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BaTiO3/p-Si异质结的整流特性和光诱导特性的研究
  • ISSN号：1000-3290
  • 期刊名称：《物理学报》
  • 时间：0
  • 分类：TN315.2[电子电信—物理电子学]
  • 作者机构：[1]西北工业大学,凝聚态结构与性质陕西省重点实验室,空间应用物理与化学教育部重点实验室,西安710072
  • 相关基金：国家自然科学基金（批准号：61078057,51172183,51202195） 陕西省自然科学基金（批准号：2011JM6013,2012JQ8013） 航空基金（批准号：2011ZF53065） 西北工业大学基础研究基金（批准号：JC201155,JC20120246,JC20110270）资助的课题
作者： 杨世海[1], 金克新[1], 王晶[1], 罗炳成[1], 陈长乐[1]
关键词： 异质结, 光诱导效应, BaTiO3薄膜, heterostructure photocarrier injection effect BaTiO3 film
中文摘要：

利用脉冲激光沉积法成功制备了BaTiO3/p-Si异质结,该异质结在80—300K显示出了良好的整流特性和光诱导特性.开启电压随着温度的升高而逐渐降低.利用不同频率的光子辐照样品,观察到明显的光电导效应.且随着照射光子能量的增大,结电流也相应变大,光诱导效应越明显.BaTiO3薄膜电阻-温度（R-T）曲线显示氧缺陷条件下BaTiO3薄膜具有良好的半导体特性.

英文摘要：

A good rectifying behavior is observed in a temperature range from 80 K to 300 K in the BaTiO3 /p-Si heterostructure, which is fabricated by a pulse laser deposition. The diffusion voltage （VD ） decreases with the increase of temperature. A significant photocarrier injection effect is also observed with light irradiation. The photocarrier injection effect increases with the energy of photon increasing. Meanwhile, R-T curve of the BaTiO3 film indicates that the oxygen-deficient BaTiO 3 is an n-type semiconductor.

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期刊信息
  • 《物理学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国物理学会 中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京603信箱(中国科学院物理研究所)
  • 邮编：100190
  • 邮箱：apsoffice@iphy.ac.cn
  • 电话：010-82649026
  • 国际标准刊号：ISSN：1000-3290
  • 国内统一刊号：ISSN：11-1958/O4
  • 邮发代号:2-425
  • 获奖情况:
  • 1999年首届国家期刊奖,2000年中科院优秀期刊特等奖,2001年科技期刊最高方阵队双高期刊居中国期刊第12位
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  • 被引量:49876