Back to
Summer School 2002
Outline of Lectures
- Introduction to Molecular Device Models
- Equilibrium
- Current flow
- Broadening
- Charging and Coulomb blockade
- Capacitance and Conductance
- Molecular transistors
- Molecular Electronics
- Molecular I-V characteristics
- Simulation of molecular chemistry
- Theoretical and experimental uncertainty
- Potential in a gold point contact
- Potential in a molecular conductor
- Charging energy and Coulomb blockade in symmetric and
asymmetric contacts
- Introduction to the nanoHUB online simulation environment
- General description
- History of the Purdue University Computational Hub
(PUNCH)
- Example of a nanoTOOL: CNTbands
- nanoHUB usage policies and tips
- Modeling Molecular Device
- Non-equilibrium Green's functions (NEGF)
- Semi-empirical Huckel and extended Huckel molecular
models
- Ab initio, Hartree-Fock and Density Functional Theory models
- Calculation of the electrostatic potential
- Modeling Contacts in Molecular Devices
- Contacts self-energy
- Partitioning scheme
- Surface Green's function
- 1-D and 3-D model
- Examples
- Molecular Transistor
- Structure of a field effect transistor based on Phenyl
Dithiol molecule
- Solution procedure
- Modeling of device and contacts
- Potential in a gold point contact
- Examples and results
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Background Articles |
1. |
"Electronic
conduction through organic molecules", M.P. Samanta, W. Tian, S.
Datta, J.I. Hemderson and C.P. Kubiak, Physical Review B, vol. 53, pp.
R7626-7629, 1996. (111 KB PDF) |
2. |
"Application
of the Friedel sum to symmetric molecular conductors", S.
Datta and W. Tian, Physical Review B, vol. 55, pp. R1914-1917, 1997.
(104 KB PDF) |
3. |
"Resistance
of molecular nanostructures", W. Tian, S. Datta, S. Hong, R.
Reifenberger, J.I. Henderson and C.P. Kubiak Physica E, vol.
1, pp. 304-309, 1997. (335 KB PDF) |
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The lectures were delivered by
Prof. Datta and members of his research group at Purdue University,
as detailed below:
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Lecture 1 |
Supriyo
Datta |
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Presentation - download
(265 KB PDF) |
Lecture 2 |
Avik Gosh |
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Presentation - download
(1.96 MB PDF) |
Lecture 3 |
Sebastien
Goasguen |
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Presentation - download
(877 KB PDF) |
Lecture 4 |
Magnus
Paulsson |
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Presentation - download
(995 KB PDF) |
Lecture 5 |
Titash Rakshit |
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Presentation - download
(515 KB PDF) |
Lecture 6 |
Prashant Damle |
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Presentation - download
(1.22 MB PDF) |
Lab Exercises |
Gengchiau Liang |
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download
(1.1 MB PDF) |
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Ferdows Zahid |
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download
(1.99 MB PDF) |
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