Effect of Heat Treatments on the PTCR of $BaTiO_3$ Ceramics Doped by $Nb^{+5}$
($Nb^{+5}$ Doped $BaTiO_3$ 계에서 열처리가 PTCR 현상에 미치는 영향)
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- Journal of the Korean Ceramic Society
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- v.22 no.5
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- pp.54-60
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- 1985