自2000年以来在郑州大学河南省高温功能材料重点实验室工作，研究方向主要为洁净钢冶炼用钢包新型耐火材料、非氧化物复合材料、高效节能隔热材料，

Haijun zhang,Zhichao liu, Chengliang Ma, Xi yao. Complex permittivity, permeability, and Microwave absorption of Zn-substituted （11）Chengliang Ma，Fangbao Ye，Tiezhu Ge，Xiangchong Zhong. Study on Fractal Characteristics of Slag Corrosion Interface Topography of Magnesia-Based Castables, Proceedings of UNITECR 2005 Congress, Orlando,USA 2005．11: 232-236barium ferrite by citrate sol-gel process. Materials Science and engineering，2002，B96:289-295 （SCI/EI均收录，EI:02517285695） (7) Haijun zhang,Zhichao liu, Chengliang Ma, Xi yao.Preparation and microwave properties of Co- and Ti-doped barium ferrite by citrate sol-gel process. Materials Chemistry and Physics，2003, 80:129-134 （SCI收录）