Photoelectric Phenomena

absorbed absorption alkali metals angle anode atom beam cathode coefficient Compton crystal Einstein equation electric electrometer energy equation excited experimental experiments field fluorite frequency function galvanometer gases Gudden and Pohl H. E. IVES heating Hence hydrogen illuminated increase infra-red investigations ionization ionization potential ions Jour layer light intensity maximum measured mercury metal surface method Millikan molecule number of electrons observed obtained Olpin outgassing Phil photoconductivity photocurrents photoelectric cell photoelectric effect photoelectric emission photoelectric properties photoelectric sensitivity photoelectric threshold photoionization photovoltaic effects Phys plate platinum polarization selectivity potassium potential difference primary photoelectric current Proc quantum quartz radiation rocksalt secondary current selenium shown in Fig spectral distribution curves spectral selectivity Suhrmann temperature theory thermionic thermionic emission thermopile thickness thin films tion tube ultra-violet light vacuum vapor velocity voltage volts wave-length X-rays Zeits zero zincblende