主要是对稀土硫氧化钇（Ｙ２Ｏ２Ｓ）作定硫传感器关键材料的可行性分析－ 采用高温气固相反应，研究得到了较高纯度的Ｙ２Ｏ２Ｓ，用Ｘ光粉末衍射，定性分析了粉末的组成，并依据ＦｅＲＥ 相图，计算了稀土钇的硫化物、氧化物、硫氧化物与铁二元溶液中的热力学性质，同时对一些可能作为定硫传感器材料的硫化物和硫氧化物作了比较系统的热力学计算，通过对比，得出了Ｙ２Ｏ２Ｓ作定硫传感器材料，在理论上是可行的 Mainly on the rare earth sulfur yttrium oxide (Y2O2S) as the key material for sulfur sensor feasibility analysis - the use of high temperature gas  solid phase reaction, the study obtained higher purity Y2O2S, X-ray powder diffraction, qualitative analysis of the composition of the powder , And based on the Fe  RE phase diagram, calculate the thermodynamic properties of the rare earth yttrium sulfide, oxides, sulfur oxides and iron binary solution, while some may be used as sulfur sensor sulfur sulfide and sulfur oxide material A more systematic calculation of thermodynamics, through the comparison, drawn Y2O2S sulfur sensor material, in theory is feasible