| Design and Fabrication of Ni/Ti Multilayer for Neutron Supermirror |
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| 作者姓名： | 张众 王占山 朱京涛 王风丽 吴永荣 秦树基 陈玲燕 |
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| 作者单位： | Institute of Precision Optical Engineering （IPOE）, Department of Physics, Tongji University, Shanghai 200092 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No 60178021, the National 863-804 Sustentation Fund, and the Programme for New Century Excellent Talents in Universities under Grant No NCETo04-0376, Tongji University Scientific Fund. |
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| 摘 要： | In the applications of neutron guides and focusing devices, by using the Ni/Ti multilayer supermirrors （SM）, the neutron flux is significantly enhanced, because the critical reflective angle of supermirrors increases m times compared to the one of natural bulk Ni. We design and fabricate the Ni/Ti multilayer supermirrors by considering the effect of the interfacial imperfection, such as interface roughness and diffusion, and by using the direct current magnetron sputtering technology. The reflective performances of these supermirrors are measured on a V14 neutron beam line at the Berlin Neutron Scattering Centre （BENSC）, Germany. The measurement data suggest that the critical angles of the supermirrors are 1.5 and 2.2 times that of bulk Ni, respectively.
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| 关 键 词： | 中子超镜面 中子导板 中子通量 中子散射中心 |
| 收稿时间： | 2006-06-28 |
| 修稿时间： | 2006-06-28 |
Design and Fabrication of Ni/Ti Multilayer for Neutron Supermirror |
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| ZHANG Zhong, WANG Zhan-Shan, ZHU Jing-Tao , WANG Feng-Li WU Yong-Rong , QIN Shu-Ji , CHEN Ling-Yan.Design and Fabrication of Ni/Ti Multilayer for Neutron Supermirror[J].Chinese Physics Letters,2006,23(10):2678-2680. |
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| Authors: | ZHANG Zhong WANG Zhan-Shan ZHU Jing-Tao WANG Feng-Li WU Yong-Rong QIN Shu-Ji CHEN Ling-Yan |
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| Institution: | Institute of Precision Optical Engineering (IPOE |
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