通过交替生长气氛调控N掺杂ZnO薄膜电学特性

赵鹏程; 张振中; 姚斌; 李炳辉; 王双鹏; 姜明明; 赵东旭; 单崇新; 刘雷; 申德振

doi:10.3788/fgxb20143504.0399

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通过交替生长气氛调控N掺杂ZnO薄膜电学特性

材料合成及性能 | 更新时间：2020-08-12

- 通过交替生长气氛调控N掺杂ZnO薄膜电学特性
- p-type Doping of ZnO：N Thin Fims by Alternating The Growth Atmosphere
- 发光学报 2014年35卷第4期页码：399-403
- 作者机构：
  
  1. 吉林大学物理学院,吉林长春,130021
  2. 发光学及应用国家重点实验室中国科学院长春光学精密机械与物理研究所,吉林长春,130033
  3. 中国科学院大学北京,100049
- 作者简介：
- 基金信息：
  
  国家"();973"();计划（2011CB302002，2011CB302005）();国家自然科学基金（10974197，11104265）资助项目
- DOI：10.3788/fgxb20143504.0399
  中图分类号： O484.4
- 收稿日期：2013-09-25，
  
  修回日期：2014-02-17，
  
  网络出版日期：2014-01-28，
  
  纸质出版日期：2014-04-03
- 稿件说明：
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赵鹏程, 张振中, 姚斌等. 通过交替生长气氛调控N掺杂ZnO薄膜电学特性[J]. 发光学报, 2014,35(4): 399-403

ZHAO Peng-cheng, ZHANG Zhen-zhong, YAO Bin etc. p-type Doping of ZnO：N Thin Fims by Alternating The Growth Atmosphere[J]. Chinese Journal of Luminescence, 2014,35(4): 399-403
赵鹏程, 张振中, 姚斌等. 通过交替生长气氛调控N掺杂ZnO薄膜电学特性[J]. 发光学报, 2014,35(4): 399-403 DOI： 10.3788/fgxb20143504.0399.

ZHAO Peng-cheng, ZHANG Zhen-zhong, YAO Bin etc. p-type Doping of ZnO：N Thin Fims by Alternating The Growth Atmosphere[J]. Chinese Journal of Luminescence, 2014,35(4): 399-403 DOI： 10.3788/fgxb20143504.0399.

摘要

使用分子束外延方法在

面蓝宝石衬底上生长了系列氮掺杂ZnO薄膜样品。在连续的富锌气氛环境中生长的样品，由于存在大量的施主缺陷，呈现n型电导。为了抑制施主缺陷带来的补偿效应，在生长过程中，通过周期性补充氧气，形成周期性的富氧气氛，缓解了氮掺杂浓度和施主缺陷浓度之间的矛盾。光致发光测量表明，通过交替生长气氛，氧空位和锌间隙等缺陷在薄膜中得到了显著抑制。通过交替生长气氛生长的外延薄膜的结晶质量也有所提高。样品显示出重复性较高的p型电导，载流子浓度可达到10

-3

。周期性补氧调节生长气氛的生长方式是一种有效实现p型掺杂ZnO的方法。

Abstract

A series of nitrogen-doped zinc oxide (ZnO:N) thin films were grown on

-plane sapphire substrate by plasma-assisted molecular beam epitaxy. Due to the large number of donor defects

the samples grown in the continuous zinc-rich atmosphere showed n-type conductivity. In order to suppress the compensation effect caused by donor defects

by periodically supplying oxygen during the growth and then alternating the growth atmosphere in the growth process

the conflict between nitrogen doping level and intrinsic defects was relaxed partly. Compared to the case without supplying oxygen

the crystal quality of the thin films was improved. And the photoluminescence measurements showed that the oxygen vacancy and the zinc interstitial defects in the thin films were suppressed significantly. The samples showed a high repeatability of p-type conductivity. The carrier concentration of the samples grown by alternating the growth atmosphere can reach 10

-3

. This may be an effective method to realize the p-type doped ZnO.

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Keywords

references

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