| 铝硫二元团簇的组分及其光解规律 |
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| 引用本文： | 史扬,张南,高振,朱起鹤,孔繁敖. 铝硫二元团簇的组分及其光解规律[J]. 物理化学学报, 1993, 9(3): 299-301. DOI: 10.3866/PKU.WHXB19930304 |
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| 作者姓名： | 史扬 张南 高振 朱起鹤 孔繁敖 |
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| 作者单位： | Institute of Chemistry, Chinese Academia Sinica, The State Key Laboratory of Molecular Reaction Dynamics, Beijing 100080 |
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| 摘 要： | 硫与金属元素所形成的二元团簇具有很多重要的特性,已受到人们的普遍重视.用激光-串级飞行时间质谱仪,我们曾研究了硫与过渡金属钽、铁等的二元团簇.最近我们选取主族金属元素铝,研究了铝硫团簇的形成及其光解,实验结果表明,与钽硫或铁硫团簇相比,铝硫团簇无论在其组份构成还是在其光解方面,都表现出鲜明的特有规律性.实验的主要参数如下:溅射用激光为Nd:YAG 二倍频,其输出强度控制在约10~7W·cm~(-2),激光的重复频率10Hz 样品位于激光束的焦点附近,由焦距f=50cm 的透镜调整其聚焦状
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| 关 键 词： | 原子团簇 光解 结构稳定性 激光溅射 |
| 收稿时间： | 1992-12-18 |
| 修稿时间： | 1993-02-19 |
A PRIMARY STUDY FOR THE FORMATION AND PHOTODISSOCIATION OF ALUMINUM SULFIDE CLUSTER IONS |
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| Shi Yang Zhang Nan Gao Zhen Zhu Qihe Kong Fan''''ao. A PRIMARY STUDY FOR THE FORMATION AND PHOTODISSOCIATION OF ALUMINUM SULFIDE CLUSTER IONS[J]. Acta Physico-Chimica Sinica, 1993, 9(3): 299-301. DOI: 10.3866/PKU.WHXB19930304 |
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| Authors: | Shi Yang Zhang Nan Gao Zhen Zhu Qihe Kong Fan''''ao |
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| Affiliation: | Institute of Chemistry, Chinese Academia Sinica, The State Key Laboratory of Molecular Reaction Dynamics, Beijing 100080 |
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| Abstract: | Binary cluster ions consisted of aluminum and sulfur(Al_nS_m~+,n up to 63,m upto 94)are produced by laser ablation of a mixture of aluminum powder and sulfurpowder.It was found that the formed cluster ions have a uniform increment ofAl_2 S_3 in the composition.The photodissociation of the mass-selected cluster ions alsoshow a simple dissociation channel by loss of(Al_2S_3)_x (x=1 or 3).The structuralfeatures of the cluster ions have been discussed. |
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| Keywords: | Atomic cluster Photolysis Structural stability Laser ablation |
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