IMPROVEMENT OF THE PERFORMANCE OF THE DISPENSER CATHODE WITH Re AS A MIDDLE LAYER

• 作 者: Li Yutao Zhang Honglai Liu Puk
• 机 构: InstituteofElectronics
• 出 处: 电子科学学刊：英文版
• 发表日期: 2006年3期
• 关键词: 中间层 发射结构 X射线 光电子 Dispenser cathode Dual-layer Os-W/Re Os-W Emission uniformity
• 基金项目: Supported by the National Science Fund for Distinguished Young Scholars of China （No.60125104）.

<正>A new type of dispenser cathode with dual-layer (Os-W/Re) is developed. The cathode coated with Os-W/Re shows better emission performance than the cathode coated with Os-W alloy. X-ray Photoelectron Spectroscopy (XPS) spectra demonstrate that ter