Publications

Molecular Wires | Molecular Quantum Dots | Hybrid Molecule-Semiconductor Devices | End-of-the-roadmap Si CMOS | Silicon Nanowires | Spin Torque devices | Carbon Nanotubes and Graphene Devices | Nanoscale thermal Transport | Interaction of Optics with Transport | Dynamical Effects on Transport

Molecular Wires

"Electronics with Molecules", A. W. Ghosh, In Bhattacharya P, Fornari R, and Kamimura H (eds) Comprehensive Semiconductor Science and Technology, vol. 5, pp. 383-479, Amsterdam: Elsevier

"Probing molecule-induced tuning of semiconductor band-bending through transport characterization of metal-molecule-semiconductor junction", A. Bahuguna, F. Camacho-Alanis, S. Vasudevan, A. W. Ghosh and N. Swami, Submitted

"Modeling electrostatic and quantum detection of molecules", S. Vasudevan, K. Walczak, N. Kapur, M. Neurock and A. W. Ghosh, IEEE-Sensors Vol. 8 , 857 (2008).

"A self-consistent transport model for molecular conductors with applications to some real systems", F. Zahid, M. Paulsson, E. Polizzi, A. W. Ghosh and S. Datta, J. Chem. Phys. Vol. 123 , 064707 (2005).

"Electrostatic potential profiles of molecular conductors", G-C. Liang, A. W. Ghosh, M. Paulsson and S. Datta, Phys. Rev. B Vol. 69, 115302 (2004).

"Molecular Electronics: Theory and Device Prospects", A. W. Ghosh, P. S. Damle, S. Datta and A. Nitzan, MRS Bulletin; Vol. 29 , 391 (2004)

"Charging-induced asymmetry in molecular conductors", F. Zahid, A. W. Ghosh, M. Paulsson, E. Polizzi and S. Datta, Phys. Rev. B Vol. 24 , 245317 (2004)

“"Gating of molecular transistors: electrostatic and conformational", A. W. Ghosh, T. Rakshit and S. Datta, Nano Lett. Vol. 4 , 565 (2004).

"Nanoscale Device Modeling", P. S. Damle, A. W. Ghosh and S. Datta, Chapter in Molecular Nanoelectronics, ed. Mark Reed and Takhee Lee, American Scientific Publishers, 2003.

"Molecular conduction: paradigms and possibilities" A. W. Ghosh and S. Datta, J. Comp. El. Vol. 1, 515 (2002).

"First-principles analysis of molecular conduction using quantum chemistry software", P. S. Damle, A. W. Ghosh and S. Datta, Chem.Phys. Vol. 281, 171-188 (2002), Special Issue on Processes in Molecular Wires.

"Charge transfer in molecular conductors - oxidation or reduction?", A. W. Ghosh, F. Zahid, S. Datta and R. R. Birge, Chem.Phys. Vol. 281, 225-230 (2002), Special Issue on Processes in Molecular Wires.

"Unified Description of Molecular Conduction: From Molecules to Metallic Wires", P. S. Damle, A. W. Ghosh and S. Datta, Phys. Rev.B Vol. 64, Rapid Communications, 201403R (2001).

Molecular Quantum Dots

"Reversal of current blockade through multiple trap correlations", J. Chan, B. Burke, K. Evans, K. A. Williams, S. Vasudevan, M. Liu, J. Campbell and A. W. Ghosh, Phys. Rev. B Vol. 80, 033402 (2009)..

"The role of Many Particle Excitations in Coulomb Blockaded Transport", B. Muralidharan, L. Siddiqui and A. W. Ghosh, J. Phys. Cond. Mat. Vol. 20, 374109 (2008)..

"Rectification by charging -- Contact-induced current asymmetry in Coulomb Blockaded molecules", O. D. Miller, B. Muralidharan, N. Kapur and A. W. Ghosh, Phys. Rev. B Vol. 77, 125427 (2008).

"Theory of high bias Coulomb Blockade in ultrashort molecules", B. Muralidharan, A. W. Ghosh, S. K. Pati and S. Datta, IEEE-Transactions on Nanotechnology Vol. 6, 536 (2007).

"Conductance in molecular quantum dots -- fingerprints of wave-particle duality?", B. Muralidharan, A. W. Ghosh and S. Datta, Molecular Simulation (Special Issue ed. D. Beratan), Vol. 32, 751 (2006).

"Probing electronic excitations in molecular conduction", B. Muralidharan, A. W. Ghosh and S. Datta, Phys. Rev. B Vol. 73, 155410 (2006).

Hybrid Molecule-Semiconductor Devices

"Controlling transistor threshold voltages using molecular dipoles" , S. Vasudevan, N. Kapur, T. He, M. Neurock, J. M. Tour and A. W. Ghosh, J. Appl. Phys. Vol. 105, 093703 (2009).

"Identifying contact effects in electronic conduction through buckyballs on silicon", G-C. Liang and A. W. Ghosh, Phys. Rev. Lett. Vol. 95, 076403 (2005).

"Molecules on silicon: Self-consistent First-Principles Theory and calibration to experiments", T. Rakshit, G-C. Liang, A. W. Ghosh, M. C. Hersam and S. Datta, Phys. Rev. B Vol. 72, 125305 (2005).

"Modeling Challenges in Molecular Electronics on Silicon", T. Rakshit, G-C. Liang, A. W. Ghosh and S. Datta, J. Comp. El. Vol. 4, 83 (2005).

"Silicon-based molecular electronics", T. Rakshit, G-C. Liang, A. W. Ghosh and S. Datta, Nano Lett. Vol. 4, 1803 (2004).

End-of-the-Roadmap Si CMOS Devices

"Extended Huckel theory for bandstructure, chemistry and transport. Part II: Silicon", D. Kienle, K. Bevan, G-C. Liang, L. Siddiqui, J-I. Cerda and A. W. Ghosh, J. Appl. Phys. Vol. 100, 043715 (2006).

"Generalized effective mass approach for cubic semiconductor n-MOSFETs on arbitrarily oriented wafers", A. Rahman, A. Ghosh and M. Lundstrom, J. Appl. Phys. Vol. 97, 053702 (2005).

"Effective Mass Approach for n-MOSFETs on arbitrarily oriented wafers", A. Rahman, M. Lundstrom and A. W. Ghosh, J. Comp. El. Vol. 3, 281 (2004).

"Assessment of Ge n-MOSFETs by quantum simulation", A. Rahman, M. Lundstrom and A. W. Ghosh, IEDM Technol. Dig., 19.4.1 (2003).

Silicon Nanowires

"Impact of structure relaxation on the Performance of small Diameter, n-type <110> Si-Nanowire FETs", G-C. Liang, D. Kienle, S. Patil, J. Wang, A. W. Ghosh and S. Khare, IEEE-Transactions on Nanotechnology Vol. 6, 225 (2007).

"On the validity of the Parabolic Effective-Mass approximation for the current-voltage calculation of silicon nanowire transistors", J. Wang, A. Rahman, A. Ghosh, G. Klimeck and M. Lundstrom, IEEE Transactions on Electron Devices Vol. 52, 1589 (2005).

"Theoretical Investigation of surface roughness scattering in silicon nanowire transistors", J. Wang, E. Polizzi, A. Ghosh, S. Datta and M. Lundstrom, Appl. Phys. Lett. Vol. 87, 043101 (2005).

"Performance evaluation of ballistic silicon nanowire transistors with atomic-basis dispersion relations", J. Wang, A. Rahman, A. Ghosh, G. Klimeck and M. Lundstrom, Appl. Phys. Lett. Vol. 86, 093113 (2005).

"A Quantum Mechanical Approach for the Simulation of Si/SiO2 interface roughness scattering in Silicon Nanowire Transistors", J. Wang, E. Polizzi, A. Ghosh, S. Datta and M. Lundstrom, J. Comp. El. Vol. 4, 453 (2005).

Spin Transfer Torque Devices

"Advances and Future Prospects of Spin-Transfer Torque Random Access Memory", E. Chen, D. Apalkov, Z. Diao, A. Driskill-Smith, D. Druist, D. Lottis, V. Nikitin, X. Tang, S. Watts, S. Wang, S. A. Wolf, A. W. Ghosh, J.W. Lu, S. J. Poon, M. Stan, W. H. Butler, S. Gupta, C. K. A. Mewes, T. Mewes, P.B. Visscher, IEEE Transactions on Magnetism Vol. 46, No. 6, 2010, pp.1873-1878

"Self consistent parametrized physical MTJ compact model for STT-RAM", A. Nigam, K. Munira, A. Ghosh, S. Wolf, E. Chen and M. R. Stan, Semiconductor Conference (CAS), Vol. 02, page 423 (2010).

"Self-consistent Quantum Transport and Magnetization Dynamics in STT-RAM", K. Munira and A. W. Ghosh, Intermag (2010).

Carbon Nanotubes and Graphene Devices

"High efficiency switching using graphene based electron optics", R. Sajjad and A. W. Ghosh, Appl. Phys. Lett. Vol. 99, 123101 (2011).

"Graphene Nanoribbons: from chemistry to circuits", F. Tseng, D. Unluer, M. R. Stan and A. W. Ghosh, invited book chapter (Graphene Nanoelectronics: Metrology, Synthesis, Properties and Applications" , Ed. H. Raza, Springer Series in Materials Science).

"Graphene Devices, Interconnect and Circuits -- Challenges and Opportunities", Mircea R. Stan, Dincer Unluer, Avik Ghosh and Frank Tseng, IEEE International Symposium on Circuits and Systems (ISCAS), pp 69-72, 2009.

"Diluted chirality dependence in edge rough graphene nanoribbon field-effect transistors", F. Tseng, D. Unluer, K. Holcomb, M. Stan and A. W. Ghosh, Appl. Phys. Lett. Vol. 94, 223112 (2009).

"Monolithically Patterned Wide-Narrow-Wide All-Graphene Devices", Dincer Unluer, Frank Tseng, Avik W. Ghosh, Mircea R. Stan, IEEE Trans. Nano. issue 99, 2010

"Extended Huckel theory for bandstructure, chemistry and transport. Part I: Carbon Nanotube", D. Kienle, J-I. Cerda and A. W. Ghosh, J. Appl. Phys. Vol. 100, 043714 (2006).

"Atomistic Modeling of Metal-nanotube contacts", D. Kienle, A. Ghosh and M. Lundstrom, J. Comp. El. Vol. 4, 97 (2005).

"Temperature dependence of the electrical conductance of multi-walled carbon nanotubes", E. Graugnard, B. Walsh, A. W. Ghosh, S. Datta, P. J. de Pablo and R. Reifenberger, Phys. Rev. B Vol. 64, 125407 (2001).

Nanoscale Thermal Transport

"Extracting phonon thermal conductance across nanoscale junctions: Non-equilibrium Green's function approach compared to semiclassical methods", P. E. Hopkins, P. M. Norris, M. Tsegaye and A. W. Ghosh, Journal of Applied Physics, Vol. 106, 063503 (2009).

"Assumptions of local equilibrium in thermal boundary conductance calculations", P. E. Hopkins, M. S. Tsegaye, P. M. Norris and A. Ghosh, Submitted, Proceedings of MNHT2008: 2008 ASME Micro/Nanoscale Heat Transfer International Conference, Tainan, Taiwan.

"Phonon runaway in nanotube quantum dots", L. Siddiqui, A. W. Ghosh and S. Datta, Phys. Rev. B Vol. 75, 085433 (2007).

Interactions of Optics with Transport

"Bloch oscillations in the presence of plasmons and phonons", A. W. Ghosh, L. Jönsson and J. W. Wilkins, Phys. Rev. Lett. Vol. 85, 1084 (2000).

"Coupled Bloch-phonon oscillations in GaAs/AlGaAs superlattices: theory and experiment", T. Dekorsy, A. Bartels, H. Kurz, A. W. Ghosh, L. Jönsson, J. W. Wilkins, K. Kohler, R. Hey and K. Ploog, Physica E Vol. 7, 279 (2000).

"Nonlinear response of a superlattice in a THz field",” A. W. Ghosh and J. W. Wilkins, Phys. Rev. B Vol. 61, 5423 (2000).

"Third harmonic generation by Bloch oscillating electrons in a quasi-optical array",” A. W. Ghosh, M. C. Wanke, S. J. Allen and J. W. Wilkins, Appl. Phys. Lett. Vol. 74, 2164 (1999).

"Reflection of THz radiation by a superlattice",” A. W. Ghosh, A. V. Kuznetsov and J. W. Wilkins, Phys. Rev. Lett. Vol. 79, 3494 (1997).

Dynamical Effects on Transport

"Coupling optical and electrical gating for electronic read-out of quantum dot dynamics", S. Vasudevan, K. Walczak and A. W. Ghosh, Phys. Rev. B 82, 0853234 (2010).

"Breaking of general rotational symmetries by multidimensional classical ratchets", A. W. Ghosh and S. V. Khare, Phys. Rev. E Vol. 67, 056110 (2003).

"Rotation in an asymmetric multidimensional potential in the presence of colored noise", A. W. Ghosh and S. V. Khare, Phys. Rev. Lett. Vol. 84, 5243 (2000).

"Diffusion rate for a Brownian particle in a cosine potential in the presence of colored noise",” A. Ghosh, Phys. Lett. A 187, 54 (1994).