Determination of the thermoelectric figure of merit of doped polysilicon thin films by micromachined test structures
Determination of the thermoelectric figure of merit of doped polysilicon thin films by micromachined test structures
复制标题
通过微机械测试结构测定掺杂多晶硅薄膜的热电品质因数
DOI:
10.1109/icsens.2012.6411144
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发表时间:
2012
期刊:
影响因子:
--
通讯作者:
O. Paul
中科院分区:
文献类型:
--
作者:
D. Moser;D. llkaya;D. Kopp;O. Paul
This paper reports on the determination of the thermoelectric figure of merit ZT of doped polysilicon (poly-Si) thin films. For the extraction of accurate thermal properties, micromachined membrane test structures for the Seebeck coefficient S and the thermal conductivity κ of poly-Si were developed. The electrical resistivity ρ is measured using van-der-Pauw structures. From the results the temperature dependent value of ZT = S2Tk-lρ-1is extracted. The material parameters were measured in the temperature range from 90 to 370 K. A ZT of (10.08±0.14)×10-3and (10.29±0.12)×10-3was obtained at 290 K for n- and p-doped poly-Si thin films. The corresponding material parameters for n-doped material are k = 25.0 Wm-1K-1, S = -81 μVK-1and ρ = 7.58 μΩm. For p-doped poly-Si the values are found to be κ = 40.6 Wm-1K-1, S = 240 μVK-1and ρ = 40.1 μΩm.
DOI:
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发表时间:
1999
期刊:
ICMTS 1999. Proceedings of 1999 International Conference on Microelectronic Test Structures (Cat. No.99CH36307)
影响因子:
--
作者:
O. Paul;L. Plattner;H. Baltes
通讯作者:
H. Baltes
DOI:
10.1063/1.4731584
发表时间:
2012
期刊:
影响因子:
--
作者:
D. Moser;A. Steffen;O. Paul
通讯作者:
O. Paul
DOI:
--
发表时间:
2005
期刊:
影响因子:
--
作者:
A. Jacquot;Gang Chen;H. Scherrer;A. Dauscher;B. Lenoir
通讯作者:
B. Lenoir