| ZnS:Ho3+的光谱特性 |
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| 引用本文： | 沈永荣,张宏.ZnS:Ho3+的光谱特性[J].发光学报,1987,8(3):174-181. |
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| 作者姓名： | 沈永荣 张宏 |
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| 作者单位： | 中国科学院长春物理研究所 |
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| 摘 要： | 本工作系统地研究了Ho3+在ZnS中的光谱特性。利用不同激发波长的发射光谱、激发光谱和发光衰减鉴别出29000-14000cm-1范围内的激发谱线和发射谱线所对应的跃迁。共观察到5G5′,5G4,5G5,5G6,3K8,5F2,5F3和5S2八个4f能级的发射和5G6,5G5,3K7,3H6和5G3(3L9)五个4f能级的激发。由发射光强随温度的变化规律,研究了Ho3+的5G5′和5G4,5F3和5S2能级间的多声子弛豫过程以及5G6,3K3,5F2和5F3能级间的热平衡过程。通过近带边激发下的发光行为,提出Ho3+在ZnS中的近带边激发下发光是借助于能量传递过程,不同激发态借助不同的传递途径,而且不同的发光中心也具有不同的传递机制。
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| 收稿时间： | 1987-03-02 |
SPECTRAL PRORERTIES OF ZnS:Ho3+ |
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| Shen Yongrong,Zhang Hong.SPECTRAL PRORERTIES OF ZnS:Ho3+[J].Chinese Journal of Luminescence,1987,8(3):174-181. |
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| Authors: | Shen Yongrong Zhang Hong |
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| Institution: | Changchun Institute of Physics, Academia Siwica |
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| Abstract: | In this paper, the spectral properties of Ho3+ ions in ZnS have been investigated systematically. By means of emission spectra excited by different wavelength Fig.2-3],excitation spectra Fig.4],fluorescent decay and temperature dependence of emission intensities, we have got the following results. 1)Transitions between 29000cm-1-14000cm-1 have been identified. Emis-sion-from the excited states 5G5,5G4, 5G5, 5G6, 3K8, 5F2, 5F3, 5S2 and excitation to the states 5G6, 5G5, 3K7, 3H6, 5G3(3L9) have been observed Fig. 5]. |
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