7Walter A S, Kiyoshi O. Review of literature on aging of dielectrics[J].Ferroelectrics, 1988, 87: 361-377.
8Shrout T R, Huebner W, Randall C A. et al. Aging mechanisms in Pb(Mg1/3Nb2/3)O3-based relaxor ferroelectrics[J]. Ferroelectrics, 1989, 93:361-372.
9Pan W Y, Furman E, Dayton G O, et al. Dielectric aging effects in doped lead magnesium niobate:lead: titanate relaxor ferroelectric ceramics[J]. J Mater Sci Lett, 1986, (5): 647-649.
10Zhang Q M, Zhao J, Cross L E. Aging of the dielectric and piezoelectric properties of relaxor ferroelectric lead magnesium niobate-lead titanate in the electric field biased state[J]. J Appl Phys, 1996, 79(6): 3181-3187.
