Theory of the Seebeck coefficient in alkali and noble metals

被引：4
|
作者：
Fujita, S [1 ]
Ho, HC
Godoy, S
机构：
[1] SUNY Buffalo, Dept Phys, Buffalo, NY 14260 USA
[2] Univ Nacl Autonoma Mexico, Fac Ciencias, Mexico City 04550, DF, Mexico
来源：
MODERN PHYSICS LETTERS B | 1999年 / 13卷 / 20期
关键词：
D O I：
10.1142/S0217984999000865
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A new formula for the Seebeck coefficient S is obtained: S = (21n2/3)(qn)(-1 epsilon)(F)k(B) x (N/V), where q, n, epsilon(F), N and V are, respectively, charge, carrier density, Fermi energy, density of states at epsilon(F) and volume. Seebeck (S) and Hall (R(H)) coefficients in alkali metals are both negative while these coefficients in noble metals haw opposite signs. This difference is shown to arise from the different shapes of the Fermi surface.
引用
收藏
页码：689 / 694
页数：6
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