1. S M E. H. Yousuf, Y. Wang, N. Rudawski, and P. X.-L. Feng, “Graphene Trampoline Nanomechanical Resonators with Very High Quality Factors and Broad Dynamic Ranges”, Advanced Functional Materials, vol. 35, no. 48, art. no. e11158 (2025). Featured as Frontispiece.

2. S M E. H. Yousuf, Y. Wang, S. Ramachandran, J. Koptur-Palenchar, C. Tarantini, L. Xiang, S. McGill, D. Smirnov, E. Santos, P. X.-L. Feng, and X.-X. Zhang, “Mechanical Resonant Sensing of Spin Texture Dynamics in a 2D Antiferromagnet”, Advanced Materials, vol. 37, art. no. 2420168 (2025). Featured as inside-back Cover for Volume 37, Issue 29 (v37, 29c).

3. S M E. H. Yousuf, Steven W. Shaw, and P. X.-L. Feng, “Nonlinear Coupling of Closely Spaced Modes in Atomically Thin MoS2 Nanoelectromechanical Resonators”, Microsystems and Nanoengineering, vol. 10, art. no. 206 (2024). 

4. Y. Wang, S M E. H. Yousuf, and P. X.-L. Feng, “Two-Dimensional FePS3 Nanoelectromechanical Resonators with Local-Gate Electrostatic Tuning at Room Temperature”, Journal of Applied Physics, vol. 136, art. no. 23 (2024).

5. S M E. H. Yousuf and P. X.-L. Feng, “Atomic Layer Self-Transducing MoS2 Vibrating Channel Transistors with 0.5 pm/Hz1/2 Displacement Sensitivity at Room Temperature”, Applied Physics Letters, vol. 124, art. no. 053503 (2024). Featured as Editor’s Pick.

6. W. Sui, S M E. H. Yousuf, Y. Liu, S. J. Pearton, and P. X.-L. Feng, “Surface Adsorption and Air Damping Behavior of β-Ga2O3 Nanomechanical Resonators”, Advanced Materials Technologies, art. no. 2301356 (2024).

7. S. Hwang, J. D. Overmeyer, S M E. H. Yousuf, W. N. Carr, P. X.-L. Feng, and Y.-K. Yoon, “Silicon Phononic Nanowires Enable Ultra-Low Thermal Conductivity Measured by Raman Spectroscopy”, IEEE Photonics Technology Letters, vol. 36, no. 5, pp. 325-328 (2024).

8. T. Kaisar, S M E. H. Yousuf, J. Lee, A. Qamar, M. Rais-Zadeh, S. Mandal, and P. X.-L. Feng, “Five Low-Noise Stable Oscillators Referenced to the Same Multimode AlN/Si MEMS Resonator”, IEEE Transaction on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 70, no. 10, pp. 1213-1228 (2023).

9. S M E. H. Yousuf, J. Lee, S. W. Shaw, and P. X.-L. Feng, “Phononic Frequency Combs in Atomically Thin Nanoelectromechanical Resonators via 1:1 and 2:1 Internal Resonances”, Journal of Microelectromechanical Systems, vol. 32, no. 4, pp. 335-346 (2023).

10. R. Yang, S M E. H. Yousuf, J. Lee, P. Zhang, Z. Liu, and P. X.-L. Feng, “Raman Spectroscopic Probe for Nonlinear MoS2 Nanoelectromechanical Resonators”, Nano Letters, vol. 22, no. 14, pp. 5780-5787 (2022).

11. X.-Q. Zheng, T. Tharpe, S M E. H. Yousuf, N. G. Rudawski, P. X.-L. Feng, and R. Tabrizian, “High Quality Factors in Superlattice Ferroelectric Hf0.5Zr0.5O2 Nanoelectromechanical Resonators”, ACS Applied Materials and Interfaces, vol. 14, no. 32, pp. 36807-36814 (2022).

12. S M E. H. Yousuf, M. A. Sakib, and M. Z. Islam, “A High-Performance Plasmonic Nanosensor Based on an Elliptical Nanorod in an MIM Configuration”, IEEE Sensors Journal, vol. 18, no. 15, pp. 6145-6153 (2018).

13. M. A. Sakib, S M E. H. Yousuf, S. D. Gupta, and M. Z. Islam, “Proposition and Numerical Analysis of a Plasmonic Sensing Structure of Metallo-Dielectric Grating and Silver Nano-Slabs in a Metal-Insulator-Metal Configuration”, Plasmonics, vol. 13, pp. 2205-2213 (2018).

14. M. A. Jalil, S. S. Chowdhury, M. A. Sakib, S M E. H. Yousuf, E. K. Ashik, S. H. Firoz, and M. A. Basith, “Temperature-Dependent Phase Transition and Comparative Investigation on Enhanced Magnetic and Optical Properties Between Sillenite and Perovskite Bismuth Ferrite-rGO Nanocomposites”, J. Appl. Phys., vol. 122, no. 18, Art. no. 084902 (2017).

15. M. A. Basith, A. Billah, M. A. Jalil, N. Yesmin, M. A. Sakib, E. K. Ashik, S M E. H. Yousuf, S. S. Chowdhury, M. S. Hossain, S. H. Firoz, and B. Ahmmad, “The 10% Gd and Ti Co-Doped BiFeO3: A Promising Multiferroic Material”, J. Alloys Compd., vol. 694, pp. 792-799 (2017).

Conference

1. S M E. H. Yousuf, T. Tharpe, R. Tabrizian, and P. X.-L. Feng, “Probing Nonlinearity in Superlattice Hafnia-Zirconia-Alumina Nanoelectromechanical Resonators,” In Proc. Solid-State Sensors, Actuators, and Microsystems Workshop (Hilton Head 2024), Jun. 2024, pp. 394-397.

2. S M E. H. Yousuf, T. Kaisar, S. W. Shaw, and P. X.-L. Feng, “Nonlinear Mode Coupling Coefficient Extraction in Atomically Thin MoS2 Nanoelectromechanical Resonators”, in Proc. 37th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2024), Jan. 2024, pp. 553-556.

3. T. Kaisar, S M E. H. Yousuf, N. Casilli, M. Rais-Zadeh, S. Mandal, C. Cassella, and P. X.-L. Feng, “Demonstration of Artificial Spin states Using Sub-Harmonic Injection Locking in AlN-on-Si Length Extensional Mode MEMS Self-Sustaining Oscillator”, in Proc. 37th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2024), Jan. 2024, pp. 186-189.

4. S M E. H. Yousuf and P. X.-L. Feng, “High-Performance Monolayer and Bilayer MoS2 Vibrating Channel Transistors for Ultrasensitive Drain-Source Current Readout of Resonant Motion”, in Proc. 2023 International Electron Devices Meeting (IEDM 2023), Dec. 2023, pp. 17.4.1-17.4.4.

5. S. Hwang, J. D. Overmeyer, S M E. H. Yousuf, W. N. Carr, P. X.-L. Feng, and Y.-K. Yoon, “Optimization of Si PnC MEMS Nanowires for Ultra-Low Thermal Conductivity”, in Proc. 2023 IEEE 73rd Electronic Components and Technology Conference (ECTC), May 2023, pp. 2150-2153.

6. S M E. H. Yousuf, Y. Wang, J. Lee, S. W. Shaw, and P. X.-L. Feng, “Parametric Amplification and Phononic Frequency Comb Generation in MoS2 Nanoelectromechanical Resonators”, in Proc. 36th IEEE International Conference on Micro Electro Mechanical Systems (MEMS), Jan. 2023, pp. 613-616.

7. Y. Liu, S M E. H. Yousuf, A. Qamar, M. Rais-Zadeh, and P. X.-L. Feng, “Air Damping Effects on Different Modes of AlN-on-Si Microelectromechanical Resonators”, in Proc. 36th IEEE International Conference on Micro Electro Mechanical Systems (MEMS), Jan. 2023, pp. 897–900.

8. S M E. H. Yousuf, Y. Liu, X.-Q. Zheng, A. Qamar, M. Rais-Zadeh, and P. X.-L. Feng, “Retaining High Q Factors in Electrode-Less AlN-on-Si Bulk Mode Resonators with Non-Contact Electrical Drive”, in Proc. 35th IEEE International Conference on Micro Electro Mechanical Systems (MEMS), Jan. 2022, pp. 979-982.

9. T. Kaisar, S M E. H. Yousuf, J. Lee, A. Qamar, M. Rais-Zadeh, S. Mandal, P. X.-L. Feng, “Multiple Stable Oscillators Referenced to the Same Multimode AlN/Si MEMS Resonator with Mode-Dependent Phase Noise and Frequency Stability”, in Proc. 2022 International Electron Devices Meeting (IEDM), Dec. 2022, pp. 16.3.1-16.3.4.     
   
   

Conference  Abstract

1. Y. Wang, N. T. Minim, S M E. H. Yousuf, and P. X.-L. Feng, “Exploring the Temperature Coefficient of Frequency (TCf) in Graphene Trampoline Resonators”, American Vacuum Society (AVS) 71 International Symposium & Exhibition, Charlotte, North Carolina, September 21-26, 2025.

2. N. T. Minim, S M E. H. Yousuf, Y. Wang, and P. X.-L. Feng, “Nanomechanical Resonances of Graphene Membranes Integrated on LiNbO3-on-Insulator Chips”, American Vacuum Society (AVS) 71 International Symposium & Exhibition, Charlotte, North Carolina, September 21-26, 2025.

3. P. X.-L. Feng and S M E. H. Yousuf, “Optomechanical Resonant Pixels with Metasurface and Phonon Engineering for Uncooled Infrared (IR) Detection”, 2024 IEEE Research and Applications of Photonics in Defense Conference (RAPID), Florida, US, August 14-16, 2024.

4. S M E. H. Yousuf, T. Kaisar, J. Lee, S. W. Shaw, and P. X.-L. Feng, “Tunable Phononic Frequency Combs in Atomically Thin Resonators”, American Vacuum Society (AVS) 70th International Symposium & Exhibition, Tampa, FL, November 3-8, 2024.

5. Y. Wang, S M E. H. Yousuf, J. Lee, A. Gage, and P. X.-L. Feng, “Diamagnetically Levitating Graphite Plate Resonators”, American Vacuum Society (AVS) 70th International Symposium & Exhibition, Tampa, FL, November 3-8, 2024.

6. Y. Wang, S M E. H. Yousuf, X.-X. Zhang, and P. X.-L. Feng, “Two-Dimensional (2D) FePS3 Nanoelectromechanical Resonators with Local-Gate Electrostatic Tuning”, American Vacuum Society (AVS) 70th International Symposium & Exhibition, Tampa, FL, November 3-8, 2024.

7. S M E. H. Yousuf, “Parametric Amplification and Phononic Frequency Comb Generation in MoS2 Nanoelectromechanical Resonators”, UF NanoDay October 9, 2023.

8. S M E. H. Yousuf, J. Lee, and P. X.-L. Feng, “Coupling Raman Signatures with Tunable and Nonlinear MoS2 Nanoelectromechanical Resonators”, 18th International Workshop on Nanomechanical Sensing (NMC), India, August 9, 2022.

9. S M E. H. Yousuf, X.-Q. Zheng, and P. X.-L. Feng, “MoTe2 NEMS Resonators for Near-Infrared Light Detection”, 2022 Joint Conference of the European Frequency and Time Forum & the IEEE International Frequency Control Symposium, Paris, France, April 24-28, 2022.

10. S M E. H. Yousuf, X.-Q. Zheng, and P. X.-L. Feng, “MoTe2 NEMS Resonator for Near-Infrared Light Detection”, American Vacuum Society (AVS) 67th International Symposium & Exhibition, October 25-28, 2021.

11. W. Sui, S M E. H. Yousuf, X.-Q. Zheng, P. X.-L. Feng, “Pressure Response and Air Damping of β-Ga2O3 Nanomechanical Resonators”, 2021 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium, July 7-17, 2021.