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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Avci, Uygar E. Chu-Kung, Benjamin Agrawal, Ashish Dewey, Gilbert Le, Van Rios, Rafael Morris, Daniel H. Hasan, Sayed Kotlyar, Roza Kavalieros, Jack Young, Ian A. |
| Copyright Year | 2015 |
| Description | Author affiliation: Components Research, Technology and Manufacturing Group, Intel Corporation, Hillsboro, OR, USA (Avci, Uygar E.; Chu-Kung, Benjamin; Agrawal, Ashish; Dewey, Gilbert; Le, Van; Rios, Rafael; Morris, Daniel H.; Kavalieros, Jack; Young, Ian A.) || Portland Technology Development, Technology and Manufacturing Group, Intel Corporation, Hillsboro, OR, USA (Hasan, Sayed; Kotlyar, Roza) |
| Abstract | Tunneling Field Effect Transistor (TFET) has attracted interest due to its steep-SS prospects [1]. Although a number of sub-60mV/dec TFETs were demonstrated [2], many failed to realize this feat due to non-optimized geometry, material choice [3], and material defects [4, 5]. In this paper, we clearly distinguish the requirement for i) geometry, ii) semiconductor BTBT characteristics, iii) semiconductor defects and iv) oxide interface defects. Using Ge as a case study, multi-temperature characterization of experimental PIN diodes is used to separate bulk properties from the interface effects, calibrating the models for BTBT, trap-assisted-tunneling (TAT) and SRH. The measured BTBT characteristic of a material is as important as the effect of defects; even a zero-defect TFET using the calibrated Ge material requires thin body and thin oxide. Bulk SRH and TAT is found to be a less critical issue for thin body TFETs, whereas interface defect density ∼1012cm−2 is low enough to only degrade TFET SS <10mV/dec. The method of current component segmentation using multi-temperature short-intrinsic PIN diodes is essential for evaluation of materials for TFETs. |
| File Size | 1403082 |
| File Format | |
| ISSN | 2156017X |
| e-ISBN | 9781467398947 |
| DOI | 10.1109/IEDM.2015.7409828 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-12-07 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Tunneling Semiconductor diodes Geometry Temperature dependence Temperature Floors |
| Content Type | Text |
| Resource Type | Article |
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