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naoi yoshiki  直井 美貴

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NAOI Yoshiki  直井 美貴

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Researcher Number 90253228
Other IDs
Affiliation (Current) 2025: 徳島大学, 大学院社会産業理工学研究部(理工学域), 教授
Affiliation (based on the past Project Information) *help 2017 – 2020: 徳島大学, 大学院社会産業理工学研究部(理工学域), 教授
2016: 徳島大学, 理工学研究部, 教授
2012 – 2016: 徳島大学, ソシオテクノサイエンス研究部, 教授
2012: 徳島大学, 大学院・ソシオテクノサイエンス研究部, 教授
2011: 徳島大学, ソシオテクノサイエンス研究部, 准教授 … More
2008 – 2010: The University of Tokushima, 大学院・ソシオテクノサイエンス研究部, 准教授
2003: TOKUSHIMA UNIVERSITY, FACULTY OF ENGINEERING, ASSOCIATE PROFESSOR, 工学部, 助教授
1998 – 2002: 徳島大学, 工学部, 講師
1996: The Univ.of Tokushima, Faculty of Eng.Lecture, 工学部, 講師
1995: 徳島大学, 工学部, 助手 Less
Review Section/Research Field
Principal Investigator
Electronic materials/Electric materials / Applied materials science/Crystal engineering / Basic Section 21050:Electric and electronic materials-related
Except Principal Investigator
Production engineering/Processing studies / Materials/Mechanics of materials / Physics / Electronic materials/Electric materials / Applied materials science/Crystal engineering
Keywords
Principal Investigator
発光ダイオード / 窒化ガリウム / LED / 紫外 / サブ波長 / subwavelength / LED / 偏光 / サブ波長回折格子 / ナノ周期構造 … More / 偏光制御 / 窒化物 / ナノインプリント / 薄膜・量子構造 / 結晶成長機構 / ホモエビタキシ- / 有機金属気相成長 / 光励起誘導放出 / 有機金属気相成長法 / ホモエピタキシ- … More
Except Principal Investigator
MOCVD / GaN / InNAs / ワイドギャップ半導体 / LED / InGaN / フェムト秒レーザー / シリコン / ナローギャップ半導体 / 窒化物 / レーザーアニール / 窒化物半導体 / オーミック電極 / 界面合金化 / レーザー合金化 / ダイアモンド / ワイドバンドギャップ半導体 / 金属電極 / 窒化ガリウム / シリコンカーバイド / レーザー加工・改質 / Material properties / Wide gap semiconductor / Plasma / Narrow gap semiconductor / Nitride / 窒化III-V族混晶 / 電子物性 / プラズマ / Dislocation / Homoepitaxy / Semiconductor lasers / Bulk GaN / 青色発光素子 / 昇華法 / 厚膜 / 転位 / ホモエピタキシ- / 半導体レーザ / バルク / レーザー加工 / レーザー / ナノマイクロ加工 / フッ硝酸 / エッチング / 赤外パルス / 半導体デバイス / 光物性 / 光学的特性 / プラズマ窒素源 Less
  • Research Projects

    (11 results)
  • Research Products

    (90 results)
  • Co-Researchers

    (15 People)
  •  Development of high performance LED with subwavelength nano structurePrincipal Investigator

    • Principal Investigator
      NAOI Yoshiki
    • Project Period (FY)
      2018 – 2020
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 21050:Electric and electronic materials-related
    • Research Institution
      The University of Tokushima
  •  Non-thermal anealing of the interface between wide band-gap semiconductor and metal induced by femtosecond laser irradiation

    • Principal Investigator
      TOMITA Takuro
    • Project Period (FY)
      2017 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Materials/Mechanics of materials
    • Research Institution
      The University of Tokushima
  •  Development of three-dimensional micro processing techniques using near-infrared femtosecond laser

    • Principal Investigator
      Matsuo Shigeki
    • Project Period (FY)
      2014 – 2016
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Production engineering/Processing studies
    • Research Institution
      Shibaura Institute of Technology
  •  High performance light emitting diode by subwavelength gratingPrincipal Investigator

    • Principal Investigator
      NAOI Yoshiki
    • Project Period (FY)
      2012 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      The University of Tokushima
  •  Development of new microprocessing technology of silicon crystalline substrate: internal, three-dimensional, arbitrary-shape removal processing

    • Principal Investigator
      MATSUO Shigeki
    • Project Period (FY)
      2011 – 2012
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Production engineering/Processing studies
    • Research Institution
      The University of Tokushima
  •  Study on nitride-based semiconductor photonic devices with nano-imprint techniquePrincipal Investigator

    • Principal Investigator
      NAOI Yoshiki
    • Project Period (FY)
      2008 – 2010
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      The University of Tokushima
  •  MATERIAL SCIENCE AND APPLICATION OF ALLOY NITRIC SEMICONDUCTORS

    • Principal Investigator
      SAKAI Shiro
    • Project Period (FY)
      1999 – 2003
    • Research Category
      Grant-in-Aid for Specially Promoted Research
    • Review Section
      Physics
    • Research Institution
      TOKUSHIMA UNIVERSITY
  •  窒化物半導体による半金属合金の合成と評価に関する研究

    • Principal Investigator
      SAKAI Shiro
    • Project Period (FY)
      1998 – 1999
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Applied materials science/Crystal engineering
    • Research Institution
      The University of Tokushima
  •  窒化物混晶半導体の界面物性評価Principal Investigator

    • Principal Investigator
      直井 美貴
    • Project Period (FY)
      1996
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Applied materials science/Crystal engineering
    • Research Institution
      The University of Tokushima
  •  窒化物混晶半導体の物性評価Principal Investigator

    • Principal Investigator
      直井 美貴
    • Project Period (FY)
      1995
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Applied materials science/Crystal engineering
    • Research Institution
      The University of Tokushima
  •  A research on full-color LED using UV light emitting devices

    • Principal Investigator
      SAKAI Shiro
    • Project Period (FY)
      1995 – 1996
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Electronic materials/Electric materials
    • Research Institution
      The University of Tokushima

All 2021 2020 2019 2018 2017 2015 2014 2010 2009 2008 Other

All Journal Article Presentation

  • [Journal Article] Magnetically tunable visible reflectivity utilizing the electron accumulation in indium-tin-oxide waveguide layer with subwavelength grating2020

    • Author(s)
      Yua Okano, Yuusuke Takashima, Masanobu Haraguchi and Yoshiki Naoi
    • Journal Title

      Proceedings of SPIE

      Volume: 11467 Pages: 64-64

    • DOI

      10.1117/12.2568382

    • NAID

      120006881400

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Journal Article] Optical detection for magnetic field using Ni-subwavelength grating on SiO2/thin-film Ag/glass structure2020

    • Author(s)
      Yuusuke Takashima, Kohei Moriiwa, Masanobu Haraguchi and Yoshiki Naoi
    • Journal Title

      Scientific Reports

      Volume: 10 Issue: 1

    • DOI

      10.1038/s41598-020-74202-w

    • NAID

      120006937596

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Journal Article] GaN-Based High-Contrast Grating for Refractive Index Sensor Operating BlueViolet Wavelength Region2020

    • Author(s)
      Yuusuke Takashima ,Masanobu Haraguchi andYoshiki Naoi
    • Journal Title

      Sensors

      Volume: 20 Issue: 16 Pages: 4444-4444

    • DOI

      10.3390/s20164444

    • NAID

      120006881401

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Journal Article] Optical magnetic field sensor based on guided mode resonance with Ni subwavelength grating/ waveguide structure2019

    • Author(s)
      Yuusuke Takashima, Masanobu Haraguchi and Yoshiki Naoi
    • Journal Title

      Proceedings of SPIE

      Volume: 10928 Pages: 64-64

    • DOI

      10.1117/12.2509490

    • NAID

      120006583540

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Journal Article] Ni subwavelength grating/SiO2/Ag based optical magnetic field sensor with normal incident geometry2019

    • Author(s)
      Yuusuke Takashima, Kouhei Moriiwa, Masanobu Haraguchi and Yoshiki Naoi
    • Journal Title

      Proceedings of SPIE

      Volume: 11089 Pages: 67-67

    • DOI

      10.1117/12.2529017

    • NAID

      120006767273

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Journal Article] Highly Sensitive Refractive Index Sensor Using Dual Resonance in Subwavelength Grating/Waveguide With Normally Incident Optical Geometry2019

    • Author(s)
      Yuusuke Takashima, Keita Kusaba, Masanobu Haraguchi and Yoshiki Naoi
    • Journal Title

      IEEE Sensors Journal

      Volume: 19 Issue: 15 Pages: 6147-6153

    • DOI

      10.1109/jsen.2019.2910585

    • NAID

      120007019243

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Journal Article] Dual-wavelengths filter operating at visible wavelength region using subwavelength grating on waveguide structure2019

    • Author(s)
      Yuusuke Takashima, Masanobu Haraguchi and Yoshiki Naoi
    • Journal Title

      Optical Review

      Volume: 26 Issue: 5 Pages: 466-471

    • DOI

      10.1007/s10043-019-00541-3

    • NAID

      120006879197

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Journal Article] Femtosecond laser?assisted thermal annealing of Ni electrode on SiC substrate2018

    • Author(s)
      Kawakami Hiroki、Naoi Yoshiki、Tomita Takuro
    • Journal Title

      AIP Advances

      Volume: 8 Issue: 6 Pages: 065204-065204

    • DOI

      10.1063/1.5036804

    • NAID

      120006479012

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PUBLICLY-17H05340, KAKENHI-PROJECT-17H03147
  • [Journal Article] Polarized Emission Characteristics of UV-LED with Subwavelength Grating2014

    • Author(s)
      Yuusuke Takashima, Ryo Shimizu, Masanobu Haraguchi and Yoshiki Naoi
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 53

    • NAID

      120006510978

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Journal Article] GaN surface nanostructure photodetector based on back side incidence2010

    • Author(s)
      Jing Zhang, Yoshiki Naoi, Shiro Sakai, Atsuyuki Fukano, Satoru Tanaka
    • Journal Title

      physica status solidi (c) Vol.7, No.7-8

      Pages: 1804-1806

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Journal Article] GaN-based light emitting diodes with periodic nano-structures on the surface fabricated by nanoimprint lithography technique2010

    • Author(s)
      Naoi Y, et al.
    • Journal Title

      physica status solidi (c)

      Volume: 7巻 Pages: 2154-2156

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Journal Article] GaN-based light emitting diodes with periodic nano-structures on the surface fabricated by nanoimprint lithography technique2010

    • Author(s)
      Yoshiki Naoi, Masakazu Matsumot, Tianya Tan, Mitsuaki Tohno, Shiro Sakai Jing Zhang, Atsuyuki Fukano, Satoru Tanaka
    • Journal Title

      physica status solidi (c) Vol.7, No.7-8

      Pages: 2154-2156

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Journal Article] Evaluation and re-growth of p-GaN on nano-patterned GaN on sapphire substrate2010

    • Author(s)
      Yuji Nariyuki, Masakazu Matsumoto, Takeshi Noda, Katsushi Nishino, Yoshiki Naoi, Shiro Sakai, Atsuyuki Fukano, Satoru Tanaka
    • Journal Title

      physica status solidi (c) Vol.7, No.7-8

      Pages: 2121-2123

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Journal Article] Fabrication and Photovoltaic Measurements of Surface Nanostructure of A1GaInN-Based Photodetector2009

    • Author(s)
      Jing Zhang, Yoshiki Naoi, Shiro Sakai, Atsuyuki Fukano, Satoru Tanaka
    • Journal Title

      Japanese Journal of Applied Physics, Part 1 (Regular Papers & Short Notes) Vol.48

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] High refractive index contrast meta-structures for GaN-based and sensing applications operating at deep ultraviolet to visible wavelength2021

    • Author(s)
      Yuusuke Takashima, Kentaro Nagamatsu, Masanobu Haraguchi and Yoshiki Naoi
    • Organizer
      13thInternational Symposium on Advanced Plasma Science and its Applications for Nitrides and Nanomaterials
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] TiO2メタ周期構造を表面に有するAlGaN系深紫外発光ダイオードのコリメート特性2021

    • Author(s)
      髙島 祐介, 永松 謙太郎, 原口 雅宣, 直井 美貴
    • Organizer
      第68回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] Magnetically tunable visible reflectivity utilizing the electron accumulation in indium-tin-oxide waveguide layer with subwavelength grating2020

    • Author(s)
      Yua Okano, Yuusuke Takashima, Masanobu Haraguchi and Yoshiki Naoi
    • Organizer
      SPIE Optics + Photonics 2020 DIgital Forum
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] 高屈折率差周期ブリッジ構造による可視光フィルター2020

    • Author(s)
      髙島 祐介, 原口 雅宣, 直井 美貴
    • Organizer
      第81回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] 構造高さを変調したTiO2メタ表面による集光紫外発光ダイオードの提案2020

    • Author(s)
      髙島 祐介, 永松 謙太郎, 原口 雅宣, 直井 美貴
    • Organizer
      日本光学会年次学術講演会Optics & Photonics Japan 2020
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] Significant enhancement of magneto-optical effect at ultraviolet wavelength using Nisubwavelength grating on SiO2/Ni structure2020

    • Author(s)
      Yuusuke Takashima, Masanobu Haraguchi and Yoshiki Naoi
    • Organizer
      30th International Symposium on Imaging, Sensing, and Optical Memory (ISOM'20)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] GaNサブ波長格子を用いた400nm波長帯で動作する高感度屈折率センサー2019

    • Author(s)
      髙島 祐介, 原口 雅宣, 直井 美貴
    • Organizer
      第67回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] サブ波長周期電極構造を用いた発光ダイオードの配光特性制御の理論的検討2019

    • Author(s)
      髙島 祐介, 原口 雅宣, 直井 美貴
    • Organizer
      LED総合フォーラム2019in徳島
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] 導波層電子蓄積効果を利用した共鳴型カラーフィルター2019

    • Author(s)
      髙島 祐介, 原口 雅宣, 直井 美貴
    • Organizer
      2019年度応用物理・物理系学会中国四国支部合同学術講演会
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] Femtosecond laser irradiation aided low-temperature thermal anneal of Ni electrode on SiC2019

    • Author(s)
      Takuro Tomita, Hiroki Kawakami and Yoshiki Naoi
    • Organizer
      The 8th International Congress on Laser Advanced Materials Processin
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03147
  • [Presentation] 変調サブ波長周期電極を用いた集光機能を有する発光ダイオードの理論的検討2019

    • Author(s)
      大下 悠, 髙島 祐介, 原口 雅宣, 直井 美貴
    • Organizer
      第67回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] Optical magnetic field sensor based on guided mode resonance with Ni subwavelength grating/ waveguide structure2019

    • Author(s)
      Yuusuke Takashima, Masanobu Haraguchi and Yoshiki Naoi
    • Organizer
      SPIE Photonics West 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] 微細ナノ構造を用いた可視~紫外フォトニックデバイス2019

    • Author(s)
      髙島 祐介, 原口 雅宣, 直井 美貴
    • Organizer
      第69回CVD研究会「第30回夏季セミナー」
    • Invited
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] フェムト秒レーザー照射による結晶改質がp-GaNへのオーミックコンタクトに与える影響2019

    • Author(s)
      片山 裕之, 直井 美貴, 岡田 達也, 田中 康弘, 富田 卓朗
    • Organizer
      第66回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-17H03147
  • [Presentation] 低アスペクト比Geサブ波長格子中を用いた可視域偏光フィルター2019

    • Author(s)
      髙島 祐介, 原口 雅宣, 直井 美貴
    • Organizer
      第66回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] Ni subwavelength grating/SiO2/Ag based optical magnetic field sensor with normal incident geometry2019

    • Author(s)
      Yuusuke Takashima, Kohei Moriiwa, Masanobu Haraguchi and Yoshiki Naoi
    • Organizer
      SPIE Optics + Photonics 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] アニール処理によるNiナノ粒子を用いた微小磁場検出2019

    • Author(s)
      髙島 祐介, 原口 雅宣, 直井 美貴
    • Organizer
      第66回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] Niナノ周期構造/SiO2/Ag薄膜系を用いた磁場検出2018

    • Author(s)
      森岩 晃平, 髙島 祐介, 原口 雅宣, 直井 美貴
    • Organizer
      2018年度応用物理・物理系学会中国四国支部合同学術講演会
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] 磁性体ナノ構造を用いた導波路共鳴磁場センサー2018

    • Author(s)
      髙島 祐介, 原口 雅宣, 直井 美貴
    • Organizer
      日本光学会ナノオプティクス研究グループ 第25回研究討論会
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] Study of ohmic contact electrode on p-GaN using moderate crystal damage effect induced by femtosecond laser irradiation technique2018

    • Author(s)
      Hiroyuki Katayama, Yoshiki Naoi, Tatsuya Okada, Yasuhiro Tanaka and Takuro Tomita
    • Organizer
      International Workshop on Nitride Semiconductors 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03147
  • [Presentation] Refractive Index Sensor Using Subwavelength Grating on Waveguide with Normal Incident Configuration2018

    • Author(s)
      Yuusuke Takashima, Masanobu Haraguchi and Yoshiki Naoi
    • Organizer
      The 23rd Microoptics Conference
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] 非線形光学効果によるナノ周期構造透過光制御2018

    • Author(s)
      杉 峻平, 髙島 祐介, 原口 雅宣, 直井 美貴
    • Organizer
      2018年度応用物理・物理系学会中国四国支部合同学術講演会
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] p-GaN上オーミック電極形成のためのフェムト秒レーザー照射方法の検討2018

    • Author(s)
      片山 裕之, 川上 博貴, 今垣 諒彌, 橋本 拓哉, 山口 誠, 田中 康弘, 直井 美貴, 岡田 達也, 富田 卓朗
    • Organizer
      第65回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-17H03147
  • [Presentation] ホール測定によるNi/SiC界面に形成されたフェムト秒レーザー改質層の電気特性評価2018

    • Author(s)
      川上 博貴, 直井 美貴, 富田 卓朗
    • Organizer
      第65回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-17H03147
  • [Presentation] サブ波長回折格子/導波路複合構造による二波長フィルター2018

    • Author(s)
      髙島 祐介, 原口 雅宣, 直井 美貴
    • Organizer
      第79回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] Dual-wavelengths Filter Operating at Visible Wavelength Region using Subwavelength Grating on Waveguide Structure2018

    • Author(s)
      Yuusuke Takashima, Masanobu Haraguchi and Yoshiki Naoi
    • Organizer
      11th International Conference on Optics-photonics Design and Fabrication
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] Femtosecond laser irradiation for the low contact resistance electrode fabrication on p-type gallium nitride2018

    • Author(s)
      Hiroyuki Katayama, Hiroki Kawakami, Yoshiki Naoi and Takuro Tomita
    • Organizer
      19th International Symposium on Laser Precision Microfabrication (LPM 2018)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03147
  • [Presentation] Guided mode resonance based magnetic field sensor including Ni nano-grating2018

    • Author(s)
      Yuusuke Takashima, Masanobu Haraguchi and Yoshiki Naoi
    • Organizer
      2018 Joint Symposia on Optics
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K04238
  • [Presentation] フェムト秒レーザー照射により作製したSiC上Ni電極の電気特性評価2017

    • Author(s)
      川上 博貴, 直井 美貴, 富田 卓朗
    • Organizer
      第78回応用物理学会秋季学術講演会
    • Data Source
      KAKENHI-PROJECT-17H03147
  • [Presentation] Annealing of Ni/Au electrode on p-GaN by femtosecond laser irradiation2017

    • Author(s)
      Hiroyuki Katayama, Yuuki Yamasaki, Hiroki Kawakami, Yoshiki Naoi and Takuro Tomita
    • Organizer
      International Workshop on UV Materials and Devices 2017, We-P3, Fukuoka, Nov. 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03147
  • [Presentation] Formation of Ni ohmic electrode on SiC by femtosecond laser irradiation associated with thermal annealing2017

    • Author(s)
      Hiroki Kawakami, Yoshiki Naoi and Takuro Tomita
    • Organizer
      International Workshop on UV Materials and Devices 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03147
  • [Presentation] SiC と金属の界面におけるフェムト秒レーザー照射支援アニール2017

    • Author(s)
      川上 博貴, 直井 美貴, 富田 卓朗
    • Organizer
      先進パワー半導体分科会第4回講演会
    • Data Source
      KAKENHI-PROJECT-17H03147
  • [Presentation] Improvement of Polarization Characteristics of UV-LED by Using Sub-Wavelength Grating with Low Index Underlayer2015

    • Author(s)
      Yuusuke Takashima, Ryo Shimizu, Masanobu Haraguchi and Yoshiki Naoi
    • Organizer
      7th International Symposium on Advanced Plasma Science and its Applications for Nitrides and Nanomaterials
    • Place of Presentation
      名古屋大学(愛知県・名古屋市)
    • Year and Date
      2015-03-28
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] サブ波長金属回折格子を用いた紫外域偏光制御における材料及び構造設計指針の理論検討2015

    • Author(s)
      町田 優奈, 高島 祐介, 清水 亮, 田邊 聖人, 佐竹 正行, 直井 美貴
    • Organizer
      LED総合フォーラム2014-2015in徳島
    • Place of Presentation
      徳島大学(徳島県・徳島市)
    • Year and Date
      2015-01-10
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] Siサブ波長回折格子/SiO2膜/LED構造を有する窒化物系偏光LED2015

    • Author(s)
      高島 祐介, 田邊 聖人, 清水 亮, 原口 雅宣, 直井 美貴
    • Organizer
      第62回応用物理学会春季学術講演会
    • Place of Presentation
      東海大学(神奈川県・平塚市)
    • Year and Date
      2015-03-13
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] 有限時間領域差分法による紫外域の多層サブ波長回折格子偏光特性の理論的検討2015

    • Author(s)
      高島 祐介, 田邊 聖人, 佐竹 正行, 町田 優奈, 清水 亮, 原口 雅宣, 直井 美貴
    • Organizer
      LED総合フォーラム2014-2015in徳島
    • Place of Presentation
      徳島大学(徳島県・徳島市)
    • Year and Date
      2015-01-10
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] 多層サブ波長回折格子を有するLEDの偏光特性2014

    • Author(s)
      高島 祐介, 清水 亮, 原口 雅宣, 直井 美貴
    • Organizer
      2014年度応用物理・物理系学会中国四国支部合同学術講演会
    • Place of Presentation
      島根大学(島根県・松江市)
    • Year and Date
      2014-07-26
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] サブ波長金属回折格子の紫外域偏光特性の理論検討2014

    • Author(s)
      高島 祐介, 清水 亮, 原口 雅宣, 直井 美貴
    • Organizer
      第75 回応用物理学会秋季学術講演会
    • Place of Presentation
      北海道大学(北海道・札幌市)
    • Year and Date
      2014-09-19
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] サブ波長周期構造を有する窒化物系LED の 発光特性2014

    • Author(s)
      清水 亮, 高島 祐介, 原口 雅宣, 直井 美貴
    • Organizer
      日本光学会年次学術講演会Optics & Photonics Japan 2014
    • Place of Presentation
      筑波大学(東京都文京区)
    • Year and Date
      2014-11-06
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] 表面・界面に周期構造を有するGaN系LEDの配向特性評価2010

    • Author(s)
      松本将和, 福田弘之, 直井美貴, 酒井士郎, 深野敦之, 田中覚
    • Organizer
      LED総合フォーラム,69
    • Place of Presentation
      あわぎんホール(徳島市)
    • Year and Date
      2010-04-17
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] ナノ微粒子技術を用いたGaN表面周期構造の作製2010

    • Author(s)
      楠貴大, 沼島明菜, 直井美貴, 酒井士郎
    • Organizer
      平成22年度電気関係学会四国支部連合大会,11-17
    • Place of Presentation
      愛媛大学
    • Year and Date
      2010-09-25
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] Front and Back Side Illumination of a Nano-Structured AlGaInN Photodetector2010

    • Author(s)
      Jing Zhang,, Takumi Taoka, Yoshiki Naoi, Shiro Sakai, Atsuyuki Fukano, Satoru Tanaka
    • Organizer
      2nd International Symposium on Advanced Plasma Science and its Applications for Nitrides and Nanomaterials,PB064C
    • Place of Presentation
      Nagoya
    • Year and Date
      2010-03-10
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] 金属マスクを施したサファイア表面周期構造へのGaN成長と評価2010

    • Author(s)
      和田祥吾, 直井美貴, 酒井士郎, 深野敦之, 田中覚
    • Organizer
      平成22年度電気関係学会四国支部連合大会,11-18
    • Place of Presentation
      愛媛大学
    • Year and Date
      2010-09-25
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] ナノ加工GaN基板上再成長層のTEM観察2010

    • Author(s)
      西野克志, 澤井佑介, 成行祐児, 野田丈嗣, 直井美貴, 酒井士郎, 深野敦之, 田中覚
    • Organizer
      第57回応用物理学関係連合講演会,19a-TB2
    • Place of Presentation
      東海大学
    • Year and Date
      2010-03-19
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] GaN系UV-LEDの偏光特性2010

    • Author(s)
      松本将和, 福田弘之, 直井美貴, 酒井士郎
    • Organizer
      平成22年度電気関係学会四国支部連合大会,11-14
    • Place of Presentation
      愛媛大学
    • Year and Date
      2010-09-25
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] サファイア上周期的ナノ構造を形成するためのナノインプリント技術開発とGaN系LED2009

    • Author(s)
      直井美貴, 酒井士郎, 深野敦之, 田中覚, 納田卓, 木村真大, 川野俊輔, 村本宜彦
    • Organizer
      第56回応用物理学関係連合講演会,1p-ZJ-10
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-04-01
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] 表面ナノ周期構造を有するInGaN-LEDからの輻射光空間分布特性2009

    • Author(s)
      直井美貴, 他
    • Organizer
      2009年秋季 第70回応用物理学会学術講演会
    • Place of Presentation
      富山大学(富山県)
    • Year and Date
      2009-09-11
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] GaN-bled Light Emitting Diodes with Periodic Nano-structues on the Surface Fabricated by Nanoimprint Lithography Technique2009

    • Author(s)
      Yoshiki Naoi, Mitsuaki Tohno, Tianya Tan, Masakazu Matsmoto,, Shiro Sakai, Atsuyuki Fukano, Satoru Tanaka
    • Organizer
      The 8th International Conference on Nitride Semiconductors,ThP106
    • Place of Presentation
      Cheju, Oct.
    • Year and Date
      2009-10-22
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] Evaluation and Re-growth of GaN on Nano-patterned GaN on a Sapphire Substrate2009

    • Author(s)
      Yuji Nariyuki, Masakazu Matsmoto, Yoshiki Naoi, Shiro Sakai, Atsuyuki Fukano, Satoru Tanaka
    • Organizer
      The 8th International Conference on Nitride Semiconductors,TP113
    • Place of Presentation
      Cheju, Oct.
    • Year and Date
      2009-10-20
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] ナノインプリント技術により周期的ナノ構造を形成したGaN系光デバイスからのEL特性2009

    • Author(s)
      遠野充明, 直井美貴, 酒井士郎, 深野敦之, 田中覚
    • Organizer
      第56回応用物理学関係連合講演会,1p-ZJ-11
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-04-01
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] GaNナノ加工pnダイオード光検出器2009

    • Author(s)
      張晶, 遠野充明, 奥野誠亮, 直井美貴, 酒井士郎, 深野敦之, 田中覚
    • Organizer
      第56回応用物理学関係連合講演会,1a-ZJ-30
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-04-01
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] The surface nanostructure photo-voltaic property of GaN-based photodetector2009

    • Author(s)
      Jing Zang, S.Okuno, Yoshiki Naoi, Shiro Sakai, Atsuyuki Fukano, Satoru Tanaka
    • Organizer
      Asia-Pacific Workshop on wide gap Semiconductors (APWS 2009),M03-7
    • Place of Presentation
      Zhangjiajie (China)
    • Year and Date
      2009-05-25
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] GaN Surface Nanostructure Photodetector Based on Back Side Incidence2009

    • Author(s)
      張晶, 直井美貴, 酒井士郎, 深野敦之, 田中覚
    • Organizer
      The 8th International Conference on Nitride Semiconductors,TP145
    • Place of Presentation
      Cheju, Oct.
    • Year and Date
      2009-10-20
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] 表面ナノ周期構造を有するlnGaN-LEDからの輻射光空間分布特性2009

    • Author(s)
      直井美貴, 松本将和, 諦天亜, 酒井士郎, 深野敦之, 田中覚
    • Organizer
      第70回応用物理学会学術講演会(11a-X-8)
    • Place of Presentation
      富山大学
    • Year and Date
      2009-09-11
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] ナノ加工を用いたGaNのC-V特性2009

    • Author(s)
      成行祐児, 松本将和, 遠野充明, 直井美貴, 酒井士郎, 深野敦之, 田中覚
    • Organizer
      第56回応用物理学関係連合講演会,30p-ZJ-3
    • Place of Presentation
      筑波大学
    • Year and Date
      2009-03-30
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] 紫外線LEDの開発動向と今後の応用について2009

    • Author(s)
      直井美貴
    • Organizer
      徳島ビジネスチャレンジメッセ2009LEDコンソーシアム基調講演
    • Place of Presentation
      アスティ徳島
    • Year and Date
      2009-10-15
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] GaN系表面ナノ構造光検出器2009

    • Author(s)
      張晶, 直井美貴, 酒井士郎, 深野敦之, 田中覚
    • Organizer
      電子情報通信学会電子デバイス研究会,Vol.109(No.288,83-87)
    • Place of Presentation
      徳島大学
    • Year and Date
      2009-11-12
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] LEDの光出力改善技術2009

    • Author(s)
      直井美貴
    • Organizer
      技術情報協会LED照明の高輝度・長寿命化技術セミナー
    • Place of Presentation
      大田区産業プラザ
    • Year and Date
      2009-05-21
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] GaN-Based Light Emitting Diodes with Periodic Nano-Structures on the Surface Fabricated by Nanoimprint Lithography Technique2009

    • Author(s)
      Y.Naoi, et al.
    • Organizer
      The 8th International Conference on Nitride Semiconductors (ICNS 2009)
    • Place of Presentation
      済州(韓国)
    • Year and Date
      2009-10-22
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] 裏面入射GaN系表面ナノ構造光検出器2009

    • Author(s)
      張晶, 直井美貴, 酒井士郎, 深野敦之, 田中覚
    • Organizer
      第70回応用物理学会学術講演会,11a-E-9
    • Place of Presentation
      富山大学
    • Year and Date
      2009-09-11
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] サファイア上周期的ナノ構造を形成するためのナノインプリント技術開発とGaN系LED2009

    • Author(s)
      直井美貴, 他
    • Organizer
      2009年春季第56回応用物理学関係連合講演会
    • Place of Presentation
      筑波大学(茨城県)
    • Year and Date
      2009-04-01
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] ナノ加工を施したGaN上への再成長及びその評価2009

    • Author(s)
      成行祐児, 松本将和, 直井美貴, 酒井士郎, 深野敦之, 田中覚
    • Organizer
      第70回応用物理学会学術講演会,8D-F-2
    • Place of Presentation
      富山大学
    • Year and Date
      2009-09-08
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] ナノインプリント技術によるサファイア基板上へのナノ構造の形成2008

    • Author(s)
      遠野充明, 直井美貴, 酒井士郎, 和地順蔵
    • Organizer
      平成20年度電気関係学会四国支部連合大会,11-3
    • Place of Presentation
      徳島大学
    • Year and Date
      2008-09-27
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] ナノインプリント技術により周期的微細構造を施したGaN系デバイスからの電流注入発光特性2008

    • Author(s)
      遠野充明, 張晶, 直井美貴, 酒井士郎, 和地順蔵
    • Organizer
      電子情報通信学会電子デバイス研究会,Vo1.ED2008-158
    • Place of Presentation
      名古屋工業大学
    • Year and Date
      2008-11-20
    • Data Source
      KAKENHI-PROJECT-20560302
  • [Presentation] Cr-サブ波長回折格子を用いた紫外域偏光制御の理論的検討

    • Author(s)
      高島祐介,南原 康亮, 清水亮,原口雅宣, 直井美貴
    • Organizer
      第61回応用物理学会春季学術講演会
    • Place of Presentation
      青山学院大学(神奈川県)
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] 低屈折率膜を有するサブ波長回折格子を実装したUV-LEDの偏光特性

    • Author(s)
      高島祐介,清水亮,原口雅宣, 直井美貴
    • Organizer
      第74回応用物理学会秋季学術講演会
    • Place of Presentation
      同志社大学(京都府)
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] Optical characteristics of UV-LED with subwavelength grating

    • Author(s)
      Yuusuke Takashima, Ryo Shimizu, Msanobu Haraguchi, and Yoshiki Naoi
    • Organizer
      18th Microoptics Conference
    • Place of Presentation
      東京工業大学(東京都)
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] サブ波長回折格子を用いたAlGaN系LEDの偏光選択特性

    • Author(s)
      直井美貴
    • Organizer
      物理系学会中国四国支部2012年度支部学術講演会
    • Place of Presentation
      山口大学(山口県)
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] Polarized Light Emission from Blue-LED with SiO2 Subwavelength Grating

    • Author(s)
      Ryo Shimizu, Yuusuke Takashima and Yoshiki Naoi
    • Organizer
      6th International Symposium on Advanced Plasma Science and its Applications for Nitrides and Nanomaterials
    • Place of Presentation
      名城大学(愛知県)
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] UV-LED上サブ波長回折格子の偏光特性評価

    • Author(s)
      直井美貴
    • Organizer
      第60会応用物理学会春季学術講演会
    • Place of Presentation
      神奈川工科大学(神奈川県)
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] 高屈折率差サブ波長回折格子のLED応用への検討

    • Author(s)
      清水亮, 高島祐介, 直井美貴
    • Organizer
      LED総合フォーラム2013in徳島
    • Place of Presentation
      あわぎんホール(徳島県)
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] サブ波長回折格子形状のLED偏光特性に対する影響

    • Author(s)
      清水亮, 高島祐介, 直井美貴
    • Organizer
      第61回応用物理学会春季学術講演会
    • Place of Presentation
      青山学院大学(神奈川県)
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] 低屈折率差サブ波長回折格子を有するLEDからの発光特性

    • Author(s)
      清水亮, 高島祐介, 直井美貴
    • Organizer
      応用物理学会 中国四国支部 2013年度 支部学術講演会
    • Place of Presentation
      香川大学(香川県)
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] サブ波長回折格子による直線偏光UV-LEDの理論的解析

    • Author(s)
      直井美貴
    • Organizer
      第73回応用物理学会学術講演会
    • Place of Presentation
      愛媛大学(愛媛県)
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] Theoretical analysis for linerly polarized emission in UV-LED with subwavelength grating structure

    • Author(s)
      Yoshiki Naoi
    • Organizer
      International Workshop on Nitride Semiconductors 2012
    • Place of Presentation
      札幌コンベンションセンター(北海道)
    • Data Source
      KAKENHI-PROJECT-24560377
  • [Presentation] Fabrication of subwavelength grating with high aspect ratio on GaN LED

    • Author(s)
      Yoshiki Naoi
    • Organizer
      5th International Symposium on Advanced Plasma Science and its Applications for Nitrides and Nanomaterials
    • Place of Presentation
      名古屋大学(愛知県)
    • Data Source
      KAKENHI-PROJECT-24560377
  • 1.  SAKAI Shiro (20135411)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 24 results
  • 2.  MATSUO Shigeki (20294720)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 3.  HARAGUCHI Masanobu (20198906)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 10 results
  • 4.  NISHINO Katsushi (70284312)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  TOMITA Takuro (90359547)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 11 results
  • 6.  中島 貞之丞 (20207781)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  岡田 達也 (20281165)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 3 results
  • 8.  山口 誠 (90329863)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 9.  YUASA Takayuki
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  直井 弘之
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  HAO Maoshen
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 12.  LIU Yuhuai
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  LACROIX Yves
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  TOA Wang
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  MOHAMED Lachab
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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