12. S. Dai, M. C. Burleigh, Y. H. Ju, H. -J. Gao, J. S. Lin, S. J. Pennycook, C. E. Barnes, and Z. L. Xue
"Hierarchically imprinted sorbents for the separation of metal ions"
J. Am. Chem. Soc. 122 (5), 992-993 (2000）

11. S. Dai, Y. H. Ju, H. -J. Gao, J. S. Lin, S. J. Pennycook, and C. E. Barnes
"Preparation of silica aerogel using ionic liquids as solvents"
Chem. Commun. (3), 243-244 (2000).

10. H. -J. Gao, C. L. Chen, B. Rafferty, S. J. Pennycook, G. P. Luo, and C. W. Chu
"Atomic structure of Ba0.5Sr0.5TiO3 thin films on LaAlO"
Applied Physics Letters 75 (17), 2542-2544 (1999).

9. H. -J. Gao, D. Kumar, K. G. Cho, P. H. Holloway, R. K. Singh, X. D. Fan, Y. Yan, and S. J. Pennycook
"Epitaxial growth of Y2O3 : Eu thin films on LaAlO3"
Applied Physics Letters 75 (15), 2223-2225 (1999).

8. H. -J. Gao, K. Sohlberg, Z.Q. Xue, H.Y. Chen, S.M. Hou, L.P. Ma, X.W, Fang, S.J. Pang, and S.J. Pennycook
"Reversible nanometer-scale conductance transitions in an organic complex"
Phys. Rev. Lett. 84, 1780-1783 (2000)

7. D. X. Shi, Y. L. Song, H. X. Zhang, P. Jiang, S. T. He, S. S. Xie, S. J. Pang, and H. -J. Gao
"Direct observation of a local structural transition for molecular recording with scanning tunneling microscopy"
Applied Physics Letters 77 (20), 3203-3205 (2000).

6. D. X. Shi, L. P. Ma, S. S. Xie, and S. J. Pang
"Nanometer-scale data storage on 3-phenyl-1-ureidonitrile thin film using scanning tunneling microscopy"
Journal of Vacuum Science & Technology B 18 (3), 1187-1189 (2000).

5. Y. P. Zhang, Y. S. Gu, X. R. Chang, Z. Z. Tian, D. X. Shi, and X. F. Zhang
"On the structure and composition of crystalline carbon nitride films synthesized by microwave plasma chemical vapor deposition"
Mater. Sci. Eng. B-Solid State Mater. Adv. Technol. 78 (1), 11-15 (2000).

4. Y. P. Zhang, Y. S. Gu, X. R. Chang, Z. Z. Tian, D. X. Shi, X. F. Zhang, and L. Yuan
"Crystalline carbon nitride thin films deposited by microwave plasma chemical vapor deposition"
Chinese Physics 9 (7), 545-549 (2000).

3. Y. P. Zhang, Y. S. Gu, X. R. Chang, Z. Z. Tian, D. X. Shi, X. F. Zhang, and L. Yuan
"Characterization of carbon nitride thin films deposited by microwave plasma chemical vapor deposition"
Surf. Coat. Technol. 127 (2-3), 260-265 (2000).

2. Y. P. Zhang, Y. S. Gu, X. R. Chang, Z. Z. Tian, D. X. Shi, X. F. Zhang, and L. Yuan
"Carbon nitride films deposited on Pt substrates by microwave plasma chemical vapor deposition"
Journal of University of Science and Technology Beijing 7 (1), 42-44 (2000).

1. Y. S. Gu, Y. P. Zhang, X. R. Chang, Z. Z. Tian, N. X. Chen, D. X. Shi, X. F. Zhang, and L. Yuan
"Synthesis and characterization of C3N4 hard films"
Sci. China Ser. A-Math. Phys. Astron. 43 (2), 185-198 (2000).