Please use this identifier to cite or link to this item:
http://hdl.handle.net/10603/318301
Title: | Strategic Interventions to Suppress Ambipolar Conduction in Schottky Barrier CNTFETs for Digital Circuits |
Researcher: | Reena Monica, P |
Guide(s): | : Sreedevi, V T |
Keywords: | Engineering Engineering and Technology Engineering Electrical and Electronic |
University: | VIT University |
Completed Date: | 2019 |
Abstract: | Carbon Nanotubes (CNTs) Field Effect Transistors (CNTFETs) offer solutions to the newlinescaling challenges of current IC technology. CNTFETs can be scaled aggressively with minimal short channel effects. Room temperature ballistic transport of charge carriers and the demonstrated potential to yield high performance at low operating voltages makes them an attractive alternate for MOSFETs. Despite all these striking characteristics, CNTFETs are yet to make their debut in the main stream IC fabrication technology. The reasons behind this are: 1. Presence of misaligned and metallic CNTs, 2. Variations in CNT diameter and chirality, 3. Ambipolar conduction in CNTFETs causing high leakage currents. Ambipolar behavior is characterized by the superposition of hole current and electron current. This work takes up the third issue and aims at suppressing the ambipolar conduction in CNTFETs. The metal-contacted configuration is perfect for nanoscale devices since metals have significantly lower parasitic resistance when compared to heavily doped semiconductors. Therefore, a Schottky Barrier CNTFET (SB CNTFET) is chosen. SB CNTFET works on the principle of direct tunnelling through the Schottky barrier at the source-channel junction. The objective of the present doctoral research work is to intervene and explore various strategies to suppress ambipolar conduction in SB CNTFETs and present them as a viable alternative to the existing silicon technology newline |
Pagination: | i-xvii, 1-111 |
URI: | http://hdl.handle.net/10603/318301 |
Appears in Departments: | School of Electronics Engineering-VIT-Chennai |
Files in This Item:
File | Description | Size | Format | |
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01-title page.pdf | Attached File | 107.13 kB | Adobe PDF | View/Open |
02_copy of declaraion & certificate.pdf | 2.04 MB | Adobe PDF | View/Open | |
03_abstract.pdf | 93.73 kB | Adobe PDF | View/Open | |
04_acknowledgement.pdf | 46.5 kB | Adobe PDF | View/Open | |
05_table of contents.pdf | 102.65 kB | Adobe PDF | View/Open | |
06_list of figures.pdf | 153.01 kB | Adobe PDF | View/Open | |
07_list of tables.pdf | 44.99 kB | Adobe PDF | View/Open | |
08_list of terms.pdf | 110.87 kB | Adobe PDF | View/Open | |
09_list of abbreviations.pdf | 69.7 kB | Adobe PDF | View/Open | |
10_chapter_01.pdf | 844.72 kB | Adobe PDF | View/Open | |
11_chapter_02.pdf | 1.2 MB | Adobe PDF | View/Open | |
12_chapter_03.pdf | 4.38 MB | Adobe PDF | View/Open | |
13_chapter_04.pdf | 819.89 kB | Adobe PDF | View/Open | |
14_chapter_05.pdf | 2.95 MB | Adobe PDF | View/Open | |
15_chapter_06.pdf | 5.21 MB | Adobe PDF | View/Open | |
16_chapter_07.pdf | 96.15 kB | Adobe PDF | View/Open | |
17_references.pdf | 130.31 kB | Adobe PDF | View/Open | |
18_list of publications.pdf | 60.58 kB | Adobe PDF | View/Open | |
80_recommendation.pdf | 203.3 kB | Adobe PDF | View/Open |
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