以卓越工程师培养目标为导向的材料化学课程改革实践

基于卓越工程师培养目标,以专业综合能力为本,以行业实际技能为核心,面向新材料领域的现状及发展,以金陵科技学院教育部卓越工程师教育培养计划实施专业“材料科学与工程”为例,构建材料化学课程教学的知识体系、实施过程、评价方法。     

N-type GaSb single crystals with high below-band gap transmission

Te-doped GaSb single crystals are studied by measuring Hall effect, infrared(IR) transmission and photoluminescence(PL) spectra. It is found that the n-type GaSb with IR transmittance can be obtained as high as 60% by the critical control of the Te-doping concentration and electrical compensation. The concentration of the native acceptor-associated defects is apparently low in the Te-doped GaSb compared with those in undoped and heavily Te-doped GaSb. The mechanism for the high IR transmittance is analyzed by considering the defect-involved optical absorption process.     

络合剂HEDPA的合成及应用

对HEDPA的合成机理、合成工艺、产品性能及应用进行了一系列的研究,成功地选出了合成HEDPA的最佳工艺,经试验,生产的HEDPA用于医药、染整等行业均有令人满意的效果．