YORIKO TOMINAGA

Last Updated :2021/05/06

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Associate Professor
Web Site
E-mail
ytominaghiroshima-u.ac.jp
Other Contact Details
1-3-1, Kagamiyama, Higashihiroshima, Hiroshima, 739-8530 Japan, Japan
TEL : (+81)82-424-7049 FAX : (+81)
Self-introduction
My research theme is the development of novel optical and terahertz devices based on the crystal growth of semiconductors.

Basic Information

Major Professional Backgrounds

  • 2009/04/01, 2012/03/31, Japan Society for the Promotion of Science, Special Postdoctoral Researcher
  • 2012/04/01, 2012/07/31, Hiroshima University, Graduate School of Advanced Sciences of Matter, Researcher
  • 2012/08/01, 2019/03/31, Hiroshima University, Graduate School of Advanced Sciences of Matter, Research associate
  • 2018/02/01, Hiroshima University, Specially-appointed Assistants to the President
  • 2019/04/01, 2020/03/31, Hiroshima University, Graduate School of Advanced Sciences of Matter, Assisitant Professor
  • 2020/04/01, 2021/02/28, Hiroshima University, Graduate School of Advanced Science and Engineering, Assistant Professor
  • 2021/03/01, Hiroshima University, Graduate School of Advanced Science and Engineering, Associate Professor
  • 2021/04/01, Osaka University, Graduate School of Engineering, Specially Appointed Associate Professor (Full time, cross appointment)

Educational Backgrounds

  • Kyoto Institute of Technology, Faculty of Engineering and Design, Japan, 2003/04, 2007/03
  • Kyoto Institute of Technology, Graduate School, Division of Engineering and Design Science, Japan, 2007/04, 2009/03
  • Kyoto Institute of Technology, Graduate School, Division of Engineering and Design Science, Japan, 2009/04, 2012/03

Academic Degrees

  • Doctor of Engineering, Kyoto Institute of Technology
  • Master of Engineering, Kyoto Institute of Technology

Research Fields

  • Engineering;Electrical and electronic engineering;Electronic materials / Electric materials

Research Keywords

  • MBE
  • GaAs-based semiconductors
  • quantum wells
  • Semiconductor lasers
  • THz-wave
  • THz-wave

Affiliated Academic Societies

  • Materials Research Society

Educational Activity

Course in Charge

  1. 2021, Liberal Arts Education Program1, 1Term, Introductory Seminar for First-Year Students
  2. 2021, Liberal Arts Education Program1, 1Term, Introductory Seminar for First-Year Students
  3. 2021, Liberal Arts Education Program1, 1Term, Introductory Seminar for First-Year Students
  4. 2021, Graduate Education (Master's Program) , 1Term, Introduction of the Electronics
  5. 2021, Graduate Education (Master's Program) , First Semester, Seminar on Electronics A
  6. 2021, Graduate Education (Master's Program) , Second Semester, Seminar on Electronics B
  7. 2021, Graduate Education (Master's Program) , Academic Year, Academic Presentation in Electronics
  8. 2021, Graduate Education (Master's Program) , 1Term, Exercises in Electronics A
  9. 2021, Graduate Education (Master's Program) , 2Term, Exercises in Electronics A
  10. 2021, Graduate Education (Master's Program) , 3Term, Exercises in Electronics B
  11. 2021, Graduate Education (Master's Program) , 4Term, Exercises in Electronics B
  12. 2021, Graduate Education (Master's Program) , 1Term, Introduction of the Electronics
  13. 2021, Graduate Education (Master's Program) , Academic Year, Advanced Study in Quantum Matter
  14. 2021, Graduate Education (Doctoral Program) , Academic Year, Advanced Study in Quantum Matter

Research Activities

Academic Papers

  1. Structural evaluation of low-temperature-grown InGaAs crystals on (0 0 1) InP substrates, Journal of Crystal Growth, 548, 125852, 2020
  2. ★, Crystalline quality of low-temperature-grown InxGa1−xAs coherently grown on InP(0 0 1) substrate, Journal of Crystal Growth, 544, 125703, 2020
  3. Optical readout of hydrogen storage in films of Au and Pd, Optics Express, 25(20), 24081, 2017
  4. ★, (Lecture) Recent advancement of semiconductor materials and devices II: Molecular Beam Epitaxial Growth and Device Application Using This Growth Method, Journal of the Society of Materials Science, Japan in press, 66(2), 185-191, 2017
  5. ★, Effect of thermal annealing on the crystallization of low-temperature-grown In0.42Ga0.58As on InP substrate, Japanese Journal of Applied Physics, 55(11), 110313, 2016
  6. ★, Crystal structure of low-temperature-grown In0.45Ga0.55As on an InP substrate, Journal of Crystal Growth, 425, 99, 2015
  7. Breaking Bullseye's Symmetry for Axial Field Focusing, Journal of Infrared Millimeter and Terahertz Waves, 36(5), 455, 2015
  8. Growth and Annealing Temperature Dependences of Crystal Structure of Low-Temperature-grown InxGa1-xAs on InP Substrate, Journal of the Society of Materials Science, Japan, 64(9), 696, 2015
  9. Quantitative estimation of density of Bi-induced localized states in GaAs1−xBix grown by molecular beam epitaxy, Journal of Crystal Growth, 378, 73, 2013
  10. (Invited paper) Photo-pumped GaAs1-xBix lasing operation with low-temperature-dependent oscillation wavelength, Proceedings of SPIE Novel In-Plane Semiconductor Lasers XI, 8277, 827702, 2012
  11. Deep-Hole Traps in p-Type GaAs1-xBix Grown by Molecular Beam Epitaxy, Japanese Journal of Applied Physics, 50(8), 080203, 2011
  12. Temperature-insensitive photoluminescence emission wavelength in GaAs1-xBix/GaAs multiquantum wells, physica status solidi (c), 8(2), 260, 2011
  13. Growth of GaAs1-xBix/AlyGa1-yAs Multi-Quantum-Well Structures, Japanese Journal of Applied Physics, 49(7), 070211, 2010
  14. ★, Low Temperature Dependence of Oscillation Wavelength in GaAs1-xBix Laser by Photo-Pumping, Applied Physics Express, 3(6), 062201, 2010
  15. ★, Structural investigation of GaAs1-xBix/GaAs multiquantum wells, Applied Physics Letters, 93(13), 131915, 2008
  16. Growth of GaAs1-xBix/GaAs multi-quantum wells by molecular beam epitaxy, physica status solidi (c), 5(9), 2719, 2008

Invited Lecture, Oral Presentation, Poster Presentation

  1. Crystal growth of compound semiconductors using bacteria in ensemble environment and characteristics of the biogenic semiconductors, Yoriko Tominaga, Yoshiko Okamura, Symposium: Novel Function and Technology Based on Ensemble Phenomenon, The 81st JSAP Autumn Meeting 2020, 2020/09, With Invitation, Japanese, The Japan Society of Applied Physics, On-line
  2. Biogenic crystal growth techniques for compound semiconductors, Yoriko Tominaga, Hirokazu Takahashi, Yoshiko Okamura, Symposium: Science of Ensemble Phenomenon ~Emergence of Novel Functions and Applications by Harmonization of Complex-States~, The 67th JSAP Spring Meeting 2020, 2020/03, With Invitation, Japanese, Sophia University
  3. Crystallinity of biogenic compound semiconductors, Yoriko Tominaga, Yoshiko Okamua, Marine Biotechnology Conference 2019, 2019/09, With Invitation, English, Shizuoka, Japan
  4. (Late News) Characteristics of biogenic sulfide semiconductor nanomaterials, Yoriko Tominaga, Ryo Shimizu, Sachiko Maki, Makoto Maeda, and Yoshiko Okamura, 2018 Materials Research Society (MRS) Fall Meeting, 2018/11, Without Invitation, English, Materials Research Society, Boston, MA, USA
  5. Characteristics of biogenic PbS towards future fabrication of biogenic semiconductor devices, Yoriko Tominaga, Ryo Shimizu, Sachiko Maki, Makoto Maeda, Yoshiko Okamura, The 3rd International Symposium on Biomedical Engineering, 2018/11, Without Invitation, English, Hiroshima, Japan
  6. (Late News) Solid-phase epitaxial growth of InxGa1-xAs on InP substrate, Yukihiro Horita, Kentaro Hirayama, Yoriko Tominaga, Hitoshi Morioka, Noriaki Ikenaga, Osamu Ueda, 2018 International Conference on Solid State Devices and Materials (SSDM2018), 2018/09, Without Invitation, English, The Japan Society of Applied Physics, The University of Tokyo
  7. Characterization of CdS nanoparticles formed by marine bacteria, Fumitake Sasaka, Hirokazu Takahashi, Yoriko Tominaga, Yoshiko Okamura, 70th SBJ Annual meeting 2018, The Society for Biotechnology, Japan, 2018/09, Without Invitation, Japanese, Kansai University
  8. Growth temperature dependence of crystallinity of low-temperature-grown InxGa1-xAs towards fabrication of photoconductive antennas on the basis of defect engineering, Yoriko Tominaga, Yutaka Kadoya, 2018 Materials Research Society (MRS) Spring Meeting, 2018/04, With Invitation, English, Materials Research Society (MRS), Phoenix, AZ, USA
  9. Crystallinity of biogenic PbS, Ryo Shimizu, Yoriko Tominaga, Sachiko Maki, Makoto Maeda, and Yoshiko Okamura, The 65th JSAP Spring Meeting, 2018, 2018/03, Without Invitation, Japanese, Waseda University
  10. Crystalline quality of biogenic PbS, Ryo Shimizu, Yoriko Tominaga, Sachiko Maki, Makoto Maeda and Yoshiko Okamura, 36th Electronic Materials Symposium (EMS36th), 2017/11, Without Invitation, Japanese, Nagahama, Shiga
  11. Formation of amorphous nano-depositions that consisted of selenium and heavy metal by a marine selenate-reducer, Shewanella sp. strain KND-1, Toshifumi Sakaguchi, Seina Tanaka, Yoshiko Okamura, Yoriko Tominaga, Makoto Maeda, 14th International Symposium on biomineralization (BiominXIV), 2017/10, Without Invitation, English, Tsukuba, Japan
  12. Formation of amorphous bionanospheres contained selenium and heavy metal by a marine microbe capable of reducing selenate under aerobic condition, Toshifumi Sakaguchi, Seina Tanaka, Yoshiko Okamura, Yoriko Tominaga, Makoto Maeda, 2017/09, Without Invitation, Japanese, Waseda University
  13. Crystallization of low-temperature-grown InxGa1-xAs on InP substrate induced by thermal annealing, Yoriko Tominaga, Yutaka Kadoya, Hitoshi Morioka, and Osamu Ueda, CMOS Emerging Technology Research (CMOSETR2016), 2016/05, With Invitation, English, Montreal, QC, Canada
  14. Crystalline state of low-temperature-grown InGaAs on InP substrate, Yoriko Tominaga, and Yutaka Kadoya, EMN Meeting on THz 2016, 2016/05, With Invitation, English, San Sebastian, Spain
  15. Growth temperature dependence of crystalline state of low-temperature-grown InGaAs on InP substrate, Yoriko Tominaga, Yutaka Kadoya, Hitoshi Morioka, and Osamu Ueda, EMN Collaborative Conference on Crystal Growth (3CG2015), 2015/12, With Invitation, English, Hong Kong
  16. Structural investigation of low-temperature-grown InxGa1-xAs -What happens inside it?-, Yoriko Tominaga, Yutaka Kadoya, Hitoshi Morioka, 5th International Workshop on Epitaxial Growth and Fundamental Properties of Semiconductor Nanostructures (SemiconNano2015), 2015/09, With Invitation, English, Hsinchu, Taiwan
  17. Crystal Structure of Low-Temperature-Grown In0.45Ga0.55As, Yoriko Tominaga, Yutaka Kadoya, CMOS Emerging Technology Research (CMOSETR2015),, 2015/05, With Invitation, English, Vancouver, BC, Canada
  18. High-Resolution X-Ray Reciprocal Space Mapping of Low-Temperature-Grown In0.45Ga0.55As on InP substrate, Yoriko Tominaga and Yutaka Kadoya, 2015 Material Research Society (MRS2015) Spring Meeting, 2015/04, Without Invitation, English, San Francisco, CA, USA
  19. Asymmetric Bull’s Eye Coupler Generating Focused Axial THz Electric Field, Yutaka Kadoya, Damien Armand, Yoshiyuki Hironaka, Syuta Kanazawa, Yoriko Tominaga, Tomoko Tanaka, and Koichiro Tanaka, The 5h International Symposium on Terahertz Nanoscience (TeraNano V), 2014/12, With Invitation, English, Martinique, France
  20. Coherent and Incoherent Contributions in the Nonlinear Photo‐Excitation of Low‐Temperature‐Grown GaAs THz antenna by 1560 nm Pulses, Yutaka Kadoya, Yuki Tomiyasu, Yoriko Tominaga, 21st International Conference on Applied Electromagnetics and Communications (ICECom2013), Special session on Terahertz Technology and Applications II, 2013/10, With Invitation, English, Dubrovnik, Croatia
  21. Photo-pumped GaAs1-xBix lasing operation with low-temperature-dependent oscillation wavelength, Yoriko Tominaga, Kunishige Oe, Masahiro Yoshimoto, SPIE Photonics West 2012, Novel In-Plane Semiconductor Lasers XI Conference, 2012/01, With Invitation, English, San Francisco, CA, USA
  22. Structural evaluation of GaAs1-xBix/AlyGa1-yAs heterojunction interface toward fabrication of GaAs1-xBix laser diode, Takuma Fuyuki, Yoriko Tominaga, Kunishige Oe, and Masahiro Yoshimoto, Colloquium at Fraunhofer IAF, 2011/05, With Invitation, English, Freiburg, Germany
  23. Lasing in GaAs1-xBix/GaAs thin film cavity by photo-pumping and the low-temperature-dependent oscillation wavelength, Yoriko Tominaga, Takuma Fuyuki, Kunishige Oe, and Masahiro Yoshimoto, Colloquium at Fraunhofer IAF, 2011/05, With Invitation, English, Freiburg, Germany

Awards

  1. 2018/04/17, The Young Scientists' Prize, The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology, Ministry of Education, Culture, Sports, Science and Technology, 結晶欠陥を活用した発光素子向け新機能発現半導体混晶の研究

External Funds

Acceptance Results of Competitive Funds

  1. 2021, 2023
  2. 2021, 2023
  3. 2021, 2023
  4. 2020
  5. The Murata Science Foundation, 2019, 2020
  6. 2019, 2020
  7. 2018, 2020
  8. 2018
  9. 2017, 2018
  10. 2017, 2019
  11. 2017
  12. 2015, 2017
  13. 2015, 2017
  14. KAKENHI, 2015, 2016
  15. 2015
  16. KAKENHI, 2014, 2015
  17. 2014
  18. 2012
  19. KAKENHI, 2009, 2012

Social Activities

History as Committee Members

  1. Young chairperson member of committee of the 5th International Union of Materials Research Societies International Conference of Young Researchers on Advanced Materials (IUMRS-ICYRAM2022), 2021/01, IUMRS-ICYRAM2022
  2. JSAP Annual Meeting Program Committee, 2020/11, Japan Society of Applied Physics
  3. Member of Science Council of Japan, 2020/10, Science Council of Japan
  4. Editor of OYO BUTURI (Membership Journal), 2019/04, 2021/03, Japan Society of Applied Physics
  5. Steering Committee member of 7th International Workshop on Epitaxial Growth and Fundamental Properties of Semiconductor Nanostructures (SemiconNano2019), 2018/03, 2019/09, Committee of SemiconNano2019
  6. JSMS Planning and Public Relations Committee, 2017/04, 2019/03, JSMS Committee on Semiconductor Electronics