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Cd掺杂量对Zn_1-xCd_xO合金带隙的影响

Effect of Cd Content on the Band-gap of Zn_1-xCd_xO Alloys

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【Author】 ZHAO Chao1,WANG Fazhan2,LEI Zhefeng1,ZHANG Guzhong2,LIU Bo1 (1 School of Materials Science and Engineering,Xi’an University of Architecture & Technology,Xi’an 710055; 2 School of Mechanical and Electrical Engineering,Xi’an University of Architecture & Technology,Xi’an 710055)

【机构】西安建筑科技大学材料科学与工程学院；西安建筑科技大学机电工程学院；

【摘要】回顾了国内外Zn1-xCdxO合金带隙研究的发展历程,总结和归纳了近10年来关于Zn1-xCdxO合金中Cd原子分数x与Eg(eV)关系的数据及理论等研究成果。在此基础上,以近10年来文献中的试验数据作为分析样本,考虑多种情况对其进行回归拟合,并对不同拟合方法及Cd含量对Eg的影响进行了深入的分析讨论,建立了Cd含量x与Eg的经验关系式(x-Eg关系式)。与试验值相比,使用新x-Eg关系式预测得到的Eg值与其符合得较好,表明所建立的关系式能比较准确地反映Zn1-xCdxO合金中Cd含量x与Eg之间的关系。更多还原

【Abstract】 Firstly,the domestic and foreign researches on band-gap of ternary Zn1-xCdxO alloys are reviewed.Then the data in the recent 10 years about the effect of the content of Cd(x) on the band-gap energy(Eg) of Zn1-x-CdxO alloys is collected and analyzed.After that,the experimental relationship between Cd content and Eg is obtained by fitting all the collected data and considering different conditions.By comparison with experimental results,the fitting results are in good agreement with those published in the literatures,indicating that the results can reflect the relationship between Cd content and Eg of Zn1-xCdxO alloys.更多还原