A trapping tolerant drain current based temperature measurement of β -Ga 2 O 3 MOSFETs
Journal Article
·
· Applied Physics Letters
- University of Bristol (United Kingdom); Univ. of Bristol (United Kingdom)
- University of Bristol (United Kingdom)
- National Institute of Information and Communications Technology, Tokyo (Japan)
The drain current temperature dependence is an efficient way to determine the channel temperature in semiconductor devices; however, it has been challenging to use due to the potential interference of trapping effects. A trapping tolerant method is proposed, illustrated here for Ga2O3 MOSFETs, making in situ temperature measurements possible, allowing a thermal resistance of 59 K∙mm/W to be measured in Ga2O3 MOSFETs. However, neglecting the effect of trapping causes an error of ~15% in the channel temperature measured using the drain current. 3D simulations show that the measured channel temperature is the average temperature value between source and drain contact.
- Research Organization:
- Arizona State University, Tempe, AZ (United States); University of Bristol (United Kingdom)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); Royal Academy of Engineering
- Grant/Contract Number:
- SC0021230
- OSTI ID:
- 1978973
- Journal Information:
- Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 7 Vol. 120; ISSN 0003-6951
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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