THERMOELECTRIC AND THERMO-COULOMB EFFECTS IN TUNNEL-JUNCTIONS

被引:4
作者
AMMAN, M
BENJACOB, E
COHN, JL
机构
[1] USN,RES LAB,WASHINGTON,DC 20375
[2] TEL AVIV UNIV,RAYMOND & BEVERLY SACKLER FAC EXACT SCI,SCH PHYS & ASTRON,IL-69978 TEL AVIV,ISRAEL
关键词
D O I
10.1016/0375-9601(92)90663-7
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present a study of the thermoelectric effects in tunnel junctions. In particular we calculate the thermoelectric power coefficient S and the Peltier coefficient PI. For macroscopic junctions we demonstrate the sensitivity of S and PI to the structure of the density of states. For mesoscopic junctions we show that Coulomb effects modify the ordinary Onsager picture and the relation PI = - TS. The coefficients S and PI are found to be very sensitive to the coupling of the junctions to the external world. We comment on the relevance of these effects to scanning tunneling microscope measurements.
引用
收藏
页码:389 / 396
页数:8
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