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Two recent publications:
Modeling of Set and Reset Operations of Phase-Change Memory Cells in EDL IEEE (undergraduate student work).
Scaling of Silicon Phase-Change Oscillators in EDL IEEE.
The list of our oral and poster presentations to be delivered in MRS Fall 2011 in Boston, MA:
S. Fischer, N. E.
Williams, C. Osorio, A. Gokirmak, H. Silva, “Finite Element
Simulations of Current-Induced Filamentations in Nanocrystalline
Silicon,” Mat. Res. Soc. Fall Meeting, vol. BB20.2, 2011.
(undergraduate student work)
M. Wennberg, A. King, A. Cywar, F. Dirisaglik, A. Gokirmak, H. Silva, “Nanosecond voltage pulsing and DC voltage sweeping on nano-scale Ge2Sb2Te5wires,” Mat. Res. Soc. Fall Meeting, vol. BB4.6, 2011. (undergraduate student work)
G. Bakan, A.
Gokirmak, H. Silva, “Thermoelectric Transport under Large
Temperature Gradients in Self-Heated Silicon Microwires,” Mat. Res.
Soc. Fall Meeting, vol. W6.10, 2011.
K. Cil, Y. Zhu, C. Lam, H. Silva, "The Effect of Substrate and Film Thickness on Phase Transition Temperatures of GST Thin Films," Mat. Res. Soc. Fall Meeting, vol. SS7.54, 2011.
L. Adnane, N. E. Williams, A. Gokirmak, H. Silva, “High Temperature Seebeck Coefficient and Resistivity Measurement Setup,” Mat. Res. Soc. Fall Meeting, vol. O8.12, 2011.
N. Khan, G. Bakan, A. Gokirmak and H. Silva, " Analysis of Light Emission from Self-Heated Nanocrystalline Silicon Microwires," Mat. Res. Soc. Fall Meeting, vol. W7.5, 2011.
N. E. Williams, A. Gokirmak and H. Silva, " Finite Element Simulations on Scaling Effects of Thermoelectric Generators," Mat. Res. Soc. Fall Meeting, vol. F4.1, 2011.
Our work on thermoelectric effects in self-heating Si wires (appeared as an invited feature paper in Journal of Material Research): Self-heating of silicon microwires: Crystallization and thermoelectric effects
Senior undergraduates have designed and built a high-temperature Seebeck measurement setup making use of a commercial induction heater and mechanical pencils.
Following talks have been given at MRS Spring 2010 meeting in San Francisco:
1. M. Akbulut, "Controlling Peripheral Leakage Currents in Ultra-narrow MOSFETs Using a Penta-Gate Approach," I2.7, on April 7, 2010.
2. A. Cywar, "Electromigration of Liquid Silicon in Nanocrystalline Silicon Microwires During Phase-change Oscillations," A8.5, on April 7, 2010.
3. A. Gokirmak, "Growth from Melt and Phase Change Oscillations in Silicon Micro- and Nano-wires," P13.17, on April 8, 2010.
4. N. Williams, "Temperature Dependent Electrical Characterization and Crystallization of Nanocrystalline Silicon," A17.9, on April 8, 2010.
Dr. Gokirmak received Uconn ECE teaching excellence award
Abdulkerim Alim joined our lab.
Our most recent publication on making use of ambient noise in C-V measurements with aF resolution was featured on Nanotechnology news.
We will be delivering 4 talks and presenting 2 posters at MRS Fall 2009 Meeting in Boston:
1. A. Gokirmak, "Crystallization of Patterned Nanocrystalline Micro-structures Through Self-heating," C2.3, on December 30, 2009.
2. M. Akbulut, "Electrostatic Passivation of Peripheral Interface Trap Charges and Electrostatic Doping in Accumulated Body Transistors," A5.5, on November 30, 2009.
3. G. Bakan, "Optical Observations of Strong Thermoelectric Thomson Effect on Self-heated Nanocrystalline Silicon Microwires,"CC1.5, on November 30, 2009.
4. G. Bakan, "Electrical Conduction and Heat Transfer Simulations of Nanocrystalline Silicon Microwires Including the Thermoelectric Thomson Effect," LL5.22, on December 1, 2009.
5. A. Cywar, "Rapid Solid-Liquid Phase-Change Oscillations in Nanocrystalline Silicon Wires," MM7.7, on December 2, 2009.
6. H.Silva, "Electron-phonon Interactions in Silicon Microwires under Extreme Electrical Stress," Z6.2, on December 2, 2009.
| Phone: | (860)486-7981 |
| Fax: | (860)486-2447 |
| Address: | 371 Fairfield Way, U-2157 Storrs, CT 06269, USA |
Funding Sources:


[1] NSF ECCS 0824171: "GOALI: Side gated ultra narrow channel silicon MOSFETs and transport studies at nanometer scale," A. Gokirmak and R. Nunes, ($255,475), Start: August 1, 2008, http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0824171
[2] NSF ECCS 0925973: "Fundamentals and applications of thermoelectric transport in nanometer scale phase-change bridge memory devices," H. Silva and C. Lam, ($314,079), Start: September 15, 2009, http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0925973
[3] DE-SC0005038: “Crystallization and thermoelectric transport in silicon nanostructures under extreme electrical stress,” A. Gokirmak and H. Silva, ($512,000), Start: September 15, 2010.