• Invited Talks, Workshops, and Tutorials

I35.          “Joule heating and thermal transport in 2D materials for device applications,” IEEE Nano Materials and Devices (NMDC), Salt Lake City, October 22-24, 2024

I34.          “Numerical Simulation of Charge Transport in Doped Conjugated Polymers for Organic Electronics,”  Applied Mathematics and Simulation for Semiconductor Devices (AMaSIS), Berlin, Germany, Sept. 10-13, 2024

I33.         “Numerical Simulation of Electronic and Thermoelectric Properties in Doped Conjugated Polymers,” Materials Research Society (MRS) Fall Meeting 2023, Boston, MA, Dec. 2023

I32.         “Machine Learning Enables Robust Prediction of Heat Transfer at 2D-3D interfaces,” Society of Engineering Science (SES) Annual Technical Meeting 2023, University of Minnesota, Oct. 8-11, 2023

I31.         “Electro-Thermal Transport in 2D Materials and Across Their Interfaces,” ACS Rocky Mountain Regional Meeting, University of Wyoming, Laramie WY, Sept. 15-17, 2023

I30.         “Machine Learning for Thermal Management of Nanoelectronics,” University of Wisconsin Madison Computing in Engineering Forum (Sept. 21, 2022)

I29.         “Electro-Thermal Transport in Nanoscale and 2D Electronic Materials,” University of Utah MSE graduate seminar, virtual (May 2021).

I28.         “Thermoelectric Transport in Nanostructured Materials: the Wigner-Boltzmann Approach,” International Wigner Workshop, Seol, Korea (May 2021).

I27.        CECAM Workshop on “Quantum Transport: From Nanoscopic to Microscopic Modelling,” ETH Zurich, Switzerland (June 15-18, 2020)

I26.        “Thermal transport in 2D materials from first principles: the role of interface and substrate,” 237th ECS Meeting, Montreal, Canada (May 10-15, 2020)

I25.        “Self-heating in Advanced CMOS-Compatible and 2-dimensional Semiconductor Devices,” 237th ECS Meeting, Montreal, Canada (May 10-15,2020)

I24.        “Nanophononics: dissipation and thermoelectric energy conversion in nanoscale devices,” DESY-PIER graduate student workshop, University of Hamburg, Germany (Sept. 24, 2019)

I23.        “Thermal Effects in Semiconductors and Nano-Devices,” International Workshop on Computational Nanotechnology, Evanston, IL (May 19-24, 2019)

I22.        “Electronic and Thermoelectric Transport in 2-Dimensional Materials and Heterostructures,” IEEE Nanotechnology Materials and Devices Conference (NMDC), Portland, OR (Oct. 14-17, 2018).

I21.        “Extrinsic and collective effects on thermal transport in 2D/3D alloys and nanostructures”, to be presented at a Special Session on Thermal Effects in the IEEE Nanotechnology Materials and Devices Conference (NMDC), Portland, OR (Oct. 14-17, 2018).

I20.        “Frequency-dependent Thermal Conductivity of Graphene in the Hydrodynamic Regime”, with A. K. Majee, IEEE Nano, Pittsburgh, PA (July 25-28, 2017).

I19.        “Phonon Transport in 2-dimensional Materials and Alloys”, Tutorial/Workshop at the IEEE Nano, Pittsburgh, PA (July 25th, 2017).

I18.        “Thermal Transport in 2-dimensional Materials and Heterostructures”, Workshop at the International Institute of Physics, Federal University of Rio Grande do Norte, Natal, Brazil (November 7th, 2016).

I17.        “Numerical Simulation of Thermal Transport in Semiconductor Nanostructures”, High-Performance Computing Day at University of Massachusetts Dartmouth (May 17th, 2016).

I16.        Z. Aksamija, “Phonons, Phonons Everywhere: Thermal Transport in Semiconductor Nanostructures”, EE Graduate Seminar, University of Notre Dame, IN (Feb. 20th, 2015).

I15.        Z. Aksamija, “Phonons, Phonons Everywhere: Thermal Transport in Semiconductor Nanostructures”, ECE Graduate Seminar, University of Connecticut (Sept. 27th, 2014).

I14.        Z. Aksamija, “Phonons, Phonons Everywhere: Thermal Transport in Semiconductor Nanostructures”, ECE Graduate Seminar, University of Illinois at Urbana/Champaign (Sept. 11th, 2014).

I13.        Z. Aksamija, “Anisotropic Phonon Transport in SiGe and Graphene Nanostructures”, S3TEC seminar, Massachusetts Institute of Technology (March 4th, 2014).

I12.        Z. Aksamija, “Phonons, Phonons Everywhere: Thermal Transport in Semiconductor Nanostructures”, Condensed Matter Physics Seminar, University of Massachusetts-Amherst (Feb. 27th, 2014).

I11.        Z. Aksamija, “Semiconductor Nanostructures for Efficient Thermo-electric Energy Conversion”, Electrical Engineering Seminar, University of Massachusetts-Amherst (March. 27th, 2013).

I10.        Z. Aksamija, “Semiconductor Nanostructures for Efficient Thermo-electric Energy Conversion”, Mechanical Engineering Seminar, Georgia Institute of Technology, Atlanta, GA (Feb. 5th, 2013).

I9.           Z. Aksamija and I. Knezevic, “Phonon Transport in Silicon and Graphene Nanostructures”, 14th International Conference on Phonon Scattering in Condensed Matter (PHONONS 2012), Ann Arbor, MI (July 8-12, 2012).

I8.           Z. Aksamija and I. Knezevic, “Numerical Simulation of Thermal Transport in Nanostructured Semiconductor Devices”, Invited Workshop at the PhononSchool, International Workshop on Computational Electronics, Madison, WI (May 22-25, 2012).

I7.           Z. Aksamija, “Semiconductor Nanostructures for Efficient Thermo-electric Energy Conversion”, International Conference on Materials, Energy and Environment (IMCEE), Toledo, OH (May 9-11, 2012).

I6.           Z. Aksamija, “Semiconductor Nanostructures for Efficient Thermo-electric Energy Conversion”, Mechanical Engineering Seminar, University of Pennsylvania, Philadelphia, PA (Feb. 6th, 2012).

I5.           Z. Aksamija and I. Knezevic, “Thermoelectric Properties of Silicon-On-Insulator (SOI) Nanostructures”, International Symposium on SOI Technology (ECS-SOI), 219th Electro-Chemical Society Meeting (ECS-219), Montreal, Canada (May 1-6, 2011).

I4.           Z. Aksamija and I. Knezevic, “Nanostructured Semiconductor Thermoelectrics”, Network for Computational Nanotechnology, University of Illinois at Urbana/Champaign (December 2, 2010).

I3.           Z. Aksamija and I. Knezevic, “Thermoelectric Properties of Semiconductor Nanostructures”, ECE Departmental Seminar, University of Illinois at Chicago (November 5, 2010).

 I2.           Z. Aksamija and I. Knezevic, “Computational Design of Semiconductor Nanostructures for Optoelectronic, Electronic, and Thermoelectric Applications,” IEEE NANO 2010, Seoul, Korea (August 17-20, 2010).

I1.           Z. Aksamija, and U. Ravaioli, “Detailed Analysis of Electro-thermal Effects in Nanoscale MOSFETs”, International Microwave Symposium (IMS’08), Atlanta, GA (June 15-20, 2008).

  • Conference Talks and Other Presentations

P68.         S. Makumi and Z. Akšamija, “Impact of Substrate Roughness on the Thermal Boundary Conductance in 2D Materials,” American Physical Society (APS) March Meeting, Minneapolis, MN (March 3-9, 2024)

P67.         A. Belanger and Z. Akšamija, “Investigation of Phonon Hydrodynamics in Graphene via Monte Carlo Simulations,” American Physical Society (APS) March Meeting, Minneapolis, MN (March 3-9, 2024)

P66.         A. Tolton and Z. Akšamija, “Impact of Doping on Absorbance Tails and Power Conversion Efficiency of Photovoltaics,” American Physical Society (APS) March Meeting, Minneapolis, MN (March 3-9, 2024)

P65.         M. Duhandzic, M. Lu-Díaz, S. Samanta, D. Venkataraman, and Z. Akšamija, “Connecting optical absorption to doping in conjugated polymers,” American Physical Society (APS) March Meeting, Minneapolis, MN (March 3-9, 2024)

P64.         S. Makumi and Z. Akšamija, “2D materials Enhance Thermal Boundary Conductance at vdW Interfaces of β-Ga2O3,” American Physical Society (APS) March Meeting, Minneapolis, MN (March 3-9, 2024)

P63.         Michael Lu-Díaz, Muhamed Duhandzic, Subhayan Samanta, Simon Harrity, Z. Akšamija, Dhandapani Venkataraman, “Role of Polymer-Dopant Distance on Charge Transport in Amorphous and Crystalline Domains in Doped Conjugated Polymers,” Materials Research Society (MRS) Fall Meeting, Boston, MA (Nov. 2023).

P62.         A. Tolton and and Z. Akšamija, “The Effects of Doping on Organic Thermoelectrics: Analyzing the Dopant-Induced Disorder,” Materials Research Society (MRS) Fall Meeting, Boston, MA (Nov. 2023).

P61.         S. Klein and Z. Akšamija, “Electrothermal Properties of 2D Materials,” International Workshop on Computational Nanotechnology (IWCN), Barcelona, Spain (June 2023).

P60.         M. Duhandzic, M. Lu-Díaz, S. Sumanta, D. Venkataraman, and Z. Akšamija, “Carrier Screening of Dopant Coulomb Interactions in Organic Electronics,” American Physical Society (APS) March Meeting, Las Vegas, NV (March 2023).

P59.         Michael Lu-Díaz, M. Duhandzic, Z. Akšamija, D. Venkataraman, “Correlating Charge Transport with Intrinsic Energetic Disorder, Paracrystallinity and Carrier-Dopant Distance in Doped Conjugated Polymers”, Materials Research Society Fall Meeting, Boston, MA (Dec. 2022)

P58.         C. J. Foss and Z. Akšamija,”Electro-thermal properties of 2D materials and devices,” IEEE Nano Materials and Devices Conference (NMDC), Nanjing, China (Nov. 2022)

P57.        C. J. Foss, A. K. Majee, and Z. Akšamija, “Coupled Electro-thermal Simulation of 2D FETs,” International Conference on Simulation of Semiconductor Processes and Devices (SISPAD’12), Dallas, TX (September 2021).

P56.        C. J. Foss and Z. Akšamija, “Thermal boundary conductance of buckled group IV, V, and III-V two-dimensional materials,” American Physical Society (APS) March Meeting 2021, virtual

P55.        A. Qureshi and Z. Akšamija, “A hybrid model for thermal transport in Si nanostructures from first principles,” American Physical Society (APS) March Meeting 2021, virtual

P54.        M. Upadhyaya, C. Boyle, M. Lu-Diaz, D. Venkataraman, and Z. Akšamija, “Coulombic Interactions and Charge Transport Dynamics in Organic Thermoelectrics,” Materials Research Society (MRS) Fall 2020 virtual meeting.

P53.        C. J. Foss, and Z. Akšamija, “Thermal Boundary Conductance of Buckled Group IV, V, and III-V Two-Dimensional Materials,” Materials Research Society (MRS) Fall 2020 virtual meeting.

P52.        A. K. Majee, C. J. Foss, and Z. Akšamija, “Electron-Phonon Coupling Enhances Thermal Boundary Conductance of 2D-3D Interfaces,” Materials Research Society (MRS) Fall 2020 virtual meeting.

P51.        M. Upadhyaya, C. Boyle, M. Lu-Diaz, D. Venkataraman, and Z. Akšamija, “Effect of Coulombic Interactions and Dopant Distribution on Charge Transport Dynamics in Polymer Thermoelectrics,” Virtual Conference on Thermoelectrics (July 21-23, 2020)

P50.        C. J. Foss and Z. Akšamija, “Thermal boundary conductance of beyond graphene two dimensional materials,” American Physical Society (APS) March Meeting, Denver, CO (March 2-6, 2020).

P49.        M. Upadhyaya, C. Boyle, M. Lu-Diaz, D. Venkataraman, and Z. Akšamija, “Effect of Doping Distribution on Charge Transport Dynamics in Polymer Thermoelectrics,” Materials Research Society (MRS) Fall Meeting, Boston, MA (Dec. 1-6, 2019).

P48.        M. Lu-Díaz, C. Boyle, M. Upadhyaya, Z. Akšamija, D. Venkataraman, “Effect of Dopant Clustering on Thermoelectric Properties of Polymer Films,” Materials Research Society (MRS) Fall Meeting, Boston, MA (Dec. 1-6, 2019).

P47.        A. K. Majee and Z. Akšamija, “Joule Heating and Its Impact on Thermal Management in Few-Layer WSe2,” Materials Research Society (MRS) Fall Meeting, Boston, MA (Dec. 1-6, 2019).

P46.        A. Kommini and Z. Akšamija, “Wigner-Boltzmann Transport Simulation for Improving the Thermoelectric Power Factor in 2D Materials,” 3rd International Wigner Workshop, Evanston, IL (May 19-20, 2019).

P45.        C. J. Foss and Z. Akšamija, “Quantifying thermal boundary conductance of 2D-3D interfaces,” American Physical Society (APS) March Meeting, Boston, MA (March 4-8, 2019).

P44.        A. Kommini and Z. Akšamija, “Materials selection rules for optimum power factor in 2-dimensional thermoelectrics,” American Physical Society (APS) March Meeting, Boston, MA (March 4-8, 2019).

P43.        M. Upadhyaya and Z. Akšamija, “Effect of Disorder on the Thermoelectric Properties of Semiconducting Polymers,” Materials Research Society (MRS) Fall Meeting, Boston, MA (Nov. 30-Dec. 4, 2018)

P42.        A. Kommini and Z. Akšamija, “Improving the Thermoelectric Power Factor in 2D Materials Using Periodic Potential Barriers,” Materials Research Society (MRS) Fall Meeting, Boston, MA (Nov. 30-Dec. 4, 2018)

P41.        M. Upadhyaya and Z. Akšamija, “Thermoelectric Properties of Disordered Organic Polymers,” International Conference on Thermoelectrics (ICT), Caen, France (July 2-7, 2018).

P40.        V. Dusetty and Z. Akšamija, “Improved Thermoelectric Figure-of-Merit in Bulk and Nanostructured Si-Sn Alloys,“ 60th Electronic Materials Conference (EMC-60), University of California, Santa Barbara (Jun. 27-29, 2018).

P39.        C. J. Foss and Z. Akšamija, “Quantifying the thermal boundary conductance of 2D-substrate interfaces”, 76th Device Research Conference (DRC), University of California, Santa Barbara (Jun. 24-27, 2018).

P38.        A. K. Majee, C. J. Foss, A. Kommini, and Z. Akšamija “Thermal and Electronic Transport Dynamics at 2D Interfaces”, Gordon Research Conference: Two Dimensional Electronics Beyond Graphene, Stonehill College, Easton, MA (Jun. 3-8, 2018)

P37.        M. Upadhyaya and Z. Akšamija, “Effects of Disorder on Thermoelectric Properties of Semiconducting Polymers”, High Performance Computing (HPC) Day, University of Massachusetts Dartmouth (May 18th, 2018)

P36.        C. J. Foss and Z. Akšamija, “Effects of Alloying on In-Plane and Cross-Plane Phonon Transport in Transition Metal Dichalcogenide Monolayers”, Materials Research Society (MRS) Fall Meeting, Boston MA (Nov. 27-Dec. 1, 2017).

P35.        A. Kommini and Z. Akšamija, “Improving the Thermoelectric Power Factor of Semiconductor Quantum Structures”, International Conference on Thermoelectrics (ICT), Pasadena, CA (July 31-August 3, 2017).

P34.        A. Kommini and Z. Akšamija, “Towards a Higher Power Factor in 2D Materials: Role of Inelastic Scattering Mechanisms”, International Conference on Thermoelectrics (ICT), Pasadena, CA (July 31-August 3, 2017).

P33.        A. Kommini and Z. Akšamija, “Thermoelectric Properties of Periodic Quantum Structures in the Wigner-Rode Formalism”, High Performance Computing Day at University of Massachusetts Darthmouth (May 15th, 2017)

P32.        A. K. Majee and Z. Akšamija, “Dynamical Thermal Conductivity in Single-Crystalline Graphene Ribbons”, Materials Research Society (MRS) Meeting, Phoenix, AZ (April 17-21, 2017).

  • Recognition: “Best Poster” Award Finalist

P31.        M. Upadhyaya and Z. Akšamija, “Phonon Transport Dynamics in Si-Ge Nanowires and Nanocomposites”, Materials Research Society (MRS) Meeting, Phoenix, AZ (April 17-21, 2017).

P30.        M. Upadhyaya and Z. Akšamija, “Super-Diffusive Phonons: A Monte Carlo Study of the Levy Walk Phonon Transport Dynamics in SiGe Alloy Nanowires”, Electronic Materials Conference, University of Delaware (June 22-24th, 2016)

P29.        Z. Akšamija and A. K. Majee, “Impact of Mismatch Angle on Electronic and Thermal Transport Across Grain Boundaries and Interfaces in 2-dimensional Materials”, Gordon Research Conference: Two Dimensional Electronics Beyond Graphene, Mount Holyoke College, South Hadley, MA (June 5-June 10th, 2016)

P28.        C. J. Foss and Z. Akšamija, “Calculation of lattice vibrations in 2D materials using HPC Accelerated Quantum-Espresso”, High Performance Computing Day, University of Massachusetts Dartmouth (May 17th, 2016)

P27.        G. C. Correa and Z. Akšamija, “Flexural Phonon Contribution to Thermal Transport in Graphene Supported on Silicon Dioxide”, Materials Research Society (MRS) Fall Meeting, Boston, MA (Nov. 30-Dec. 4, 2015)

P26.        P. Yasaei, A. Fathizadeh*, A. Majee*, D. Estrada, C. Foster, Z. Akšamija, F. Khalili, A. Salehi, “Thermal Transport Across Individual Graphene Grain Boundaries”, Materials Research Society (MRS) Fall Meeting, Boston, MA (Nov. 30-Dec. 4, 2015)

P25.        A. Kommini and Z. Akšamija, “Low-temperature Enhancement of the Thermoelectric Seebeck Coefficient in Semiconductor Nanoribbons”, International Conference on Thermoelectrics (ICT-15), Dresden Germany (June 28-July 2nd, 2015)

P24.        A. K. Majee and Z. Akšamija, “Size Divergence of Thermal Conductivity in Graphene”, 2015 Materials Research Society (MRS) Spring Meeting, San Francisco, CA (Apr. 7-10, 2015)

P23.        D. P. Schroeder, Z. Akšamija, A. Rath, P. M. Voyles, M. G. Lagally, and M. A. Eriksson, “Thermal Resistance of Mechanically Transferred Single-Crystal Silicon Nanomembrane Interfaces”, 2014 Materials Research Society (MRS) Fall Meeting, Boston, MA (Dec. 6th, 2014).

P22.        Z. Akšamija, “Phonon Thermal Transport in SiGe-based Nanocomposites for Thermoelectric Applications”, American Physical Society March Meeting, Denver, CO (March 7th, 2014).

P21.        D. P. Schroeder, Z. Akšamija, M. G. Lagally, and M. A. Eriksson, “Measurements of the Interfacial Thermal Resistance Between Silicon Crystals with and without Intervening Molecular Films”, 2013 Materials Research Society (MRS) Fall Meeting, Boston, MA (December 2-6, 2013).

P20.        L. Maurer, Z. Akšamija, E. Ramayya, A. Davoody, and I. Knezevic, “Phonon Surface Scattering in Monte Carlo Simulations” 2013 American Physical Society (APS) March Meeting, Baltimore, MD (2013).

P19.        Z. Akšamija and I. Knezevic, “Reduced Thermal Conductivity in SiGe Alloy-based Superlattices for Thermoelectric Applications”, 2012 Materials Research Society (MRS) Fall Meeting, Boston, MA (November 2012).

P18.        D. P. Schroeder, Z. Akšamija, M. G. Lagally, and M. A. Eriksson, “Thermal Resistance of Transferred Si-nanomembrane Interfaces”, 2012 Materials Research Society (MRS) Meeting, Boston, MA (November 2012).

P17.        Z. Akšamija and I. Knezevic, “Simulation of Thermal Transport in Semiconductor Nanostructures on Heterogeneous Systems”, XSEDE12 Conference, Chicago, IL (July 2012).

P16.        Z. Akšamija and I. Knezevic, “Thermal Conductivity in SiGe Alloy-based Superlattices for Thermoelectric Applications”, 6th International Silicon-Germanium Technology and Device Meeting (ISTDM 2012), Berkeley, CA (June 2012).

P15.        Z. Akšamija and I. Knezevic, “Thermal transport in graphene-based nanostructures”, American Physical Society (APS) Meeting, Boston, MA (March 2012).

P14.        Z. Akšamija and I. Knezevic, “Thermal Transport in Suspended and Supported Graphene Nanoribbons”, Poster Session at the Expanding Cross-Disciplinary Dialogue in the Postdoctoral Community NSF Workshop, Washington, DC (April 2012).

P13.        D. P. Schroeder, A. M. Kiefer, D. M. Paskiewicz, Z. Akšamija, I. Knezevic, M. G. Lagally, and M. A. Eriksson, “Phonon Transport across Si Nanomembrane Interfaces: Structure and Thermal Conductivity”, MRS Fall Meeting, Boston, MA (Nov. 28-Dec. 2, 2011)

P12.        Z. Akšamija and I. Knezevic, “Interface Scattering in the Lattice Thermal Conductivity of Si/SiGe Superlattices“, American Physical Society (APS) Meeting, Dallas, TX (March 2011).

P11.        Z. Akšamija and I. Knezevic, “Anisotropy and Edge Roughness Scattering in the Lattice Thermal Conductivity of Graphene Nanoribbons“, American Physical Society (APS) Meeting, Dallas, TX (March 2011).

P10.        Z. Akšamija and I. Knezevic, “Modeling Thermal Conductivity of SOI Nanomembranes“, International Conference on Computational & Experimental Engineering and Sciences (ICCES’10), Las Vegas, NV (March 2010).

P9.          Z. Akšamija and I. Knezevic, “Anisotropy and Boundary Scattering in the Lattice Thermal Conductivity of Silicon-on-Insulator Nanomembranes“, American Physical Society (APS) Meeting, Portland, OR (March 2010).

P8.          D. Vasileska, K. Raleva, A. Hossain, S. M. Goodnick, Z. Akšamija and I. Knezevic, “Thermal

Modeling of Nanodevices”, Workshop on Emerging Device and Packaging Technologies, Arizona State University, Tempe, AZ (November 2010).

P7.          Z. Akšamija and U. Ravaioli, “Parallel Simulation of Single-Walled Carbon Nanotubes”, Scientific Discovery through Advanced Computing (SciDAC), San Diego, CA (June 2009).

P6.          Z. Akšamija and U. Ravaioli, “Parallel Simulation of Single-Walled Carbon Nanotubes”, DOE CSGF Fellows Conference, Washington, DC (June 2008).

P5.          Z. Akšamija and B. Philip, “Wavelets in Multigrid Algorithms”, Graduate Student Research Symposium, Los Alamos National Lab, Los Alamos, NM (July 2007).

P4.          Z. Akšamija and U. Ravaioli, “Electron-phonon interaction in semiconductor materials and devices”, Understanding Complex Systems Conference, Urbana, IL (May 2007).

P3.          Z. Akšamija and U. Ravaioli, “Joule Heating and Phonon Transport in Silicon”, Graduate Research Symposium, Beckman Institute, Urbana, IL (October 2006).

P2.          Z. Akšamija and U. Ravaioli, “Meshless Methods for Nanoscale Semiconductor Modeling”, CNST Nanotechnology Workshop, University of Illinois, Urbana, IL (May 2006).

P1.          Z. Akšamija and F. Kamalabadi, “A Multi-Channel De-noising Approach to Tomographic reconstruction”, Undergraduate Research Symposium, University of Illinois, (May 2003).