[Wien] behavior of Seebeck coefficient near mue-Ef

[fatima DFT]

Dear Wien2k users specially expert user of BoltzTraP,

I read many papers reporting thermoelectrical properties w.r.t. chemical
potential and saw that the Seebeck coefficient is having a symmetric curve
(above the x-axis and below x-axis) around the  chemical potential (mue)=0
and its magnitude defines the type of conductivity. I understand most of
the things reported in papers.

What I want to know that:
Is the liner response theory of thermoelectric power  is responsible for a
sharp peak at zero chemical potential, on mue-Ef scale, and then linear
decrease as we go far from zero chemical potential (mue-Ef). See Fig. 1(a)
in original paper of Boltztrap:
http://www.sciencedirect.com/science/article/pii/S0010465506001305
So for n-type semiconductor, the Fermi level is near the CBM and majority
charge carriers are electrons giving negative sign of the Seebeck
coefficient.

Correct me if I am wrong.
I would be grateful to you if you mention any reference paper which have
detailed explanation on thermoelectric properties.

Sincerely,
Fatima
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