MOHAMMAD RAZZAKUL ISLAM

My research focuses on the development of advanced graphene-based sensor devices for electric field and lightning detection. I specialize in the design, fabrication, and characterization of high-performance sensors for high-power, high-frequency electronics applications. By integrating academic research with industry collaboration, my work bridges fundamental science and practical innovation, contributing to the advancement of next-generation sensor technologies with broad societal and industrial impact.

• Ultra-high sensitivity and high-resolution electric field sensor element. (Japanese patent filed; Primary Inventor with 45% contribution share).

• Mohammad Razzakul Islam, Jiali Hu, Afsal Kareekunnan, Akihiro Kuki, Takeshi Kudo, Takeshi Maruyama, Atsushi Nishizaki, Yuki Tokita, Masashi Akabori and Hiroshi Mizuta. “Study of MoS2 as an electric field sensor and the role of layer thickness on the sensitivity” ACS Omega 9 (2024). https://doi.org/10.1021/acsomega.4c03350
• Mohammad Razzakul Islam, Liu Yongzheng, Afsal Kareekunnan, and Hiroshi Mizuta. “Room temperature thermal rectification in suspended asymmetric graphene ribbon” Nanotechnology 35.36 (2024).
• de Moraes Nogueira, A., Enomoto, S., Muruganathan, M., Kareekunnan, A., Mohammad Razzakul Islam, AKABORI, M., and MIZUTA, H. “Nonlinearity and temperature dependence of CVD graphene nanoelectromechanical resonator.” Japanese Journal of Applied Physics 63.2 (2023).
• Mohammad Razzakul Islam, and Masahiko Tomitori. "Evaluation of the discrete thickness of exfoliated artificially synthesized mica nanosheets on silicon substrates: Toward characterization of the tunneling current through the nanosheets." Applied Surface Science 532 (2020).
• Mohammad Razzakul Islam, and Masahiko Tomitori. "Layer-etching of mica nanosheets using a focused electron beam." Applied Physics Express 13 (2020).
• Foyshal, M., Kabir, M. F., Islam, A., Ferdousy, J., Islam, R., & Rahman, M. M. "Enhanced Biocompatibility and Multifunctional Properties of Iron-Doped Zinc Oxide Nanoparticles for Applications." BioNanoScience, 14 (2024).
• M. Shahjahan, Mohammad Razzakul Islam, and M. M. Rahman. “First-principles calculation of stable magnetic state and Curie temperature in transition metal doped III-V semiconductors.” Computational Condensed Matter 9 (2016).

• Development of thermal rectification on asymmetric defect-engineered graphene device. (Oral presentation) Micro and Nano Engineering Conference (MNE-23)

Oct. 26, 2023, Berlin, Germany

• Electric-field sensor based on MoS2 for lightning forecast. (Poster presentation) The 71st JSAP Spring Meeting 2024

March 23, 2024, Tokyo, Japan

• Graphene Electric Field Sensor for Lightning Detection. IEEE Sensors 2024

Oct. 20, 2024, Kobe, Japan

• Effect of twin thickness on the resistance of dislocations to pass through the twin interfaces: A molecular dynamics study. (Poster presentation) 35th Computational Mechanics Conference

Nov. 17, 2022, (Online)

• Evaluation of thickness of exfoliated artificially-synthesized mica nanosheets affixed on silicon substrates and its correlations with current–voltage characteristics. (Oral presentation) 27th International Colloquium on Scanning Probe Microscopy

Dec. 6, 2019, Shizuoka, Japan

• Development of two-dimensional mica nanosheets on substrate analyzed by scanning Auger electron spectroscopy and atomic force microscopy. (Poster presentation) 3rd International Conference on Applied Surface Science

Jun. 18, 2019, Pisa, Italy

• Evaluation of the thickness of mechanically exfoliated mica nanosheets affixed on Si substrates by scanning Auger electron spectroscopy. (Oral presentation) The 80th JSAP Autumn Meeting

Sep. 18, 2019, Hokkaido, Japan

• High-temperature treatments of two-dimensional flakes of phlogopite mica on silicon substrates evaluated by atomic force microscopy. (Poster presentation) 14th Int. Conf. on Atomically Controlled Surfaces, Interfaces, and Nanostructures

Oct. 22, 2018, Sendai, Japan

• Japanese Government Scholarship (MEXT) for Doctoral Program
• Bose Fellowship for Master’s program

• Six years Clean Room nano-micro advanced fabrication; Electron beam lithography (EBL); Maskless lithography; Reactive Ion Etching; Molecular beam epitaxy (MBE); Electron beam evaporator; Electron cyclotron resonance (ECR); Magnetron sputtering deposition; Raman spectroscopy; X-ray diffraction; SQUID; Nonlinear optical spectroscopy; Scanning electron microscopy (SEM); Contact/non-contact atomic force microscope (AFM); Transmission electron microscopy (TEM); Semiconductor parameter analyzers; Electrical measurement setups.