Juan Paolo S. Bermundo

Assistant Professor (助教)
Information Device Science Laboratory
Graduate School of Materials Science
Nara Institute of Science and Technology
8916-5 Takayama, Ikoma, Nara 630-0192, JAPAN
Email: b-soria @ ms.naist.jp
Tel: +81-743-72-6063
Fax: +81-743-72-6069


Biography

2020.10 - present Assistant Professor 助教, Division of Material Science, Nara Institute of Science and Technology, JAPAN
2015.8 - 2020.9 Assistant Professor 特任助教, Graduate School of Material Science, Nara Institute of Science and Technology, JAPAN
2012.10 - 2015.6 Ph.D 博士(工学) , Graduate School of Material Science, Nara Institute of Science and Technology, JAPAN
2014.2 - 2014.5 Visiting Ph.D. researcher, ECTM, Delft University of Technology, THE NETHERLANDS
2010 - 2012 Instructor (2012) and Asst. Instructor (2010-2011), Department of Physics, Ateneo de Manila University, PHILIPPINES
2009 - 2012 M.S. Physics, Department of Physics, Ateneo de Manila University, PHILIPPINES
2008 - 2009 B.S. Materials Science and Engineering, Department of Physics and Materials Science and Engineering Program, Ateneo de Manila University, PHILIPPINES
2004 - 2008 B.S. Physics, Department of Physics, Ateneo de Manila University, PHILIPPINES

Honors and Grants    
2018 NAIST Foundation Grant, NAIST Support Foundation
2017 Overseas Grant, Tateisi Science and Technology Foundation
2017 Outstanding Poster Paper Award, The 17th International Meeting on Information Display (IMID 2017)
2014 平成26年度競争的研究支援 (Competitive Research Grant)
2013 Best Poster Award, GIST-NCTU-NAIST International Joint Symposium 2013 (GNN 2013)
2013 Best Presentation Award, Student Research Evaluation Meeting 2013 (NAIST)
2013 Student Travel Grant, The 13th International Meeting on Information Display (IMID 2013)
2013 平成25年海外派遣支援 (Overseas Grant Award)
2013 平成25年度競争的研究支援 (Competitive Research Grant)
2012 NAIST International Scholarship (Fall 2012 - Fall 2015)
2012 Departmental Research Award, Department of Physics, Ateneo de Manila University

Selected Publications
    Link to all publications
    Researchmap

  1. Juan Paolo S. Bermundo,Yasuaki Ishikawa, Mami N. Fujii, Hiroshi Ikenoue, and Yukiharu Uraoka "Instantaneous Semiconductor-to-Conductor Transformation of a Transparent Oxide Semiconductor a-InGaZnO at 45 ーC", ACS Appl. Mater. Interfaces, 10, 24590, (2018) [Supplementary Cover]

  2. Naofumi Yoshida, Juan Paolo Bermundo, Yasuaki Ishikawa, Toshiaki Nonaka, Katsuto Taniguchi, and Yukiharu Uraoka "Low temperature cured poly-siloxane passivation for highly reliable a-InGaZnO thin-film transistors", Appl. Phys. Lett., 112, 213503, (2018)

  3. Michael Paul A. Jallorina, Juan Paolo S. Bermundo, Mami N. Fujii, Yasuaki Ishikawa, and Yukiharu Uraoka "Significant mobility improvement of amorphous In-Ga-Zn-O thin-film transistors annealed in a low temperature wet ambient environment", Appl. Phys. Lett., 112, 193501, (2018)

  4. Dianne C. Corsino, Juan Paolo S. Bermundo, Mami N. Fujii, Kiyoshi Takahashi, Yasuaki Ishikawa, and Yukiharu Uraoka "Dimethylaluminum hydride for atomic layer deposition of Al2O3 passivation for amorphous InGaZnO thin-film transistors", Appl. Phys. Express, 11, 61103, (2018)

  5. Kahori Kise, Mami N. Fujii, Juan Paolo S. Bermundo, Yasuaki Ishikawa, and Yukiharu Uraoka "Self-heating suppressed structure of a-IGZO thin-film transistor", IEEE Electron Device Lett., 39, 1322, (2018)

  6. Naofumi Yoshida, Juan Paolo Bermundo, Yasuaki Ishikawa, Toshiaki Nonaka, Katsuto Taniguchi, and Yukiharu Uraoka "Fluorine incorporation in Solution Processed Poly-siloxane Passivation for Highly Reliable a-InGaZnO Thin-Film Transistors", J. Phys. D: Appl. Phys., 51, 125105, (2018)

  7. Juan Paolo S. Bermundo,Yasuaki Ishikawa, Mami N. Fujii, Hiroshi Ikenoue, and Yukiharu Uraoka "H and Au diffusion in high mobility a-InGaZnO thin-film transistors via low temperature KrF excimer laser annealing", Appl. Phys. Lett., 110, 133503, (2017)

  8. Mami N. Fujii, Yasuaki Ishikawa, Ryoichi Ishihara, Johan van der Cingel, Mohammad R. T. Mofrad, Juan Paolo Soria Bermundo, Emi Kawashima, Shigekazu Tomai, Koki Yano and Yukiharu Uraoka "Nano-crystallization in ZnO-doped In2O3 thin films via excimer laser annealing for thin-film transistors", AIP Adv., 6, 065216, (2016)

  9. Juan Paolo Bermundo,Yasuaki Ishikawa, Mami N. Fujii, Toshiaki Nonaka, Ryoichi Ishihara, Hiroshi Ikenoue, and Yukiharu Uraoka "Effect of excimer laser annealing on a-InGaZnO thin-film transistors passivated by solution-processed hybrid passivation layers", J. Phys. D: Appl. Phys., 49, 035102, (2016)

  10. Juan Paolo Bermundo,Yasuaki Ishikawa, Haruka Yamazaki, Toshiaki Nonaka, Mami N. Fujii, and Yukiharu Uraoka "Highly Reliable Photosensitive Organic-Inorganic Hybrid Passivation Layers for a-InGaZnO Thin-Film Transistors", Appl. Phys. Lett., 107, 033504, (2015)

  11. Juan Paolo Bermundo,Yasuaki Ishikawa, Haruka Yamazaki, Toshiaki Nonaka, and Yukiharu Uraoka "Highly Reliable Polysilsesquioxane Passivation Layer for a-InGaZnO Thin-Film Transistors", ECS J. Sol. Stat. Sci. and Technol., 3(2), Q16, (2014)

  12. Yoshihiro Ueoka, Yasuaki Ishikawa, Juan Paolo Bermundo, Haruka Yamazaki, Satoshi Urakawa, Mami Fujii, Masahiro Horita, and Yukiharu Uraoka "Density of States in Amorphous In-Ga-Zn-O Thin-Film Transistor under Negative Bias Illumination Stress", ECS J. Sol. Stat. Sci. and Technol., 3(9), Q3001, (2014)

  13. Yoshihiro Ueoka, Yasuaki Ishikawa, Juan Paolo Bermundo, Haruka Yamazaki, Satoshi Urakawa, Yukihiro Osada, Masahiro Horita, and Yukiharu Uraoka "Effect of contact material on amorphous InGaZnO thin-film transistor characteristics", Jpn. J. Appl. Phys., 53, O3CC04, (2014)

  14. Juan Paolo Bermundo,Yasuaki Ishikawa, Haruka Yamazaki, Toshiaki Nonaka, and Yukiharu Uraoka "Highly reliable passivation layer for a-InGaZnO thin-film transistors fabricated using polysilsesquioxane", Mat. Res. Soc. Symp. Proc, 1633, 118, (2014)

  15. Juan Paolo Bermundo, and Raphael Guerrero "Propagation Properties of Bessel Beams Retrieved from Volume Holograms", PISIKA - Journal of the Physics Society of the Philippines, 1(2), 35, (2008)

Selected Presented Works

国際会議 - International conference
  1. Juan Paolo Bermundo, Yasuaki Ishikawa, Mami N. Fujii, Chaiyanan Kulchaisit, Hiroshi Ikenoue, and Yukiharu Uraoka, “Excimer laser annealing of solution-processed InZnO thin-film", 2017 Materials Research Society Fall Meeting & Exhibit (MRS Fall 2017), Boston, Massachusetts, USA, December (2017).

  2. Juan Paolo Bermundo, Yasuaki Ishikawa, Mami N. Fujii, Hiroshi Ikenoue, and Yukiharu Uraoka, “Analysis of the Significant Sheet Resistance Reduction of a-IGZO after Excimer Laser Irradiation", The 17th International Meeting on Information Displays (IMID 2017), Busan, Korea, August (2017). [Outstanding Poster Paper Award]

  3. Juan Paolo Bermundo, Yasuaki Ishikawa, Mami N. Fujii, Hiroshi Ikenoue, and Yukiharu Uraoka, “Low Temperature Annealing of High Performance Amorphous InGaZnO Thin-film Transistors", 2017 International Symposium for Advanced Materials Research, Taiwan, August (2017). [Invited]

  4. Juan Paolo Bermundo, Yasuaki Ishikawa, Mami N. Fujii, Chaiyanan Kulchaisit, Hiroshi Ikenoue, and Yukiharu Uraoka, “Analysis of High Mobility Oxide Thin-Film Transistors after a Low Temperature Annealing Process", The 23rd International Display Workshops (IDW ’16) , Fukuoka, Japan, December (2016).

  5. Juan Paolo Bermundo, Yasuaki Ishikawa, Mami N. Fujii, Hiroshi Ikenoue, and Yukiharu Uraoka, “Sheet Resistance Reduction of a-IGZO by Oxygen Vacancy Control using Low Temperature Excimer Laser Irradiation”, Proceedings of the 2016 Materials Research Society Fall Meeting & Exhibit (MRS Fall 2016), Boston, Massachusetts, USA, December (2016).

  6. Juan Paolo Bermundo, Yasuaki Ishikawa, Mami N. Fujii, Toshiaki Nonaka, Hiroshi Ikenoue, and Yukiharu Uraoka, “High Mobility a-InGaZnO Thin-film Transistors with Solution-processed Passivation Layer via Irradiation with KrF Excimer Laser・, The 2016 International Conference on Flexible and Printed Electronics (ICFPE 2016), Yonezawa, Japan, September (2016).

  7. Juan Paolo Bermundo, Yasuaki Ishikawa, Mami N. Fujii, Hiroshi Ikenoue, and Yukiharu Uraoka, ="Significant Sheet Resistance Reduction of a-IGZO via Low Temperature Excimer Laser Irradiation”, The 16th International Meeting on Information Displays (IMID 2016), Jeju, Korea, August (2016).

  8. Juan Paolo Bermundo, Yasuaki Ishikawa, Mami N. Fujii, Hiroshi Ikenoue, and Yukiharu Uraoka, ="Analysis of a-IGZO Films Irradiated by KrF Excimer Laser for Self-Align a-IGZO Thin Film Transistors on Flexible Substrates”, 12th International Thin-Film Transistor Conference (ITC 2016) , Hsinchu, Taiwan, February (2016).

  9. Juan Paolo Bermundo, Yasuaki Ishikawa, Mami N. Fujii, Toshiaki Nonaka, Hiroshi Ikenoue, and Yukiharu Uraoka, “KrF Excimer Laser Annealing of a-InGaZnO Thin-Film Transistors with Solution Processed Hybrid Passivation Layers”, The 22nd International Display Workshops (IDW ’15) , Otsu, Japan, December (2015).

  10. Juan Paolo Bermundo, Yasuaki Ishikawa, Mami N. Fujii, Michiel van der Zwan, Toshiaki Nonaka, Ryoichi Ishihara, Hiroshi Ikenoue, and Yukiharu Uraoka, “XeCl and KrF Excimer Laser Annealing of Oxide Thin-Film Transistors with Hybrid Passivation Layer”, 11th International Thin-Film Transistor Conference (ITC 2015) , Rennes, France, February (2015).

  11. Juan Paolo Bermundo, Yasuaki Ishikawa, Mami N. Fujii, Michiel van der Zwan, Toshiaki Nonaka, Ryoichi Ishihara, and Yukiharu Uraoka, “Excimer Laser Annealing of Amorphous Oxide Thin-film Transistors Passivated with Hybrid Passivation Layer”, The 21st International Display Workshops (IDW ’14) , Niigata, Japan, December (2014).

  12. Yasuaki Ishikawa, Juan Paolo Bermundo*, Haruka Yamazaki, Mami Fujii, and Yukiharu Uraoka, "Interface Control toward Highly Reliable Amorphous InGaZnO Thin-Film Transistors”, The 14th International Meeting on Information Displays (IMID 2014), Daegu, Korea, August (2014). [Invited] , *speaker/presenter

  13. Juan Paolo Bermundo, Yasuaki Ishikawa, Haruka Yamazaki, Toshiaki Nonaka, and Yukiharu Uraoka, “Reliability Improvement in Amorphous InGaZnO Thin Film Transistors Passivated by Photosensitive Polysilsesquioxane Passivation Layer”, Proceedings of The 21st International Workshop on Active-matrix Flat Panel Displays and Devices (AMFPD ‘14), Kyoto, Japan, July (2014).

  14. Juan Paolo Bermundo, Yasuaki Ishikawa, Haruka Yamazaki, Toshiaki Nonaka, and Yukiharu Uraoka, “Highly reliable passivation layer for a-InGaZnO thin-film transistors fabricated using polysilsesquioxane", Proceedings of the 2013 Materials Research Society Fall Meeting & Exhibit (MRS Fall 2013), Boston, Massachusetts, USA, December (2013).

  15. Juan Paolo Bermundo, Yasuaki Ishikawa, Haruka Yamazaki, Toshiaki Nonaka, and Yukiharu Uraoka, "Highly stable a-InGaZnO thin film transistors passivated by polysilsesquioxane-based passivation layer”, GIST-NCTU-NAIST International Joint Symposium 2013 (GNN 2013), Nara, Japan, November (2013). [Best Poster Award]

  16. Juan Paolo Bermundo, Yasuaki Ishikawa, Haruka Yamazaki, Toshiaki Nonaka, and Yukiharu Uraoka, "Effect of reactive ion etching and post-annealing conditions on the characteristics and reliability of a-InGaZnO thin-film transistors with polysilsesquioxane based passivation layer", Proceedings of The 13th International Meeting on Information Display (IMID 2013), Daegu, Korea, August (2013).

  17. Juan Paolo Bermundo, Yasuaki Ishikawa, Haruka Yamazaki, Toshiaki Nonaka, and Yukiharu Uraoka, “Reliability of Amorphous InGaZnO Thin-Film Transistors Passivated by Polysilsesquioxane-Based Passivation Layer", Proceedings of The 20th International Workshop on Active-matrix Flat Panel Displays and Devices (AM-FPD'13), Kyoto, Japan, July (2013).

  18. Juan Paolo Bermundo, Yasuaki Ishikawa, Haruka Yamazaki, Toshiaki Nonaka, and Yukiharu, "Influence of Polysilsesquioxane-based Passivation Layer on the Electrical Characteristics and Stability of a-IGZO thin film transistors", The 9th International Thin-Film Transistor Conference (ITC 2013), University of Tokyo, Japan, March, (2013)

Domestic Conferences
  1. Juan Paolo Bermundo, Chaiyanan Kulchaisit, Yasuaki Ishikawa, Mami N. Fujii, Hiroshi Ikenoue, and Yukiharu Uraoka, “Photo-assisted activation and conductivity enhancement of solution-processed InZnO", The 65th Japan Society of Applied Physics Spring Meeting 2018 (JSAP Spring 2018), Tokyo, Japan, March (2018).

  2. Juan Paolo Bermundo, Yuki Tada, Hiroshi Ikenoue, Mutsunori Uenuma, Yasuaki Ishikawa, and Yukiharu Uraoka, “Excimer laser annealing of Mg-implanted GaN films", The 65th Japan Society of Applied Physics Spring Meeting 2018 (JSAP Spring 2018), Tokyo, Japan, March (2018).

  3. Juan Paolo Bermundo, Yasuaki Ishikawa, Mami N. Fujii, Michiel van der Zwan, Hiroshi Ikenoue, Ryoichi Ishihara, Toshiaki Nonaka, and Yukiharu Uraoka, " Low temperature excimer laser annealing of a-InGaZnO thin-film transistors passivated by hybrid organic-inorganic passivation layer", The 62nd Japan Society of Applied Physics Spring Meeting 2015 (JSAP Spring 2015), Kanagawa, Japan, March (2015).

  4. Juan Paolo Bermundo, Yasuaki Ishikawa, Haruka Yamazaki, Kulchaisit Chaiyanan, Mami Fujii, Toshiaki Nonaka, and Yukiharu Uraoka, " Suppression of hump effect in a-InGaZnO thin-film transistors passivated by novel photosensitive passivation layer", The 75th Japan Society of Applied Physics Autumn Meeting (JSAP Autumn 2014), Hokkaido, Japan, September (2014).

  5. Juan Paolo Bermundo, Yasuaki Ishikawa, Haruka Yamazaki, Toshiaki Nonaka, and Yukiharu, "Effect of Polysilsesquioxane Passivation Layer on the Dark and Illuminated Negative Bias Stress of Amorphous InGaZnO thin-film transistors", JSAP Spring Meeting 2013, Kanagawa Institute of Technology, Japan, March, (2013)

  6. Juan Paolo Bermundo, and Raphael Guerrero, "Electrowetting of a Liquid Lens on an Alumina ITO glass substrate", Proceedings of the 29th SPP Physics Congress, University of the Philippines - Diliman, October, (2011)

  7. Juan Paolo Bermundo, and Raphael Guerrero, "Strain Effects on Multiplexing Selectivity of Elastomer Phase Masks for Volume Holography", Proceedings of the 27th SPP Physics Congress, Development Academy of the Philippines, October, (2009)

  8. Juan Paolo Bermundo, and Raphael Guerrero, "Propagation Properties of Truncated Bessel Beams Retrieved From Volume Holograms", Proceedings of the 26th SPP Physics Congress, University of the Philippines - Baguio, October, (2008)

  9. Juan Paolo Bermundo, and Raphael Guerrero, "Propagation Properties of Bessel Beams Retrieved From Volume Holograms", Proceedings of the 25th SPP Physics Congress, Development Academy of the Philippines, October, (2007)

Research Interests

Oxide Semiconductors
Low Temperature Process
Solution Process
Semiconductor-to-Conductor Transformation
Flexible Devices
Thin Film Transistor Reliability
Electrowetting


Activities

The Japan Society of Applied Physics (JSAP)
Materials Research Society (MRS)
Society of Information Display (SID - Japan)
Reviewer, Appl. Phys. Lett., Appl. Phys. Express, IEEE Trans. Electron Devices, Semicond. Sci. Technol., Jpn. J. Appl. Phys.