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D+離子束和自成型鈦靶的作用特性研究
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中國工程物理研究電子工程研究所科技創(chuàng)新基金（S20090801）


Study on Interaction of the Deuterium Ion Beam and the Drive-in Titanium Target
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    摘要:

    利用ZF-300 keV中子發(fā)生器，采用伴隨粒子法研究D+離子束和自成型鈦靶的中子產(chǎn)額隨束流轟擊時間的變化特性；利用X射線衍射分析和掃描電鏡分別研究束流對靶物相結(jié)構(gòu)和表面形貌的影響。結(jié)果表明，隨D+離子束的轟擊和注入，中子產(chǎn)額隨轟擊時間的變化逐漸變大，中子產(chǎn)額達到最大值后又隨轟擊時間的變化逐漸變??；束流轟擊前后靶表面無熔坑出現(xiàn)，隨D+離子束流的增大，靶表面的條紋狀痕跡逐漸消失；D+離子束的轟擊未改變自成型鈦靶的物相結(jié)構(gòu)?；陔x子與固體相互作用的數(shù)值模擬，分析討論了D+離子束和自成型鈦靶的作用機制。

    Abstract:

    Interaction of the deuterium ion beam and the drive-in titanium target was studied by measuring the neutron yield as a function of bombarding time with the associated particles method in ZF-300 neutron generation. X-ray diffraction for phase analyses and scanning electron microscopy for the surface morphology were used to characterize the targets. During the bombarding period with deuterium ion beam, the neutron yield increases gradually with deuterium ion beam implantment at first, and then it decreases slowly. There is no obvious melting crater on the surface of the titanium targets bombarded with deuterium ion beam. With the increase of deuterium ion beam intensity, the transverse polishing marks of the titanium targets disappear gradually. The phase of the drive-in titanium target is not changed in the experiment conditions. The prominent physical mechanism of the deuterium ion beam and the drive-in titanium target interaction was discussed based on the numerical simulation of the beam and the solid interaction.

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王博宇,向 偉,戴晶怡,談效華,程 亮,陳 磊,徐進章,陳熙萌,姚澤恩,郭志強. D+離子束和自成型鈦靶的作用特性研究[J].稀有金屬材料與工程,2011,40(6):1105~1109.[Wang Boyu, Xiang Wei, Dai Jingyi, Tan Xiaohua, Cheng Liang, Chen Lei, Xu Jinzhang, Chen Ximeng, Yao Ze’en, Guo Zhiqiang. Study on Interaction of the Deuterium Ion Beam and the Drive-in Titanium Target[J]. Rare Metal Materials and Engineering,2011,40(6):1105~1109.]
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  • 收稿日期:2010-06-26
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