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modphysnoob

see below

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

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

    • one year ago
  3. Jemurray3
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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.

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

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

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

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

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

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

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

    • one year ago
  11. Jemurray3
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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|

    • one year ago
  12. modphysnoob
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    ok

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

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

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

    • one year ago
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