefficient of the resonant freq...
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| Veröffentlicht in: | Journal of the European Ceramic Society 2010-01, Vol.30 (2), p.341-346 |
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| container_title | Journal of the European Ceramic Society |
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| creator | Kim, Eung Soo Jeon, Chang Jun |
| description | Relationships between structural characteristics and microwave dielectric properties of ATiO(3) (A = Ni, Mg, Co, Mn) with ilmenite structure were investigated. The oxygen octahedral distortion was dependent on the type of A-site ions which affected to the temperature coefficient of the resonant frequency (TCF) of ATiO(3) ceramics. The quality factor (Qf) of ATiO(3) (A = Mn, Ni, Co) specimens was appreciably lowered than that of MgTiO(3) specimens due to the degree of covalency of cation-oxygen ion bond and the ordering of A-site ions. Also, the dielectric constant (K) was dependent on the electronic oxide polarizabilities of ATiO(3) ceramics. |
| doi_str_mv | 10.1016/j.jeurceramsoc.2009.08.017 |
| format | Article |
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| source | Elsevier ScienceDirect Journals |
| title | Microwave dielectric properties of ATiO(3) (A = Ni, Mg, Co, Mn) ceramics |
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