참고문헌
- M. Valant, D. Suvorov, R. C. Pullar, K. Sarama, and N. M. Alford, "A Mechanism for Low-temperature Sintering," J. Eur. Ceram. Soc., 26 2777-83 (2006). https://doi.org/10.1016/j.jeurceramsoc.2005.06.026
- G. Desgardin, P. Bajolet, and B. Raveau, "Barium Titanate Perovskite Sintered with Lithium Fluoride," J. Am. Ceram. Soc., 66 [11] 801-7 (1983). https://doi.org/10.1111/j.1151-2916.1983.tb10566.x
-
J. Qi, W. Chen, H. Wang, Y. Wang, L. Li, H. Lai, and W. Chan, "Low Temperature Sintering Behavior of
$B_2O_3$ Vapor in$BaTiO_3$ -based PTCR Thermistors," Sens. Act. A. 116 215- 18 (2004). https://doi.org/10.1016/j.sna.2004.03.064 -
D. A. Tolino and J. B. Blum, "Effect of Ba:Ti Ratio on Densification of LiF-Fluxed
$BaTiO_3$ ," J. Am. Ceram. Soc., 68 [11] 292-94 (1985). - M. J. Lee, B. N. Kim, J. H. Hwang, J. H. Kim, S. C. Park, and J. B. Song, "The Electrical Properties of the Laminated PTC Thermistor for Micro Circuit Protection as a Function of Starting Material and Sr addition," J. Kor. Ceram. Soc., 48 [6] 525-30 (2011). https://doi.org/10.4191/kcers.2011.48.6.525
-
Y. K. Chung and S. C. Choi, "Effects of the Re-oxidation Temperature and Time on the PTC Properties of Sm-doped
$BaTiO_3$ ," J. Kor. Ceram. Soc., 46 [3] 330-35 (2009). https://doi.org/10.4191/KCERS.2009.46.3.330 -
J. G. Kim and J. G. Ha, "Preparation of Porous
$BaTiO_3$ -based ceramics by High Energy Ball-milling Process," Mater. Lett., 60 1505-508 (2006). https://doi.org/10.1016/j.matlet.2005.11.061 - C. K. Liang and C. C. Tsai, "Evaluation of a Novel PTC Thermistor for Telecom Overcurrent Protection," Sens. Act. A, 121 443-49 (2005). https://doi.org/10.1016/j.sna.2005.04.005
-
I. C. Ho and S. L. Fu, "Effect of Reoxidation on the Grain- Boundary Acceptor-State Density of Reduced
$BaTiO_3$ Ceramics," J. Am. Ceram. Soc., 75 [3] 728-30 (1992). https://doi.org/10.1111/j.1151-2916.1992.tb07869.x -
S. K. Jo and Y. H. Han, "Effects of Reoxidation Process on Positive Temperature Coefficient of Resistance Properties of Sm-doped
$Ba_{0.85}Ca_{0.15}TiO_3$ ," Jpn. J. Appl. Phys., 46 [3A] 1076-80 (2007). https://doi.org/10.1143/JJAP.46.1076 -
H. M. Al-Allak, G. J. Russel, and J. Woods, "The Effect of Annealing on the Characteristics of Semiconducting
$BaTiO_3$ Positive Temperature Coefficient of Resistance Devices," J. Phys. D:Appl. Phys., 20 [12] 1645-51 (1987) https://doi.org/10.1088/0022-3727/20/12/016 -
H. J. Kwon, J. S. Lee, Y. S. Lee, D. K. Lee, and Y. H. Lee, "The Electrical Charateristics of the Grain Boundary in a
$BaTiO_3$ PTC Thermistor," J. Sens. Sci. & Tech., 1 [1] 67-75 (1992). - V. Shut, S. Kostomarov, and A. Gavrilov, "PTCR Barium Titanate Ceramics Obtained from Oxalate-derived Powders with Varying Crystallinity," J. Mater. Sci., 43 52517-57 (2008).
- M. Kuwabara, "Influence of Stoichiometry on the PTCR Effect in Semiconducting Barium Titanate Ceramics," J. Am. Ceram. Soc., 64 C170-71 (1981).
-
J. G. Kim, W. S. Cho, and K. Park, "PTCR Characteristics in Porous (Ba,Sr)
$TiO_3$ Ceramics Produced by Adding Partially Oxidized Ti Powders," Mater. Sci. Eng., B 77 255-60 (2000). https://doi.org/10.1016/S0921-5107(00)00496-7