Zn 0.95 x Mn 0.05 Cux O稀释磁性半导体的水热合成与表征

Optical Technology, Semiconductor Materials, and Devices Pub Date : 2023-02-14 DOI:10.1117/12.2668442

Huiqin Li, Hui Lei, Lihua Wu, Shumei Dou, Fan Huang, Hongge Zhang

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引用次数: 0

摘要

本文采用水热法制备了不同摩尔比的Cu和Mn离子掺杂ZnO，温度为200℃，反应时间为24小时。合成了不同掺杂比例的Zn0.95-xMn0.05CuxO粉体。得到了zn0.93 mn0.05 cu0.020、zn0.89 mn0.05 cu0.060、Zn0.85Mn0.05Cu0.10O和Zn0.80Mn0.05Cu0.15O粉末。XRD测试表明，在Cu2+:Mn2+=6:5 (Zn 0.89 mn0.05 cu0.060 o)时，四种样品均掺杂Cu2+和Mn2+，粉末CuO和Mn3O4的峰值强度最高。能谱分析表明，它含有Zn、Cu和O元素。SEM显示，不同掺杂比例得到的产物晶体结构不同，既有形状类似盒状和絮凝体的规则晶体，也有不规则的片状晶体，以及非常致密的微小晶体，在Cu2+:Mn2+=6:5时可见。

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Hydrothermal synthesis and characterization of Zn 0.95-x Mn 0.05 Cux O diluted magnetic semiconductor

In this paper, ZnO doped with Cu and Mn ions with different molar ratios were prepared by hydrothermal method at 200 ℃ for 24 hours. Zn0.95-xMn0.05CuxO powders with different doping ratios were synthesized. Zn0.93Mn0.05Cu0.02O, Zn0.89Mn0.05Cu0.06O, Zn0.85Mn0.05Cu0.10O and Zn0.80Mn0.05Cu0.15O powders were obtained. XRD tests showed that all four samples were incorporated Cu2+ and Mn2+ at Cu2+:Mn2+=6:5 (Zn 0.89Mn0.05Cu0.06O) powder CuO and Mn3O4 peak strength are the highest. The EDS spectra show that it contains Zn, Cu, and O elements. SEM shows that the crystal structure of the product obtained by different doping ratios is different, where there are both regular crystals with shapes similar to boxes and flocs, irregular flakes, and very compact tiny crystals, which can be seen at Cu2+:Mn2+=6:5.

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Optical Technology, Semiconductor Materials, and Devices

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