citra Messages 6 Reaction score 0 Thread starter Jul 28, 2011 #1 What happens to the ions that are released from the material after e- are released? How come the material doesn't completely degrade?
What happens to the ions that are released from the material after e- are released? How come the material doesn't completely degrade?
ZapperZ Staff Emeritus Science Advisor Homework Helper Insights Author Messages 32,819 Reaction score 4,724 Jul 28, 2011 #2 The metal that acts as the photocathode is grounded. If not, there will be charging effects and photoemission will cease after a while... a very short while. Zz.
The metal that acts as the photocathode is grounded. If not, there will be charging effects and photoemission will cease after a while... a very short while. Zz.