Publications
24. A. Krayev, T. Peña, A.E.O. Persson, K. Neilson, A.T. Hoang, A.J. Mannix, & E. Pop, “Nano-Raman Imaging of Monolayer MoS2 Nanoribbons”, Appl. Phys. Lett., 128, 203102 (2026).
23. T. Peña*, A.E.O. Persson*, A. Krayev, Á. Friðriksdóttir, H. Su, Y.-M. Lee, Y.S. Song, K. Neilson, Z. Zhang, A.T. Hoang, J.A. Yang, L. Hoang, S.X. Wang, A.J. Mannix, P.C. McIntyre, & E. Pop, “Scaling Nanoribbon Transistors with Monolayer Transition Metal Dichalcogenides”, Nat. Nanotechnol., in press (2026).
22. F.F. Athena, J. Hartanto, M. Passlack, J.C. Evans, J. Qin, D. Dede, K. Jana, S. Liu, T. Peña, E. Pop, G. Pitner, I.P. Radu, P.C. McIntyre, & H.-S.P. Wong, “Gate Dielectric Engineering with an Ultrathin Silicon Oxide Interfacial Dipole Layer for Low-leakage Oxide-Semiconductor Memories”, Nano Lett., 26, 3338-3346 (2026). (Selected as Cover Article)
21. Y. Yang, K. Xu, T. Peña, K. Neilson, X. Zheng, A.T. Hoang, K. Yang, Z. Hennighausen, T. Zhang, L.N. Holtzman, C.A. Nattoo, J.C. Hone, K. Barmak, J. Kong, A.J. Mannix, E. Pop, & M.R. Rosenberger, “Nondestructive Atomic Defect Quantification of Two-Dimensional Materials and Devices”, ACS Appl. Mater. Interfaces, 18, 10161-10170 (2026).
20. R.K.A. Bennett, J.L. Uslu, H.F. Gault, A.I. Khan, L. Hoang, T. Peña, K. Neilson, Y.S. Song, Z. Zhang, A.J. Mannix, & E. Pop, “Deep Learning to Automate Fitting and Parameter Extraction of 2D Transistors”, Research, in press (2026).
19. L. Hoang, R.K.A. Bennett, A.T. Hoang, T. Peña, Z. Zhang, Z. Peng, M. Hocking, A. Saunders, M. Jaikissoon, F. Liu, E. Pop, & A.J. Mannix, “Low Resistance p-Type Contacts to Monolayer WSe2 through Chlorinated Solvent Doping”, Nat. Commun., 17, 718 (2026).
18. C.A. Nattoo*, T. Peña*, K. Nassiri Nazif, X. Wu, S. Rahimisheikh, G. D’Acunto, S.F. Bent, J. Hadermann, & E. Pop, “Optoelectronic Properties of Atomic Layer Deposited and Sputtered MoS2 Films”, ACS Appl. Mater. Interfaces, 17, 47347-47354 (2025).
17. K. Neilson, M. Jaikissoon, D. Zakhidov, T. Peña, A. Salleo, K. Saraswat, & E. Pop, “Direct X-Ray Measurements of Strain in Monolayer MoS2 from Capping Layers and Geometrical Features”, Appl. Phys. Lett., in press (2025). (Selected as Editor’s Pick)
16. H. Su*, Y.-M. Lee*, T. Peña, S. Fultz-Waters, J. Kang, Ç. Köroğlu, S. Wahid, Y.S. Song, H.-S. Philip Wong, S.X. Wang, & E. Pop, “High-Field Breakdown and Thermal Characterization of Indium Tin Oxide Transistors”, ACS Nano, 19, 16794–16802 (2025).
15. M.J. Wright, R. Beban, O. Chierchio, L. McCluney, T. Peña, & J.P. St John, “Advanced Undergraduate Lab on Quantum Beats”, Am. J. Phys., 93, 187-192 (2025).
14. Y. Zhang, M. Abir Hossain, K.J. Hwang, P.F. Ferrari, J. Maduzia, T. Peña, S.M. Wu, E. Ertekin, & A.M. van der Zande, “Patternable Process-Induced Strain in 2D Monolayers and Heterobilayers”, ACS Nano, 18, 4205-4215 (2024).
13. A. Azizimanesh, A. Dey, S.A. Chowdhury, E. Wenner, W. Hou, T. Peña, H. Askari, & S.M. Wu, “Strain Engineering in 2D hBN and Graphene with Evaporated Thin Film Stressors”, Appl. Phys. Lett., 123, 043504 (2023).
12. T. Peña, A. Dey, S.A. Chowdhury, A. Azizimanesh, W. Hou, A. Sewaket, C. Watson, H. Askari, & S.M. Wu, “Moiré Engineering in 2D Heterostructures with Process-Induced Strain”, Appl. Phys. Lett., 122, 143101 (2023).
11. A. Dey, S.A. Chowdhury, T. Peña, S. Singh, S.M. Wu, & H. Askari, “An Atomistic Insight to Moiré Reconstruction in Twisted Bilayer Graphene Beyond Magic Angle”, ACS Appl. Eng. Mater., 1, 970 (2023).
10. T. Peña, J. Holt, A. Sewaket, & S.M. Wu, “Ultrasonic Delamination Based Adhesion Testing for High Throughput Assembly of van der Waals Heterostructures”, J. Appl. Phys., 132, 225302 (2022).
9. C. Watson, T. Peña, M. Abdin, T. Khan, & S.M. Wu, “Dynamic Adhesion of 2D Materials to Mixed Phase BiFeO3 Structural Phase Transitions”, J. Appl. Phys., 132, 045301 (2022). (Chosen as a Featured Article)
8. W. Hou, S.A. Chowdhury, A. Dey, C. Watson, T. Peña, A. Azizimanesh, H. Askari, & S.M. Wu, “Nonvolatile Ferroelastic Strain from Flexoelectric Internal Bias Engineering”, Phys. Rev. Appl., 17, 024013 (2022). (Editor’s Suggestion)
7. T. Peña, A. Azizimanesh, L. Qiu, A. Mukherjee, A.N. Vamivakas & S.M. Wu, “Temperature and Time Stability of Process-Induced Strain Engineering on 2D Materials”, J. Appl. Phys., 131, 024304 (2022).
6. T. Peña, S.A. Chowdhury, A. Azizimanesh, A. Sewaket, H. Askari, & S.M. Wu, “Strain Engineering 2D MoS2 with Thin Film Stress Capping Layers”, 2D Mater., 8, 045001 (2021). (IOP Publishing Top 1% Cited Paper Award North America)
5. S.A. Chowdhury, K. Inzani, T. Peña, A. Dey, S.M. Wu, S.M. Griffin, & H. Askari, “Mechanical Properties and Strain Transfer Behavior of Molybdenum Ditelluride (MoTe2) Thin Films”, J. Eng. Mater. Technol., 144, 011006 (2021).
4. A. Azizimanesh, T. Peña, A. Sewaket, W. Hou, & S.M. Wu, “Uniaxial and Biaxial Strain Engineering in 2D MoS2 with Lithographically Patterned Thin Film Stressors”, Appl. Phys. Lett., 118, 213104 (2021).
3. C. Chakraborty, A. Mukherjee, H. Moon, K. Konthasinghe, L. Qiu, W. Hou, T. Peña, C. Watson, S.M. Wu, D.R. Englund, & A.N. Vamivakas, “Strain-Tuning of the Emission Axis of Quantum Emitters in an Atomically Thin Semiconductor”, Optica, 7, 580 (2020).
2. W. Hou, A. Azizimanesh, A. Sewaket, T. Peña, C. Watson, M. Liu, H. Askari & S.M. Wu, “Strain Based Room-Temperature Non-Volatile MoTe2 Ferroelectric Phase Change Transistor”, Nat. Nanotechnol., 14, 668 (2019).
1. B. Kauffman, T. Paltoo, T. Grogan, T. Peña, J.P. St John, & M.J. Wright, “Pulsed, Controlled, Frequency-Chirped Laser Light at GHz Detunings for Atomic Physics Experiments”, Appl. Phys., B. 123, 58 (2017).
Conference Proceedings
27. T. Peña, A.E.O. Persson, A. Krayev, Á. Friðriksdóttir, H. Su, Y.-M. Lee, Y.-S. Song, K. Neilson, Z. Zhang, A.T. Hoang, J.A. Yang, L. Hoang, A.J. Mannix, P.C. McIntyre, & E. Pop, “High-Performance Nanoribbon Transistors with Monolayer Transition Metal Dichalcogenides”, Materials Research Society (MRS) Spring Meeting, Apr 2026, Honolulu HI.
26. T. Peña, A.E.O. Persson, A. Krayev, Á. Friðriksdóttir, H. Su, Y.-M. Lee, Y.-S. Song, K. Neilson, Z. Zhang, A.T. Hoang, J.A. Yang, L. Hoang, A.J. Mannix, P.C. McIntyre, & E. Pop, “High-Performance Nanoribbon Transistors with Monolayer Transition Metal Dichalcogenides”, American Physical Society (APS) Global Summit, Mar 2026, Denver CO.
25. H. Phillips, T. Peña, S. Lai, L. Hoang, L. Alson, A.T. Hoang, J.A. Yang, H.-Y. Lan, A.J. Mannix, F. Liu, & E. Pop, “P-Type Doping of WSe2 Transistors via Time-Stable Native Oxide Formation”, Materials Research Society (MRS) Spring Meeting, Apr 2026, Honolulu HI.
24. Z. Han, T. Peña, C.A. Nattoo, W. Zhou, A.T. Hoang, A.J. Mannix, & E. Pop, “Defects and Strain Inhomogeneities of Two-Dimensional Materials Probed by Raman Spectroscopy”, Materials Research Society (MRS) Spring Meeting, Apr 2026, Honolulu HI.
23. F.F. Athena*, T. Peña*, K.F. Rozylowicz*, A.T. Hoang, A.J. Mannix, H.-S. Philip Wong, E. Pop, & A. Salleo, “Graph Neural Network Guided Selection of Functional Polymers for Charge Transfer Doping of 2D Materials”, AI4Mat: AI for Accelerated Materials Design, December 2025, San Diego, CA
22. Y.S. Song, H. Su, T. Peña, A.E.O. Persson, K. Yang, E. Yalon, R.K.A. Bennett, Z. Han, K. Neilson, J. Kang, J.A. Yang, H.-S. Philip Wong, S.X. Wang, E. Pop, “First Comparative Thermal Evaluation of 2D Semiconductor vs. Silicon Nanosheet Transistors”, IEEE Intl. Electron Devices Meeting (IEDM), December 2025, San Francisco, CA
21. L. Hoang, R.K.A. Bennett, A.T. Hoang, T. Peña, Z. Zhang, Z. Peng, M. Hocking, A. Saunders, F. Liu, E. Pop, & A.J. Mannix, “Low Resistance and Stable p-Type Contacts to Monolayer WSe2 through Chlorinated Solvent Doping”, Semiconductor Research Corporation (SRC) TECHCON, September 2025, Austin, TX
20. R.K.A. Bennett, H.F. Gault, A.I. Khan, L. Hoang, T. Peña, K. Neilson, Y.S. Song, Z. Zhang, A.J. Mannix, & E. Pop, “Deep Learning to Automate Fitting and Parameter Extraction of 2D Transistors”, IEEE SNW (Silicon Nanoelectronics Workshop), June 2025, Kyoto, Japan
19. T. Peña, A.T. Hoang, Á. Friðriksdóttir, Z. Han, K. Neilson, S. Lai, J. Wang, C.A. Nattoo, T.F. Heinz, P.C. McIntyre, A.J. Mannix, & E. Pop, “Opto-Electronic Properties of Isotopically Purified Monolayer MoS2”, Materials Research Society (MRS) Spring Meeting, April 2025, Seattle, WA
18. J.A. Yang, T. Peña, A. Wright, P. Adams, A.T. Hoang, J. Taggart, D.L. Daniel, & E. Pop, “High Energy Radiation Hardness of Isotopically Pure Monolayer MoS2 Probed by Raman Spectroscopy”, Materials Research Society (MRS) Spring Meeting, April 2025, Seattle, WA
17. L. Hoang, A.T. Hoang, T. Peña, Z. Zhang, Z. Peng, M. Hocking, A. Saunders, F. Liu, E. Pop, & A.J. Mannix, “Low Resistance and Stable p-Type Contacts to Monolayer WSe2 through Chlorinated Solvent Doping”, Materials Research Society (MRS) Spring Meeting, April 2025, Seattle, WA
16. R.K.A. Bennett, H.F. Gault, A.I. Khan, K. Neilson, L. Hoang, T. Peña, Z. Zhang, A.J. Mannix, & E. Pop, “Machine Learning to Extract Two-Dimensional Semiconductor Material Properties from Transistor Measurements”, Materials Research Society (MRS) Spring Meeting, April 2025, Seattle, WA
15. A. Singh, T. Peña, X. Zheng, J. Kong, E. Pop, & F. Rana, “Using Spectroscopy of Many Body Physics to Map Spatial Variations in Strain, Electron-Density and Point-Defect Density in Wafer-Scale, CVD grown, 2D Transition Metal Dichalcogenides”, American Physical Society (APS) March Meeting, March 2025, Anaheim, CA
14. K. Neilson, M. McDonough, A.T. Hoang, M. Hilse, T. Peña, S. Law, & E. Pop, "Molecular Beam Epitaxy as a Contact to p-Type Monolayer WSe2", Semiconductor Research Corporation (SRC) TECHCON, September 2024, Austin, TX (Top 10 Best Student Presenter Award)
13. J.A. Yang, L.A. Hoang, T. Peña, Z. Zhang, A.J. Mannix, & E. Pop, “Effects of High-κ Dielectric Encapsulation and Carrier Density on Raman Scattering in Synthetic Monolayer WS2”, Materials Research Society (MRS) Spring Meeting, April 2024, Seattle, WA
12. C.A. Nattoo, T. Peña, K. Nassiri Nazif, A.C. Johnson, F. Liu, & E. Pop, “Rapid Detection of Defects in Monolayer 2D Semiconductors by Polarized Raman Spectroscopy”, Materials Research Society (MRS) Spring Meeting, April 2024, Seattle, WA
11. T. Peña & E. Pop, “What are 2D materials Good for?”, American Vacuum Society (AVS) 69th International Symposium & Exhibition, November 2023, Portland, OR
10. T. Peña & E. Pop, “Process-Induced Strain Engineering for 2D Heterostructures & Devices”, Stanford SystemX Fall Conference, November 2023, Palo Alto, CA
9. Y. Zhang, M. Hossain, K. Hwang, J. Maduzia, P. Ferrari, T. Peña, S.M. Wu, & A.M. van der Zande, “Complex Strain Profiles and Electronic Mobility Enhancement in Two-Dimensional Monolayers using Patterned Stressor Layers”, Materials Research Society (MRS) Fall Meeting, November 2022, Boston, MA
8. T. Peña, A. Azizimanesh, J. Holt, S.A. Chowdhury, L. Qiu, A. Mukherjee, A.N. Vamivakas, H. Askari & S.M. Wu, “Heterostrain Engineering for Twisted and Non-Twisted 2D Systems with Process Induced Strain”, Materials Research Society (MRS) Spring Meeting, May 2022, Honolulu, HI
7. T. Peña, A. Azizimanesh, J. Holt, S.A. Chowdhury, L. Qiu, A. Mukherjee, A.N. Vamivakas, H. Askari & S.M. Wu, “Heterostrain Engineering for Twisted and Non-Twisted 2D Systems with Process Induced Strain”, American Physical Society (APS) March Meeting, March 2022, Chicago, IL
6. C. Watson, A. Sewaket, T. Peña, & S.M. Wu, “Nanoscale Strain in 2D Materials from Coupled Structural Phase Transformations in BiFeO3”, American Physical Society (APS) March Meeting, March 2022, Chicago, IL
5. W. Hou, A. Azizimanesh, A. Sewaket, S.A. Chowdhury, A. Dey, C. Watson, T. Peña, H. Askari, & S.M. Wu, “Controlling Electronic Phase of MoTe2 with Piezoelectric Strain Engineering”, American Physical Society (APS) March Meeting, March 2022, Chicago, IL
4. A. Azizimanesh, T. Peña, A. Sewaket, W. Hou, & S.M. Wu, “Uniaxial and Biaxial Strain Engineering in 2D Materials with Thin Film Stressors”, American Physical Society (APS) March Meeting, March 2022, Chicago, IL
3. M.J. Wright, T. Grogan, J. St John, & T. Peña, “Undergraduate Research Laboratory for Controlling Atoms with Frequency Modulated Light”, American Physical Society (APS) March Meeting, March 2018, Los Angeles, CA
2. T. Peña, J.P. St. John, T. Grogan, & M.J. Wright, “Investigation of Quantum Interference in Spontaneous Emission in an Atomic Gas with a Single Pulsed Laser”, Adelphi University Research Conference, April 2017, Garden City, NY
1. T. Peña, K. Hiersche, T. Grogan, & M.J. Wright, “Two Undergraduate Projects for Data Acquisition and Control”, American Physical Society (APS) March Meeting, March 2016, Baltimore, MD