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Optical characterization of AlN p-n junction diode

Research Project

Project/Area Number 19686003
Research Category

Grant-in-Aid for Young Scientists (A)

Allocation TypeSingle-year Grants
Research Field Applied materials science/Crystal engineering
Research InstitutionNTT Basic Research Laboratories

Principal Investigator

TANIYASU Yoshitaka  NTT Basic Research Laboratories, 機能物質科学研究部, 主任研究員 (20393738)

Project Period (FY) 2007 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥25,610,000 (Direct Cost: ¥19,700,000、Indirect Cost: ¥5,910,000)
Fiscal Year 2009: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2008: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2007: ¥14,170,000 (Direct Cost: ¥10,900,000、Indirect Cost: ¥3,270,000)
Keywords結晶工学 / 結晶成長 / 先端機能デバイス / 半導体物性 / 光物性 / 窒化物半導体 / A1N / 発光ダイオード / 紫外
Research Abstract

深紫外半導体発光デバイス材料として期待されている窒化アルミニウム(AlN)の基礎物性を解明するため、pn接合型AlN深紫外発光ダイオード(LED)などを作製して、それらの特性を評価した。まず、AlNの励起子物性、結晶欠陥の光電子物性、p型ドーピング機構などを解明した。また、AlNはバンド構造の特殊性から、従来の半導体にはなかった強い偏光性を有することを明らかにした。このAlN特有の強い偏光性を活かした高効率AlN深紫外LED構造を提案して、動作確認を行った。

Report

(4 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • 2007 Annual Research Report
  • Research Products

    (51 results)

All 2010 2009 2008 2007 Other

All Journal Article (13 results) (of which Peer Reviewed: 8 results) Presentation (33 results) Book (2 results) Remarks (3 results)

  • [Journal Article] Improved Emission Efficiency of 210-nm Deep-ultraviolet Aluminum Nitride Light-emitting Diode2010

    • Author(s)
      Y. Taniyasu, M. Kasu
    • Journal Title

      NTT Technical Review (掲載予定)

    • Related Report
      2009 Final Research Report
  • [Journal Article] Surface 210-nm light emission from an AlN p-n junction light-emitting diode enhanced by A-plane growth orientation2010

    • Author(s)
      Y. Taniyasu, M. Kasu
    • Journal Title

      Applied Physics Letters Vol.96

      Pages: 221110-221110

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 波長210nm遠紫外発光ダイオードの高効率化2010

    • Author(s)
      谷保芳孝、嘉数誠
    • Journal Title

      NTT技術ジャーナル 6巻

      Pages: 40829-40829

    • Related Report
      2009 Final Research Report
  • [Journal Article] AlNの光電子物性と波長210nm発光ダイオード2010

    • Author(s)
      谷保芳孝、嘉数誠
    • Journal Title

      応用電子物性分科会誌 16巻、第2号

      Pages: 57-62

    • Related Report
      2009 Final Research Report
  • [Journal Article] Surface 210-nm light emission from an AIN p-n junction light-emitting diode enhanced by A-plane growth orientation2010

    • Author(s)
      Y.Tanyasu
    • Journal Title

      Applied Physics Letters (accepted)

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Photoluminescence of highly excited AlN: Biexcitons and exciton-exciton scattering2009

    • Author(s)
      R.A.R. Leute, M. Feneberg, R. Sauer, K. Thonke, S.B. Thapa, F. Scholz, Y. Taniyasu, M. Kasu
    • Journal Title

      Applied Physics Letters Vol.95

      Pages: 31903-31903

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Photoluminescence of highly excited AIN : biexciton and exciton-exciton scattering2009

    • Author(s)
      R.Leute
    • Journal Title

      Applied Physics Letters 95

      Pages: 31903-31903

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Aluminum nitride deep-ultraviolet light-emitting p-n junction diodes2008

    • Author(s)
      Y. Taniyasu, M. Kasu
    • Journal Title

      Diamond & Related Materials Vol.17

      Pages: 1273-1277

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Aluminum nitride deep-ultraviolet light-emitting p-n junction diodes2008

    • Author(s)
      Y. Taniyasu and M. Kasu
    • Journal Title

      Diamond & Related Materials 17

      Pages: 1273-1277

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Radiation and polarization properties of free-exciton emission from AlN (0001) surface2007

    • Author(s)
      Y. Taniyasu, M. Kasu, T. Makimoto
    • Journal Title

      Applied Physics Letters Vol.90

      Pages: 261911-261911

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] 窒化アルミニウム(aln)発光ダイオード2007

    • Author(s)
      谷保芳孝
    • Journal Title

      化学と工業 8巻

      Pages: 783-785

    • Related Report
      2009 Final Research Report
  • [Journal Article] Radiation and polarization properties of free-exciton emission from AIN(0001)surface2007

    • Author(s)
      Y.Taniyasu
    • Journal Title

      Applied Physics Letters 90

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 窒化アルミニウム(AlN)発光ダイオード2007

    • Author(s)
      谷保 芳孝
    • Journal Title

      化学と工業 8

      Pages: 783-785

    • Related Report
      2007 Annual Research Report
  • [Presentation] AlNの光電子物性と波長210nm発光ダイオード2010

    • Author(s)
      谷保芳孝、嘉数誠
    • Organizer
      応用電子物性分科会研究例会
    • Place of Presentation
      大阪大学
    • Year and Date
      2010-05-21
    • Related Report
      2009 Final Research Report
  • [Presentation] 【招待講演】AINの光電子物性と波長210nm発光ダイオード2010

    • Author(s)
      谷保芳孝
    • Organizer
      応用電子物性分科会研究例会
    • Place of Presentation
      大阪大学
    • Year and Date
      2010-05-21
    • Related Report
      2009 Annual Research Report
  • [Presentation] p型MgドープAlNおよび高Al組成AlGaNの伝導制御2010

    • Author(s)
      谷保芳孝、嘉数誠
    • Organizer
      2010年春季第57回応用物理学会
    • Place of Presentation
      東海大学
    • Year and Date
      2010-03-18
    • Related Report
      2009 Final Research Report
  • [Presentation] p型MgドープAINおよび高A1組成AlGaNの伝導制御2010

    • Author(s)
      谷保芳孝
    • Organizer
      2010年春季第57回応用物理学会
    • Place of Presentation
      東海大学
    • Year and Date
      2010-03-18
    • Related Report
      2009 Annual Research Report
  • [Presentation] Non-c-plane 210-nm AlN light-emitting diode2009

    • Author(s)
      Y. Taniyasu, M. Kasu
    • Organizer
      The 8th International Conference on Nitride semiconductors (ICNS-8)
    • Place of Presentation
      Jeju, Korea
    • Year and Date
      2009-10-22
    • Related Report
      2009 Final Research Report
  • [Presentation] Non-c-plane 210-nm AIN light-emitting diode2009

    • Author(s)
      Y.Taniyasu
    • Organizer
      The 8th International Conference on Nitride semiconductors (ICNS-8)
    • Place of Presentation
      Jeju, Korea
    • Year and Date
      2009-10-22
    • Related Report
      2009 Annual Research Report
  • [Presentation] a面AlN発光ダイオードからの波長210nm遠紫外発光2009

    • Author(s)
      谷保芳孝、嘉数誠
    • Organizer
      2009年秋季第70回応用物理学会
    • Place of Presentation
      富山大学
    • Year and Date
      2009-09-10
    • Related Report
      2009 Final Research Report
  • [Presentation] a面AIN発光ダイオードからの波長210nm遠紫外発光2009

    • Author(s)
      谷保芳孝
    • Organizer
      2009年秋季第70回応用物理学会
    • Place of Presentation
      富山大学
    • Year and Date
      2009-09-10
    • Related Report
      2009 Annual Research Report
  • [Presentation] High excitation photoluminescence bands in AlN2009

    • Author(s)
      R. Leute, M. Feneberg, K. Thonke, R. Sauer, S. Thapa, F. Scholz, Y. Taniyasu, M. Kasu
    • Organizer
      e-MRS 2009 Spring Meeting
    • Place of Presentation
      Strasbourg, France
    • Year and Date
      2009-06-08
    • Related Report
      2009 Final Research Report
  • [Presentation] High excitation photoluminescence bands in AIN2009

    • Author(s)
      R.Leute
    • Organizer
      e-MRS 2009 Spring Meeting
    • Place of Presentation
      Strasbourg, France
    • Year and Date
      2009-06-08
    • Related Report
      2009 Annual Research Report
  • [Presentation] High excitation photoluminescence studies on epitaxially grown AlN layers2009

    • Author(s)
      R. Leute, M. Feneberg, K. Thonke, R. Sauer, S. Thapa, F. Scholz, Y. Taniyasu, M. Kasu
    • Organizer
      Deutsche Physikalische Gesellschaft conference (DPG2009)
    • Place of Presentation
      Dresden, Germany
    • Year and Date
      2009-03-24
    • Related Report
      2009 Final Research Report
  • [Presentation] High excitation photoluminescence studies on epitaxially grown AlN layers2009

    • Author(s)
      R. Leute
    • Organizer
      Deutsche Physikalische Gesellscaft conference(DPG2009)
    • Place of Presentation
      Dresden, Germany
    • Year and Date
      2009-03-24
    • Related Report
      2008 Annual Research Report
  • [Presentation] Y. Taniyasu and M. Kasu, Recent progress in AlN deep-UV light-emitting diodes: physics and device structure, SPIE Photonic West 20092009

    • Author(s)
      Y. Taniyasu, M. Kasu
    • Organizer
      Gallium Nitride Materials and Devices IV
    • Place of Presentation
      San Jose, USA
    • Year and Date
      2009-01-29
    • Related Report
      2009 Final Research Report
  • [Presentation] Recent progress in AlN deep-UV light-emitting diodes: physics and device structure2009

    • Author(s)
      Y. Taniyasu
    • Organizer
      SPIE Photonic West 2009, "Gallium Nitride Materials and Devices IV"
    • Place of Presentation
      San Jose, USA
    • Year and Date
      2009-01-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] Increase in free-exciton emission intensity from AlN by using m-plane2008

    • Author(s)
      Y. Taniyasu, M. Kasu
    • Organizer
      International Workshop on Nitride semiconductors (IWN 2008)
    • Place of Presentation
      Montreux, Switzerland
    • Year and Date
      2008-10-09
    • Related Report
      2009 Final Research Report
  • [Presentation] Increase in free-exciton emission intensity from AlN by using m-plane2008

    • Author(s)
      Y. Taniyasu
    • Organizer
      International Workshop on Nitride semiconductors (IWN 2008)
    • Place of Presentation
      Monteux, Switzerland
    • Year and Date
      2008-10-09
    • Related Report
      2008 Annual Research Report
  • [Presentation] 櫛形メサ構造によるaln遠紫外発光ダイオードの発光強度の増大2008

    • Author(s)
      谷保芳孝、嘉数誠
    • Organizer
      第69回応用物理学会学術講演会
    • Place of Presentation
      中部大学、春日井
    • Year and Date
      2008-09-05
    • Related Report
      2009 Final Research Report
  • [Presentation] 櫛形メサ構造によるAlN遠紫外発光ダイオードの発光強度の増大2008

    • Author(s)
      Y. Taniyasu
    • Organizer
      第69回応用物理学会学術講演会
    • Place of Presentation
      中部大学、春日井
    • Year and Date
      2008-09-05
    • Related Report
      2008 Annual Research Report
  • [Presentation] Influence of dislocations on AlN deep-UV light-emitting diodes2008

    • Author(s)
      Y. Taniyasu, M. Kasu
    • Organizer
      The 4th Asian Conference on Crystal Growth and Crystal Technology (CGCT4)
    • Place of Presentation
      Sendai, Japan
    • Year and Date
      2008-05-24
    • Related Report
      2009 Final Research Report
  • [Presentation] Influence of dislocations on AlN deep-UV light-emitting diodes2008

    • Author(s)
      Y. Taniyasu
    • Organizer
      The 4th Asian Conference on Crystal Growth and Crystal Technology (CGCT4)
    • Place of Presentation
      Sendai, Japan
    • Year and Date
      2008-05-24
    • Related Report
      2008 Annual Research Report
  • [Presentation] m面alnによるバンド端発光強度の増大2008

    • Author(s)
      谷保芳孝、嘉数誠
    • Organizer
      第55回応用物理学関係連合講演会
    • Place of Presentation
      日本大学、船橋
    • Year and Date
      2008-03-29
    • Related Report
      2009 Final Research Report
  • [Presentation] AlN deep-UV light-emitting diodes2007

    • Author(s)
      Y. Taniyasu, M. Kasu, T. Makimoto
    • Organizer
      18th European Conference on Diamond, Diamond-Like Materials, Carbon Nanotubes, and Nitrides (Diamond 2007)
    • Place of Presentation
      Maritim hotel, Berlin, Germany
    • Year and Date
      2007-09-13
    • Related Report
      2009 Final Research Report
  • [Presentation] AIN deep-UV light-emitting diodes2007

    • Author(s)
      Y.Taniyasu
    • Organizer
      18th European Conference on Diamond, Diamond-Like Materials, Carbon Nanotubes, andNitrides (Diamond 2007)
    • Place of Presentation
      Maritim hotel,Berlin,Germany
    • Year and Date
      2007-09-13
    • Related Report
      2007 Annual Research Report
  • [Presentation] 負の結晶場分裂エネルギーに起因したaln発光ダイオードの偏光特性2007

    • Author(s)
      谷保芳孝、嘉数誠、牧本俊樹
    • Organizer
      第68回応用物理学会学術講演会
    • Place of Presentation
      北海道工業大学、札幌
    • Year and Date
      2007-09-08
    • Related Report
      2009 Final Research Report
  • [Presentation] 負の結晶場分裂エネルギーに起因したAlN発光ダイオードの偏光特性2007

    • Author(s)
      谷保 芳孝
    • Organizer
      第68回応用物理学会学術講演会
    • Place of Presentation
      北海道工業大学、札幌
    • Year and Date
      2007-09-08
    • Related Report
      2007 Annual Research Report
  • [Presentation] aln:pnドーピングと遠紫外l ed2007

    • Author(s)
      谷保芳孝、嘉数誠、牧本俊樹
    • Organizer
      第26回電子材料シンポジウム
    • Place of Presentation
      ラフォーレ琵琶湖、大津
    • Year and Date
      2007-07-06
    • Related Report
      2009 Final Research Report
  • [Presentation] AlN:pnドーピングと遠紫外LED2007

    • Author(s)
      谷保 芳孝
    • Organizer
      第26回電子材料シンポジウム
    • Place of Presentation
      ラフォーレ琵琶湖、大津
    • Year and Date
      2007-07-06
    • Related Report
      2007 Annual Research Report
  • [Presentation] aln深紫外ledの現状と展望2007

    • Author(s)
      谷保芳孝、嘉数誠、牧本俊樹
    • Organizer
      応用物理学会関西支部主催セミナー「窒化物半導体のフロンティア」
    • Place of Presentation
      グランキューブ大阪/大阪国際会議場、大阪
    • Year and Date
      2007-06-18
    • Related Report
      2009 Final Research Report
  • [Presentation] AlN深紫外LEDの現状と展望2007

    • Author(s)
      谷保 芳孝
    • Organizer
      応用物理学会関西支部主催セミナー「窒化物半導体のフロンティア」
    • Place of Presentation
      グランキューブ大阪/大阪国際会議場、大阪
    • Year and Date
      2007-06-18
    • Related Report
      2007 Annual Research Report
  • [Presentation] Deep-UV light emitting diodes by MOVPE2007

    • Author(s)
      Y. Taniyasu, M. Kasu, T. Makimoto
    • Organizer
      European Workshop on Metal Organic Vapor Phase Epitaxy (EW-MOVPE)
    • Place of Presentation
      SUZU hotel, Bratislava, Slovakia
    • Year and Date
      2007-06-05
    • Related Report
      2009 Final Research Report
  • [Presentation] Deep-UV light emitting diodes by MOVPE2007

    • Author(s)
      Y.Taniyasu
    • Organizer
      European Workshop on Metal Organic Vapor PhaseEpitaxy(EW-MOVPE)
    • Place of Presentation
      SUZU hotel,Bratislava,Slovakia
    • Year and Date
      2007-06-05
    • Related Report
      2007 Annual Research Report
  • [Presentation] AlN deep-ultraviolet light-emitting diodes2007

    • Author(s)
      Y. Taniyasu, M. Kasu, T. Makimoto
    • Organizer
      14th Semiconducting and Insulating Materials Conferences (SIMC XIV)
    • Place of Presentation
      University of Arkansas, Arkansas, USA
    • Year and Date
      2007-05-18
    • Related Report
      2009 Final Research Report
  • [Presentation] AIN deep-ultraviolet light-emitting diodes2007

    • Author(s)
      Y.Taniyasu
    • Organizer
      14th Semiconducting and Insulating MaterialsConferences(SIMC XIV)
    • Place of Presentation
      University of Arkansas,Arkansas,USA
    • Year and Date
      2007-05-18
    • Related Report
      2007 Annual Research Report
  • [Book] 紫外LED(平成21年度光技術動向調査報告書, 第1.5.1節)2010

    • Author(s)
      谷保芳孝
    • Publisher
      財団法人光産業技術振興協会
    • Related Report
      2009 Final Research Report
  • [Book] 平成21年度光技術動向調査報告書 第1.5.1節 紫外LED2010

    • Author(s)
      谷保芳孝
    • Total Pages
      4
    • Publisher
      財団法人光産業技術振興協会
    • Related Report
      2009 Annual Research Report
  • [Remarks] 報道発表2008年1月25日掲載、日経産業新聞(8面)、「紫外線led発光強度6倍」

    • Related Report
      2009 Final Research Report
  • [Remarks] 表彰受賞者:Yoshitaka Taniyasu表彰名称:Young Scientist Award表彰業績名:For outstanding contributionsin developing and implementing AluminumNitride deep-ultraviolet light-emittingdiodes表彰主催団体名: Semiconducting andInsulating Materials Conferences (SIMCXIV)表彰年月日:平成19年5月17日

    • Related Report
      2009 Final Research Report
  • [Remarks]

    • URL

      http://www.brl.ntt.co.jp/people/taniyasu/

    • Related Report
      2009 Final Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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