R. K. Zheng, C. F. Zhu, J. Q. Xie, and X.-G. Li, Structural change and charge ordering correlated ultrasonic anomalies in La_1-xCa_xMnO₃ (x=0.5, 0.83) perovskite, Phys. Rev. B 63(2001) 024427

G. Li, G.-G. Hu, H.-D. Zhou, X.-J. Fan, and X.-G. Li, Absorption of microwaves in La_1-xSr_xMnO₃ manganese powders over a wide bandwidth, J. Appl. Phys. 90 (2001) 5512

J. H. Zhang, N. B. Ming, X. G. Li, Crystalline orientation effects on the electronic transport properties of LaMnO_y thin films, J. Appl. Phys. 90 (2001)4877.

X. Zhao, X. F. Sun, L. Wang, W. B. Wu, and X.-G. Li, Thermopower of Bi₂Sr₂Ca_1-xR_xCu₂O_y(R = Gd, Pr) single crystals, J. Phys.: Condens. Matter 13(2001)4303.

H.-D. Zhou, G. Li, H. Chen, R.-K. Zheng, X. J. Fan and X.-G. Li, The Jahn-Teller effect and electron-phonon interaction in La_0.25Ca_0.75Mn_1-xCr_xO₃, J. Phys.: Condens. Matter 13(2001)6195.

R. K. Zheng, C. F. Zhu, and X.-G. Li, Magnetic field dependent on ultrasonic sound velocity and attenuation in charge-ordering manganese oxide La_0.5Ca_0.5MnO₃, Phys. Stat. Sol. (a) 184(2001)251

Y.L. Tang, N.L. Chen, X. N. Xu, D.W. Lu, X. Jin, X. F. Sun and X.G. Li, Magnetic hysteresis and pinning characteristics of a single crystal Bi₂Sr₂CaCu₂O_8+δ sample, Phys. Stat. Sol. (a) 184(2001)225.

Q. Q. Fang, Y. M. Liu, P. Yin, X. G. Li, Magnetic properties and formation of Sr ferrite nanoparticle and Zn, Ti/Ir substituted phases, J. Magnetism and Magnetic Materials 234 (2001) 366-370

S. J. Feng, X.-G. Li, Magnetic Field Dependence of Penetration Depth of Optically Doped Bi₂Sr₂CaCu₂O_8+δ Single Crystal, phys. stat. sol. (b) 228, No. 3, 711-716 (2001)