Recent content by Martin Pecha

  1. Martin Pecha

    How van der Pauw measurement is influenced by the size of the sample

    Thanks, the second one I know and it is great.
  2. Martin Pecha

    How van der Pauw measurement is influenced by the size of the sample

    can I characterize a rectangular shape sample by Van der Pauw method? Is there any equation for that? Could you please recommend me any technique to measure lowresistance (100 mohm) rectangular sample which cannot be homogenous and has 2 mm thickness? Or any literature for that. I woul...
  3. Martin Pecha

    How van der Pauw measurement is influenced by the size of the sample

    So basicaly I should keep the ratio of distances between voltage probes and current ones when I scale up samples? Or it does not depend on it either
  4. Martin Pecha

    How van der Pauw measurement is influenced by the size of the sample

    Dear all, I am trying to use Van der Pauw method to measure some samples, however I cannot get where in calculations van der Pauw method includes size of the sample. F.e. if I have circle with diameter of 2 cm or 5 cm there must be a difference right? Can anyone explain to me why or why not...
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