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- Hsiu-Fung Cheng, Yi-Chun Chen, H. L. Liu , Luu-Gen Hwa, and I-Nana Lin, “ Correlation of microwave dielectric properties and crystallinity for pulsed laser deposited Ba2 (Zn1/3 Nb2/3 )O7 thin films”, Journal of the European Ceramic Society 24, 1791-1794 (2004). 
- S. M. Rao, M. K. Wu, J. K. Srivastave, B. H. Mok, C. Y. Lu, Y.C. Liao, Y.Y. Hsu, Y. S. Hsiue, Y. Y. Chen, S. Neeleshwar, S. Tsai, J.C. Ho, and H. L. Liu , “ Magnetic and superconducting behaviors of doped and undoped double perovskite Ba2 PrRuO6 ”, Physics Letters A 324, 71-81 (2004). 
- Y.-R. Ma, K.-W. Cheng, C.-H. Shee, C.-C. Tsai, C.-L. Cheng, H. L. Liu , M. S. Wong, Y. Liou, and Y.-D. Yao , “ Effect of field power on growth of multiwall carbon nanotubes,” Journal of Magnetism and Magnetic Materials 282, 61-64 (2004). 
- Yi-Chun Chen, Hsiu-Fung Cheng, Chia-Chi Lee, Chih-Ta Chia, H. L. Liu , and I-Nana Lin, “ Correlation of microwave dielectric properties and normal vibration modes of Ba2 (Mg1/3 Ta2/3 )O3 -seriesmaterials”, Journal of Electroceramics 13, 271-275 (2004).