Re: Ionization Potential -vs- Work Function

Posted by Dr. A*Alagiriswamy*A on August 30, 2002 at 17:31:47:

In Reply to: Re: Ionization Potential -vs- Work Function posted by Dr. A. A. Alagiriswamy on July 16, 2002 at 16:05:33:

:
: : : Can anyone tell me what the difference is between Ionization Potential and the Work Function??

: Hello,

: Actually the ionization potential and work function of any metal is the same, but it is different for semiconductors or insulators. In fact work function is defined as the energy required to remove an electron from Fermi level to Vacuum level(energy level differences), but ionization potential is the energy required to remove the electron from top of the valence band (HOMO level) to vaccuum level. I hope that I have clearly written to you, if not pleaze advice me.

: Thanking you

: Bye/By

: Sincerely yours

: *** (JNC/Bayreuth, Deustceland)

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• Re: Ionization Potential -vs- Work Function mom 10:39:32 9/08/03 (0)

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: : : : : : Can anyone tell me what the difference is between Ionization Potential and the Work Function?? : : Hello, : : Actually the ionization potential and work function of any metal is the same, but it is different for semiconductors or insulators. In fact work function is defined as the energy required to remove an electron from Fermi level to Vacuum level(energy level differences), but ionization potential is the energy required to remove the electron from top of the valence band (HOMO level) to vaccuum level. I hope that I have clearly written to you, if not pleaze advice me. : : Thanking you : : Bye/By : : Sincerely yours : : *** (JNC/Bayreuth, Deustceland)