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Dr.Congxiao Liu


Dr. Congxiao Liu
Assistant Professor of Mathematics
Office: CH 218
Phone: 256-372-4836
Email: congxiao.liu@aamu.edu

Education

The University of Alabama, Mathematics, Ph. D. 2008.
The University of Alabama, Physics, Ph. D. 2001.
Peking University, Physics , M.S. 1995.
Jilin University, Physics, B. S. 1989.

Employment


Tenure-Track Assistant Professor, Alabama A & M University, Huntsville, AL, 2008 – Present.
Instructor, The University of Alabama, Tuscaloosa, AL, 2006 – 2008.

Research Interest

Mathematical Analysis; Micromagnetic Modeling; Exchange Bias; Magnetic Semiconductors; Permanent Magnets; Magnetic Devices



Publications

Analysis on the local structure and its implication on the magnetic properties of Si1_xMnx thin films Tiecheng Li, Liping Guo, Congxiao Liu, Jihong Chen, Guoliang Peng, Fengfeng Luo, Zheng Jiang, Yuying Huang, Mater. Sci. Semicond. Process. 21, 1 (2014).


Effect of annealing temperature on the ferromagnetism of Co-implanted silicon, Jihong Chen, Fengfeng Luo, Tiecheng Li, Zhongcheng Zheng, Shuoxue Jin, Zheng Yang, Liping Guo, Congxiao Liu, Nucl. Instr. Meth. B 307, 404 (2013).


Enhancement of room temperature ferromagnetism in Mn-implanted Si by He implantation, Jihong Chen, Liping Guo, Congxiao Liu, Fengfeng Luo, Tiecheng Li, Zhongcheng Zheng, Shuoxue Jin, and Zheng Yang, Appl. Phys. Lett. 101, 132413 (2012).


Annealing temperature effects on ferromagnetism and structure of Si1-xMnx films prepared by magnetron sputtering, Tiecheng Li, Liping Guo, Congxiao Liu, Guoliang Peng, Bo He, Zhiyun Pan, Zhongpo Zhou, Shuigang Xu, Zuci Quan, Vacuum, Vol 86, Iss 9, Pgs 1358-1362 (2012).


Effect of Anisotropy Asymmetry on the Switching Behavior of Exchange Biased Bilayers, Congxiao Liu, Matthew E. Edwards, Min Sun, and J. C. Wang, Applied Mathematical Sciences 5, 2195 – 2206 (2011).

Enhancement of saturation magnetization in Cr-ion implanted silicon by high temperature annealing, Shuang Yang, Wenyong Zhang, Jihong Chen, Zhongpo Zhou, Zhiwei Ai, Liping Guo, Congxiao Liu, Honglin Du, Appl. Surf. Sci 257, 8465 (2011).


 Approximation of Apery’s Constant, Karim, M. R., Liu, C., International Journal of Academic Research, vol. 2, No. 6. (9 - 12), November, 2010.

Tune the Sequence  with the Parameter c, Liu, C., Karim, M. R., and C. Jordan, International Journal of Academic Research, vol. 2, No. 5. (11 – 17), September, 2010.

Precalculus Algebra: Original Purpose – Its Relevancy to Students’ Needs – and Some Suggestions, Karim, M. R., Leisher, D., and Liu, C., KBM Journal of Science Education, 1(2): 19 – 23 (2010).

Study of Si-based diluted magnetic semiconductors prepared by ion implantation, Z. L. Ouyang, H. Y. Chen, C. X. Liu, L. P. Guo, M. Li, Z. Ye, X. Shi, Z. W. Ai, T. Peng, D. J. Fu, and H. L. Du, Proceedings of 2008 National Conference on Charged Particles and Particle Resources in China, 251 (2008).

The complementary nature of coercivity enhancement and exchange bias in a general ferro-antiferromagnet (F-AF) exchange coupled system, Congxiao Liu, Hideo Fujiwara, and Min Sun, J. Appl. Phys. 101, 09E520 (2007).

Calibration of magnetic force microscopy using micron size straight current wire, Congxiao Liu, Kingston Lin, Rich Holmes, Gary J. Mankey, Hideo Fujiwara, Huaming Jiang, and Hae Seok Cho, J. Appl. Phys  91, 8849 (2002).

Study of exchange anisotropy for Ni80Fe20/Fe60Mn40 (111) epitaxial films, Congxiao Liu, Jianhua Du, J. A. Barnard, and G. J. Mankey, J. Vac. Sci. Technol. A 19, 1213 (2000).

Epitaxial growth and magnetic properties of Ni80Fe20/Fe60Mn40 bilayers on H-Si(110) using a Cu buffer layer, Congxiao Liu, Chengtao Yu, Huaming Jiang, and G. J. Mankey, IEEE Trans. Magn.36, 2896 (2000).

Effect of interface roughness on the exchange bias for NiFe/FeMn, Congxiao Liu, Chengtao Yu, Huaming Jiang, Liyong Shen, C. Alexander, and G. J. Mankey, J. Appl. Phys. 87, 6644 (2000).

Growth of ultrathin Co/Cu/Si(110) films, S. Maat, C. Liu, W. Eads, M. T. Umlor, and G. J. Mankey, J. Vac. Sci. Technol. A 18, 1278 (2000).

Effect of ultra-thin Cu underlayer on the magnetic properties of Ni80Fe20/Fe50Mn50 films, C. Liu, L. Shen, H. Jiang, D. Yang, G. Wu, C. Alexander, and G. J. Mankey, Mater. Res. Soc. Proc. 562, Polycrystalline Metal and Magnetic Thin Films (1999).

Neutron diffraction study of Nd5Fe17, Chin Lin, Cong-Xiao Liu, Yun-Xi Sun, Zun-Xiao Liu, Dong-Feng Chen, Cheng Gou, Kai Sun, Ji-Lian Yang, J. Magn. Magn. Mater. 186, 129 (1998).

Magnetic properties of (Nd,Sm)5Fe17, Chin Lin, Cong-Xiao Liu, Yun-Xi Sun and Zun-Xiao Liu, J. Phys.: Condens. Matter 9, 9353 (1997).

Magnetic properties of (Nd0.9R0.1)5Fe17 with R=Sm, Gd, and Y, Cong-Xiao Liu, Yun-Xi Sun, Zun-Xiao Liu, and Chin Lin, J. Appl. Phys. 76, 6766 (1994).