Atoms tunnelling through a metal surface

  1. Hey guys.i have heard it has been experimentally proved that even atoms can tunnel through a metal surface.I tried searching all over the web but just could not get any references on that.So,is that true?if somebody know where i can read more about that experimental proof,please point it out.

    thanks a lot in advance.
  2. jcsd
  3. zonde

    zonde 1,649
    Gold Member

  4. Im not sure how anything could not have the ability to tunnel. ???
  5. alxm

    alxm 1,845
    Science Advisor

    Hydrogen tunnels all over the place. Although it still is 'mostly' classical, in that a classical model will usually account for most of its motion, statistically speaking.

    But since tunneling rates drop off exponentially with mass, the effect disappears quickly for heavier atoms.
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