PUBLICATIONS

Patents (Issued)

  1. R. K. Dey and B. Cui, “Method of fabricating Nano-scale Structures and nano-scale structures fabricated using the method”, US patent, US9522821B2 (2016). Also published in WO patent, 2014169383 A1 (2014), CA patent, CA2938783 A1 (2014).
  2. R. K. Dey and B. Cui, “Silicon column array on silicon substrate”, CN patent, CN204138341U (2014).
  3. R. K. Dey and B. Cui, “Procede de fabrication de structures a echelle nanometrique et structures a echelle nanometrique fabriquees selon ledit procede”, CA2938783 A1 (2014).
  4. R. K. Dey and B. Cui, “The manufacture method of nanoscale structures and the nanoscale structures manufactured using this method”, CN patent, CN105189821B (2014).
  5. R. K. Dey and B. Cui, “Method of fabricating Nano-scale Structures and nano-scale structures fabricated using the method”, US patent, US9522821B2 (2016). Also published in WO patent, WO2014169383A1 (2015).
  6. M. T. LAVRISA, R. P. MARCHEWKA, B. Cui, R. K. DEY, “Electrophoretic display assemblies and devices and methods of manufacture thereof”, WO Patent WO2020174437A1 (2020).
  7. M. T. LAVRISA, R. P. MARCHEWKA, B. Cui, R. K. DEY, “Methods of manufacture of Electrophoretic display assemblies and devices”, US Patent (Preparing).
  8. R. K. Dey, Graham and Milad Khosnegar; Metalens manufacturing method and stamp for the same, US Patent 63/489144, filed in 2023.
  9. R. K. Dey and Milad Khosnegar; Fabrication of microscale structures; US Patent 63/396564, 2021.
  10. R. K. Dey and Milad Khosnegar; Imprint Metalens manufacturing method, US Patent (Preparing).

Selected Referred Journal Articles

  1. R. K. Dey and Milad, “Non-switching etch to fabricate the transmissive and reflective metalens for the manufacturing volume scale”, Nature Communication, (Under prepared, 2024).
  2. H. Yamada, F. Aydinoglu, Y. Liu, R. K. Dey and B. Cui, “Single layer surface-grafted PMMA as negative tone e-beam resist”, ACS Langmuir, 10, 1021 (2017).
  3. R. K. Dey, R. Mansour and B. Cui, “Effect of molecular weight distribution on e-beam exposure properties of polystyrene”, Nanotechnology 24, 245302 (2013).
  4. F. Aydinoglu, H. Yamada, R. K. Dey and B. Cui, “Grafted Polystyrene Monolayer Brush as Both Negative and Positive Tone Electron Beam Resist”, ACS Langmuir, 33(20), 4981–4985, (2017).
  5. R. K. Dey and B. Cui, “Electron beam lithography with feedback using in situ self-developed resist”, Nanoscale Research Letters 9 (1), 184 (2014).
  6. F. Z. Zhao, R K. Dey, H-Y. Nie, W. M. Lau, “Increased crystallinity of octadecylphosphonic acid Langmuir-Blodgett films with an increasing number of layers”; Thin Solid Films, 537, 242–246 (2013).
  7. R. K. Dey, H. Ekinci, B. Cui, “Effects of mask material conductivity on lateral undercut etching in silicon nano-pillar fabrication”, J. Vac. Sci. Technol. B, (2019).
  8. M. Samaana, H. Ekinci; R. K. Dey, X. Zhua, D. Pushinb, B. Cui; “Fabrication of high aspect ratio atomic force microscope probes using focused ion beam milled etch mask”; Microelectronic Engineering, Vol 267–268, 1, 111909 (2023).
  9. H. Ekinci, R. K. Dey, B. Cui, “Two-step potassium hydroxide etching to enhance aspect ratio in trench fabrication”, J. Vac. Sci. Technol. B 37, 062001 (2019).
  10. Yaoze Liu, Mohammad Soltani, R. K. Dey, B. Cui, Regina Lee and Hugh Podmore “Moth-eye Antireflection Nano-structure on Glass for CubeSats”, J. Vac. Sci. Technol. B 36, 06JG01 (2018) [Featured Article].
  11. R. K. Dey, F. Aydinoglu and B. Cui, “Electron beam lithography on the irregular surface using grafted PMMA brush”, Advanced Materials Interfaces, 1600780 (2017).
  12. M. Rezeq, K. Eledlebi, M. Ismail, R.K. Dey and B. Cui, “Theoretical and experimental investigations of nano-Schottky contacts”, Journal of Applied Physics, 120, 044302 (2016).
  13. M. Rezeq, A. Ali, S. P.  Patole, K. Eledlebi, R. K. Dey and B. Cui, “The dependence of Schottky junction (I-V) characteristics on the metal probe size in nano metal-semiconductor contacts”, AIP Advances, 8(5), 055122 (2018).
  14. R. K. Dey, J. Shen and B. Cui, “Oxidation sharpening of silicon tips in the atmospheric environment”, J. Vac. Sci. Technol. B, 35(6), 06GC01-1 (2017).
  15. S. Zheng, C. Zhu, R. K. Dey and B. Cui, “Batch fabrication of AFM probes with direct positioning capability”, J. Vac. Sci. Technol. B, 35, 06GC02 (2017).
  16. F. Aydinoglu, F. Saffih, R. K. Dey and B. Cui, “Chromium oxide as a hard mask material better than metallic chromium”, J. Vac. Sci. Technol. B 35(6), 06GB01-1 (2017)
  17. S. Zheng S, R. K. Dey, F. Aydinoglu, and B. Cui, “Mixture of ZEP and PMMA with varying ratios for tunable sensitivity as a liftoff resist with controllable undercut”, J. Vac. Sci. Technol. B, 34, 06K603 (2016).
  18. N. V. Francesco, R. K. Dey, R. Caputo and B. Cui, “Enhanced adhesion of electron beam resist by grafted monolayer poly(methylmethacrylate-co-methacrylic acid) brush”, J. Vac. Sci. Technol. B 33, 06FD06 (2015).
  19. R. K. Dey and B. Cui, “Lift-off with solvent for negative resist using low energy electron beam exposure”, Journal of Vacuum Science & Technology B 32 (6), 06F507 (2014).
  20. R. K. Dey and B. Cui, “Stitching error reduction in electron beam lithography with in-situ feedback using self-developing resist”, J. Vac. Sci. Technol. B 31, 06F409 (2013).
  21. C. Con, R. K. Dey, M. Ferguson, J. Zhang, R. Mansour, M. Yavuz and B. Cui, “High molecular weight polystyrene as very sensitive electron beam resist”, Microelectronic Engineering 98, 254-257(2012).
  22. R. K. Dey, A. M. H. Chowdhury, N. Chawdhury and A. P. Monkma, “Report on Optical Absorption, Steady-state Emission and Time-resolved Emission Spectroscopy of Carbazole-based Conjugated Polymers”, J. Sci. Res., 3 (1), 13-24 (2011).
  23. R. K. Dey, M. A. Saklayen, “Radiation Pressure Force on Non-spherical (Disk-type) Dust Particle for Equivalent Radii Aeff from 0.01 mm to 1.0 mm of Water Ice in Comparison with Magnetite and Silicate Using Discrete Dipole Approximation (DDA) Method”, J. of Appl. Sci. Res., 4(11), 1344-1351 (2008).
  24. R. K. Dey, “Modification of Mechanical Strength of Octadecylphosphonic Acid on Mica by Hydrogen Bombardment”, Physical Review Research International, 3(4), 330-347 (2013).
  25.  R. K. Dey, “Enhancement of Structural Strength of Octadecylphosphonic Acid Film on Aluminum by Ion Bombardment”, Physical Review Research International”, 4(1), 109-120, (2013).

Conference Publications and Presentations

  1. S. Zheng, R. K. Dey, F. Aydinoglu, B. Cui, “Mixture of ZEP and PMMA with tunable sensitivity as a liftoff layer with controllable undercut”, 59th International Conference on Electron, Ion and Photon Beam Technology and Nano-fabrication, Pittsburg, USA (May 2016).
  2. F. Aydinoglu, R. K. Dey, B. Cui, “Electron beam lithography using grafted polystyrene monolayer brush”, 59th International Conference on Electron, Ion and Photon Beam Technology and Nano-fabrication, Pittsburg, USA (May 2016).
  3. R. K. Dey and B. Cui, “Electron beam lithography on irregular surface using grafted PMMA brush”, 58th International Conference on Electron, Ion and Photon Beam Technology and Nano-fabrication, San Diego, USA (May 2015).
  4.  F. N. Viscomi, R. K. Dey, R. Caputo and B. Cui, “Enhanced adhesion of electron beam resist by grafted monolayer PMMA brush”, 58th International Conference on Electron, Ion and Photon Beam Technology and Nano-fabrication, San Diego, USA (May 2015).
  5.  R. K. Dey and B. Cui, “Lift-off using solvent for negative electron beam resist by ultra-low energy exposure”, 57th International Conference on Electron, Ion and Photon Beam Technology and Nano-fabrication, Washington DC, USA (May 2014).
  6. R K. Dey, H-Y. Nie, W. M. Lau, “Modification of Octadecylphosphonic acid Langmuir-Blodgett film on Aluminium oxide surface by hydrogen ion bombardment and its characterization”, Nanotechnology 2011: Advanced Materials, Cnts, Particles, Films and Composites, Nsti-Nanotech-2011, 1, 824 -827 (2011).
  7. M. Rezeq, K. Eledlebi, M. Ismail, B. Cui, R. K. Dey, “Characterization of Nano Schottky Junctions for a New Structure of Nano-Electronic Devices”, IEEE NANO-14th IEEE International Conference on Nanotechnology, Toronto, Canada, 723 – 726 (2014).
  8. Moh’d Rezeq, Khouloud Eledlebi, Mohamed Ismail, Bo Cui, and R. K. Dey, “Characterization of nano scale metal Schottky contacts with silicon substrates for scaling of electronic devices”, MNE2014, conference, Lausanne, Switzerland, Sept 22- 26, 2014.
  9. M. Rezeq, K. Eledlebi, M. Ismail, B. Cui, R. K. Dey, “Characterization of Nano Schottky Junctions for a New Structure of Nano-Electronic Devices”, IEEE NANO-14th IEEE International Conference on Nanotechnology, Toronto, Canada, Poster presentation (2014).
  10. R. K. Dey and B. Cui, “Electron beam optimization using self-developing resist for large write-field electron beam lithography”, 57th International Conference on Electron, Ion and Photon Beam Technology and Nano-fabrication, Nashville, TN, USA (May 2013).
  11. R. K. Dey and B. Cui, “Stitching error reduction in electron beam lithography with in-situ feedback using self-developing resist”, 57th International Conference on Electron, Ion and Photon Beam Technology and Nano-fabrication, Nashville, TN, USA (May 2013).
  12. S. Alqarni, R. K. Dey and B. Cui, “High aspect ratio out of plane electron beam lithography using evaporated PS on KOH etched Si walls”; 57th International Conference on Electron, Ion and Photon Beam Technology and Nano-fabrication, Nashville, TN, USA(May 2013).
  13. R. K. Dey, R. Mansour and B. Cui, “Effect of molecular weight distribution on e-beam resist polystyrene”, 56th International Conference on Electron, Ion and Photon Beam Technology and Nano-fabrication, Waikoloa, Hawaii, USA (May 2012).
  14. R. K. Dey, R. Monsour and B. Cui, “Effect of Polydispersity on e-beam exposure properties of polystyrene”, 3rd Annual NanoOntario Conference, Waterloo, Ontario, Canada (Oct.  2012).
  15. R. K. Dey, H-Y. Nie, W. M.  Lau, “Enhancement of mechanical strength of OPA Langmuir-Blodgett film on Aluminum by hydrogen bombardment”, Nanosmat Conference-2011 (NANOSMAT), Krakow, Poland; (Oct, 2011).
  16. R. K. Dey, H-Y. Nie, W. M. Lau, “Octadecylphosphonic acid Langmuir-Blodgett films and their modification by hyperthermal hydrogen projectile”, Nanotech Coference, Expo and innovation showcase-2011 (TechConnect World), Boston, USA (May, 2011).
  17. R. K. Dey, H-Y. Nie, W. M.  Lau, “Modification of Octadecylphosphonic acid Langmuir-Blodgett film on Aluminium oxide under hydrogen ion bombardment and its characterization”, Waterloo Research Showcase, Waterloo, ON, Canada (April 2011).
  18. R. K. Dey, H-Y. Nie, W. M.  Lau, “Study of Octadecylphosphonic acid (OPA) Langmuir-Blodgett film interactions with several substrate under Hyperthermal-H-bombardment”, Nano-Ontario Conference (NanoOntario), London, ON, Canada (April 2010).
  19. R. K. Dey, H-Y. Nie, J. Yang, W. M.  Lau, “Study of Octadecylphosphonic acid (OPA) Langmuir-Blodgett film interactions with several substrate under Hyperthermal H-bombardment”, World Discoveries Showcase, London, ON, Canada (2010).
  20. R. K. Dey, H-Y. Nie, W. M.  Lau, “Study of Octadecylphosphonic acid (OPA) Langmuir Blodgett film interactions with different substrates”, Nano-Ontario Conference (NanoOntario), London, ON, Canada (Sep 2009).
  21. R. K. Dey, H-Y. Nie, W. M.  Lau, “Increase of mechanical strength of Mica by hydrogen bombardment”, Green energy, London, ON, Canada (August, 2010).
  22. F. Z. Zhao, R. K. Dey, H-Y. Nie, W. M. Lau, “AFM study of Octadecylphosphonic acid molecular layers on cleaved mica an Si wafers”, Nano-Ontario Conference (NanoOntario), London, ON, Canada (April 2010).

Book Chapters

  1. R. K. Dey, N. Chawdhury, “Spectroscopy of Carbazole-based Conjugated Polymers”, Lambert Publication, (2011).
  2. R. K. Dey, A. M. Saklayen, “Radiation Pressure Force on Non-spherical (Disk-type) Dust Particle”, Lambert Publication, (2010).