Fe_3O_4-Si侧向光伏特性的研究STUDY ON LATERAL PHOTOVOLTAIC PROPERITIES IN Fe_3O_4-Si STRUCTURE
王先杰,宋炳乾,张宇
摘要(Abstract):
文章介绍利用脉冲激光沉积技术在单晶(100)Si衬底上生长出高质量的Fe3O4择优取向(111)薄膜,并对其侧向光伏特性作了详细研究,尤其是侧向光伏电压的位置关系及其与薄膜厚度、激光的功率的关系.实验结果表明,Fe3O4(20nm)-Si结构的侧向光伏电压值最大,其位置灵敏度高达26.32mV·mm-1,而且出现垂直位移的情况下,其位置灵敏度在减小,对应着非线性度也增大;Fe3O4薄膜厚度的增大不利于提高其位置灵敏度,但激光功率的增大有助于增大其位置灵敏度.
关键词(KeyWords): Fe3O4;侧向光伏;半导体
基金项目(Foundation): 教育部高等学校大学物理课程教学指导委员会2014高等学校教学研究项目(DWJZW201402db);; 黑龙江高等学校教改工程项目(JG2014010706)
作者(Author): 王先杰,宋炳乾,张宇
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