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modphysnoob

  • one year ago

see below

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  1. modphysnoob
    • one year ago
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    |dw:1361760894694:dw|

  2. modphysnoob
    • one year ago
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    so how would band diagram look like @Jemurray3

  3. Jemurray3
    • one year ago
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    Consider what kind of potential would yield such an electric field diagram, then basically tack it on to the band diagram.

  4. modphysnoob
    • one year ago
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    that would be integral of the that?

  5. Jemurray3
    • one year ago
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    With a minus sign.

  6. modphysnoob
    • one year ago
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    |dw:1361762119933:dw|

  7. Jemurray3
    • one year ago
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    |dw:1361762223289:dw|

  8. modphysnoob
    • one year ago
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    ok, got it , and this is v vs x graph how do we go to band diagram?

  9. Jemurray3
    • one year ago
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    In the absence of a field, the band diagram may look like this: |dw:1361762537191:dw|

  10. modphysnoob
    • one year ago
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    so how does electric field alter it

  11. Jemurray3
    • one year ago
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    If you add an constant electric field pointing to the right, that means that the energy of a positively charged particle would be higher on the left than on the right so the bands would shift: |dw:1361762863943:dw|

  12. modphysnoob
    • one year ago
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    ok

  13. modphysnoob
    • one year ago
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    that's our middle part

  14. Jemurray3
    • one year ago
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    Yep. The rest is similar.

  15. modphysnoob
    • one year ago
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    thanks man , you've been a great help

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spraguer (Moderator)
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