Graphene and 2D Electronics [for a general "curious" audience]
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My Presentation at the Marie-Curie Conference in Florence, 25-26 Novembre 2013. It was a short presentation given to a general audience of researchers and Marie-Curie fellows in all disciplines (from Scholars in Humanities to Medical Doctors). From blog post on http://www.iannaccone.org/?p=2287
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Graphene and 2D Electronics [for a general "curious" audience]
- 1. Graphene and 2D electronics Giuseppe Iannaccone - Università di Pisa
- 2. Semiconductor electronics 1947 - transistor
- 3. Semiconductor electronics 1947 - transistor 1961- first chip
- 4. Semiconductor electronics 1947 - transistor 1961- first chip 2012 Intel Core i7 3B transistors – 22 nm
- 5. Nanotransitors are smaller than a virus
- 6. Why do we need all these transistors?
- 7. Why do we need all these transistors? Atari PONG (1976) 3000 transistors
- 8. Why do we need all these transistors? Atari PONG (1976) 3000 transistors FIFA 14 (2013) 500+ milions transisors
- 9. Not your dad’s transistor (neither your elder brother’s one)
- 10. Not your dad’s transistor (neither your elder brother’s one) 2001 130 nm Silicon SiO2 – poly gate Planar [2D]
- 11. Not your dad’s transistor (neither your elder brother’s one) 2001 130 nm Silicon SiO2 – poly gate Planar [2D] 2011 22 nm Strained silicon/Ge High K/Metal gate 3D
- 12. Not your dad’s transistor (neither your elder brother’s one) 2001 130 nm Silicon SiO2 – poly gate Planar [2D] 2011 22 nm Strained silicon/Ge High K/Metal gate 3D
- 14. Graphene is just one atomic layer of graphite Can it be a “new” material ?
- 15. In 2004 A. Geim and K. Novoselov isolated and characterised graphene at Manchester Univ. 2010 Nobel Prize for "for groundbreaking experiments regarding the two-dimensional material graphene”
- 16. A material with exceptional properties • Stable in single monolayer form • A truly 2D material (as thin as physically possible)
- 17. A material with exceptional properties • Stable in single monolayer form • A truly 2D material (as thin as physically possible) • Excellent electrical conductor (up to 1000x Si) • Excellent thermal conductor
- 18. A material with exceptional properties • Stable in single monolayer form • A truly 2D material (as thin as physically possible) • Excellent electrical conductor (up to 1000x Si) • Excellent thermal conductor • Transparent and flexible • Exceptionally Strong (300x Steel)
- 19. Graphene in Electronics? Problem: Graphene has a zero energy gap Transistors cannot be switched off
- 20. Rules of the game 20 Increase gap and fabricate transistors, but keep high mobility and reproducibility
- 21. Other 2D Materials Boron Nidride Et cetera … Molybdenum disulfide
- 22. Our specialty: Early assessment of device potential NanoTCAD VIDES 3D atomistic device simulator Released as open source as a python module at http://vides.nanotcad.com 400+ downloads, 60+ papers A long story started from FP5 NanoTCAD Project (1999)– now G. Fiori (UniPi) lead developer]
- 23. “This won’t work. This neither. Try instead this”
- 24. Lateral heterostructure FET G. Fiori, G. Iannaccone International PCT – ACS NANO 2012 24
- 25. Lateral G-BN Heterostructures M.P. Levendorf Nature 2012 (Cornell) 25
- 26. Europe’s bet on graphene
- 27. Thanks Funding: FP7 GRADE FP7 GONEXTS ESF DEWINT FP7 GRAND FP7 NANOSIL MIUR GRANFET … Coworkers: Gianluca Fiori Massimo Macucci Bruno Pellegrini Paolo Marconcini Demetrio Logoteta Qin Zhang Ravinder Pawar Alessandro Betti Samantha Bruzzone Martina Cheli Paolo Michetti