Abstract
The high-temperature piezoresistive effect of polysilicon films is investigated. The relation between gauge factors of heavy doped polysilicon films deposited by LPCVD and temperatures is researched and attained, considering experimental influences of deposition temperature and film thickness on gauge factors. Polysilicon films with a Boron-doped concentration of about 1019 cm-3 are experimentally studied from room temperature to 560°C. Experimental results show that the polysilicon piezoresistors can work over 560°C.
| Original language | English |
|---|---|
| Pages (from-to) | 2115-2119 |
| Number of pages | 5 |
| Journal | Pan Tao Ti Hsueh Pao/Chinese Journal of Semiconductors |
| Volume | 26 |
| Issue number | 11 |
| Publication status | Published - Nov 2005 |
| Externally published | Yes |
Keywords
- Gauge factor
- Piezoresistive effect
- Polysilicon
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering
- Materials Chemistry
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