From continuous radiation to characteristic radiation 6 Mo Moseley's law: Ka B Characteristid λ= radiation (Z-0)2 25kV> Continuous radiation 3 网 20 2 15 First observed by 1 Barkla Sadler 10 SWL 5、 in1909 1.0 2.0 3.0 1.243 Wavelength(angstroms) 入mim V(kV) (nm)From continuous radiation to characteristic radiation Mo First observed by Barkla & Sadler in 1909 Moseley's law: 𝜆 = 𝐵 (𝑍 − 𝜎) 2 𝜆𝑚𝑖𝑛 = 1.243 𝑉 (𝑘𝑉) (𝑛𝑚)