Nb₃Sn has significant potential for superconducting radio-frequency (SRF) application in future particle accelerators, especially compact accelerators, which have attracted the attention of many scientific researchers. This paper reports the setup and process of Nb₃Sn coating at the Institute of High Energy Physics (IHEP), and presents preliminary results of 1.3 GHz 1-cell cavities coated with Nb₃Sn. The cavities had a matte, non-reflective gray visual appearance after coating. Various cooling rates were used in the vertical tests of Nb₃Sn cavities, which resulted in different performances. The characteristics of witness samples at different locations inside the cavity revealed the uniform quality of the Nb₃Sn coating. Experimental results indicated that a smooth surface was the key to the high-performance of Nb₃Sn cavities.

Nb ₃ Sn 在未来的粒子加速器，特别是紧凑型加速器中具有超导射频（SRF）应用的巨大潜力，引起了众多科研人员的关注。本文报道了高能物理研究所 (IHEP)的 Nb _{3 Sn 涂层的设置和工艺，并展示了用 Nb 3} Sn 涂层的 1.3 GHz 1 单元腔的初步结果。腔体在涂布后具有无光泽、非反射灰色视觉外观。_{在 Nb 3} Sn 腔的垂直测试中使用了不同的冷却速率，这导致了不同的性能。型腔内不同位置见证样品的特征揭示了 Nb _{3的均匀质量}锡涂层。_{实验结果表明，光滑的表面是 Nb 3} Sn 腔体高性能的关键。