Abstract
Two hole-current extraction methods are discussed as potential checks on temperature during on-wafer I-V characterization of Si diodes made with 2-D interfacial layers on n-substrates. Both methods are unaffected by leakage currents related to defects near the junction. The one method is commonly used: the slope of the collector current in a lateral pnp Gummel plot is determined. The validity of this method is limited by series resistance and Early-voltage/punch-through effects related to depletion of the base region. The other method applies a differential measurement to determine a hole spreading current with an ideal slope. This method is not limited by depletion width variations but if the electron-to-hole current-ratio is too high, detrimental parasitic electron currents are induced.
| Original language | English |
|---|---|
| Title of host publication | 2022 IEEE 34th International Conference on Microelectronic Test Structures, ICMTS 2022 - Proceedings |
| Publisher | IEEE |
| Pages | 149-154 |
| Number of pages | 6 |
| ISBN (Electronic) | 978-1-6654-8565-1 |
| DOIs | |
| Publication status | Published - 26 Sept 2022 |
| Event | 34th IEEE International Conference on Microelectronic Test Structures, ICMTS 2022 - Crown Plaza Cleveland at Playhouse Square, Cleveland, United States Duration: 21 Mar 2022 → 15 Apr 2022 |
Conference
| Conference | 34th IEEE International Conference on Microelectronic Test Structures, ICMTS 2022 |
|---|---|
| Country/Territory | United States |
| City | Cleveland |
| Period | 21/03/22 → 15/04/22 |
Keywords
- 2-D interfacial layers
- current-voltage characteristics
- diodes
- lateral bipolar transistor
- temperature dependent measurements
- 22/4 OA procedure
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