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In掺杂ZnO超晶格光学性质的研究
  • ISSN号：1000-3290
  • 期刊名称：Acta Physica Sinica
  • 时间：2012
  • 页码：372-377
  • 分类：O484.41[理学—固体物理;理学—物理]
  • 作者机构：[1]济南大学物理学院,济南250022
  • 相关基金：国家自然科学基金（批准号：61172028）、山东省自然科学基金（批准号：ZR2010EL017）、山东省科学技术计划发展项目（批准号：2009GG2003028）和济南大学博士基金（批准号：xbs01043）资助的课题.
  • 相关项目：缺陷对SnO2低维纳米材料的磁性影响机理研究
作者： 冯现徉|逯瑶|蒋雷|张国莲|张昌文|王培吉|
关键词： 超晶格, 能带结构, 态密度, 光学性质, superlattice, band structure, density of state, optical property
中文摘要：

采用基于第一性原理的线性缀加平面波方法,计算了超晶格ZnO掺In的光学性质.计算结果表明,掺入In元素后Fermi能级进入导带,介电函数、吸收系数、折射率、反射率都在Fermi面附近产生新的跃迁峰.随着掺杂层数的增多,跃迁峰发生红移,当掺杂两层In时跃迁峰峰值最大,同时吸收系数的吸收边随掺杂层数的增多而逐渐减小.与In掺杂ZnO超晶胞相比,ZnO超晶格在可见光范围内具有高透过率的特点.

英文摘要：

According to the full-potential linearized augmented plane wave method, we calculate the optical properties of In-doped superlattices ZnO. The results reveal that the Fermi energy level enters into the conduction band after doping In. Dielectric function, absorption, refractive index, reflectivity are found to each have a new transition peak near the Fermi energy level. With the increase of the concentration, this transition peak shifts toward the low energy and the spectrum of the peak is the biggest for the two-layer doping case. The optical absorption edge decreases with the increase of doping concentration. Compared with In-doped ZnO supercell, ZnO superlattice has a high transmissivity in the visible light range.

同期刊论文项目
SnO2低维纳米结构的设计、合成与光电性质研究
期刊论文 58
缺陷对SnO2低维纳米材料的磁性影响机理研究
期刊论文 42
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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