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Preparation of Manganese-doped ZnSe Precursor Nanoribbon Bundles andInvestigation of its Magneto-optical Properties
Yuan-yuan Zhang,Jia-fu Chen*,Xu-sheng Zheng,Xue-hui Dong
Author NameAffiliationE-mail
Yuan-yuan Zhang Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026, China  
Jia-fu Chen* Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026, China jfchen@ustc.edu.cn 
Xu-sheng Zheng Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026, China  
Xue-hui Dong Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026, China  
Abstract:
Mn2+-doped ZnSe ethylenediamine-intercalated precursor nanoribbon bundles (MnxZn1-xSe·en3, en=ethylenediamine) were prepared through an improved solvothermal route, which is time-saving and more efficient compared with the traditional route. XPS, TGA, and FESEM were used to characterize morphology and composites of the precursor and it was proved that the doping process was successful. Electron paramagnetic resonance and photoluminescence (PL) spectra were used in a detailed experiment to characterize and study the Mn2+ doping state and Mn2+-Mn2+ interaction in MnxZn1-xSe·en3. Six well-resolved hyperfine lines, which are attributed to the Mn2+ allowed transition imply that the Mn ions were embedded inside MnxZn1-xSe·en3 lattices and partly replaced Zn. As shown in PL spectrum; the introduction of Mn2+ strongly increases the intensity of the PL peak. The internal Mn transition (4T1 →6A1), which strongly increases the peak intensity depends on the average number of Mn atoms in the nanoparticals. As the Mn-doped concentration increases, the PL peak intensity is enhanced. A series of samples with different Mn-doping concentrations were prepared and studied. Combining the EPR results with PL spectra of the samples prepared, it is believed that under conditions of heating 40 h at 180 ℃ and controlling Mn2+
Key words:  Manganese-doping, Hyperˉne structure, Photoluminescence, ZnSe, DMS
FundProject:the National Natural Science Foundation of China (No.20621061 and No.20473082), and the Anhui Provincial Natural Science Foundation (070414195)
Mn掺杂ZnSe前驱体纳米带的制备及其磁光性质
张媛媛,陈家富*,郑旭升,董学会
摘要:
采用了改进的水热途径制备稀磁半导体Mn掺杂ZnSe前驱体纳米带MnxZn1-xSe?en3 (en=ethylenediamine). 与先前方法相比, 具有省时高效的优势. 并通过电子能谱仪、热重分析仪、场发射扫描电子显微镜表征这种前聚体的形态与组成. 在有关电子顺磁共振波谱(ESR)和发光光谱(PL)的实验中,ESR和PL用来研究和表征Mn2+掺杂效率及ZnSe前驱体纳米带中Mn2+-Mn2+的相互作用.Mn掺杂ZnSe前驱体纳米带的ESR谱出现Mn2+特征超精细分裂六重峰,表明了Mn2+-Mn2+的
关键词:  Mn掺杂,超精细结构,光致发光,ZnSe,稀磁半导体
DOI:10.1088/1674-0068/20/05/607-612
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