Liu Z-R, Liu J-S, Gu B-L, Zhang X-W. Cluster-variation-method studies on the atomic ordering in complex perovskite alloys. Physical Review B - Condensed Matter and Materials Physics. 2000;(18):11918-11921.

Liu Z-R, Gu B-L, Zhang X-W. Eight-potential-well order-disorder ferroelectric model and effects of random fields. Applied Physics Letters. 2000;(21):3447-3449.

Liu Z-R, Gu B-L, Zhang X-W. Effects of ac field amplitude on the dielectric susceptibility of relaxors. Physical Review B - Condensed Matter and Materials Physics. 2000;(1):1-4.

Lü R, Zhu J-L, Liu Z-R, Chang L, Gu B-L. Spin tunnelling of trigonal and hexagonal ferromagnets in an arbitrarily directed magnetic field. Journal of Physics Condensed Matter. 2000;(20):4503-4522.

Zhang X-W, Liu X, Liu Z-R, Gu B-L. Dielectric nonlinearity of relaxor ferroelectric ceramics at low alternating-current-drive amplitudes. Journal of Physics Condensed Matter. 2000;(27):5929-5937.