YANG Changhui, ZHOU Xiaoli, XU Gang, et al. J Chin Ceram Soc, 2006, 34(6): 753-756.
[4]
WANG C, ZHANG L W. Surface-layer effect in CaCu3Ti4O12 [J]. Appl Phys Lett, 2006, 88(4): 042906（1-4）.
[5]
LIU J J, DUAN G G, MEI W N, et al. Dielectric properties and Maxwell-Wagner relaxation of compounds ACu3Ti4O12 (A=Ca, Bi2/3,Y2/3,La2/3) [J]. J Appl Phys, 2005, 98(3): 093703（1-6）.
[6]
LI T, CHEN Z P, CHANG F G, et al. The effect of Eu2O3 doping on CaCu3Ti4O12 varistor properties [J]. J Alloy Compd, 2009, 484(1-2): 718-722.
[7]
ZHENG Q, FAN H. Influence of fabrication parameters on the phase formation and dielectric properties of CaCu3Ti4O12 ceramics [J]. J Mater Sci Tech, 2012, 28(10): 920-926.
[8]
MACEDO P B, MOYNIHAN C T, BOSE R, et al. Role of ionic diffusion in polarization in vitreous ionic conductors [J]. Phys Chem Glasses, 1972, 13(7): 171-179.
[9]
ZHANG L. Electrode and grainboundary effects on the conductivity of CaCu3Ti4O12 [J]. Appl Phys Lett, 2005, 87(2): 022907(1-3).
[10]
BIDAULT O, GOUX P, KCHIKECH M, et al. Spacecharge relaxation in perovskites [J]. Phys Rev B, 1994, 49(12): 78687873.
[11]
SHANNON R D. Revised effective ionic and systematic studies of interatomic distances in halides and chalcogenides [J]. Acta Cryst A, 1976, 32(5): 751-767.
[12]
ZHENG Q, FAN H, LONG C. Microstructures and electrical responses of pure and chromium-doped CaCu3Ti4O12 ceramics [J]. J Alloy Compd, 2012, 511(1): 90-94.
