| $Nd^{3+}$로 치환된 $Pb(Mg^{1/3}Nb^{2/3})O_3$의 $PbTiO_3$ 첨가에 따른 유전특성과 PbO 휘발 |
| 김성열, 이응상 |
| 한양대학교 무기재료공학과 |
| Effects of $PbTiO_3$ Addition on Dielectric Properties and Extent of PbO Loss in Nd-Doped $Pb(Mg^{1/3}Nb^{2/3})O_3$ System |
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| ABSTRACT |
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Effects of PbTiO3 addition on dielectric properties and extent of PbO loss in Nd-doped Pb(Mg1/3Nb2/3)O3 system were investigated. As the proportion of dopping increased, the phase transition temperature shifted to low region, and the dielectric constant at room temperature decreased rapidly. But as the proportion of PbTiO3 increased, the phase transition temperature shifted to high retion, and the dielectric constant at room temperature increased. The substitution of Nd3+ for Pb2+ decreased the amount of PbO evaporation, therefore the sample sintered well in case of only 1 mole% adding excess PbO. |
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