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青-紫外光域・雪崩増幅型半導体光検出素子(APD)の基礎研究

Research Project

Project/Area Number 12875005
Research Category

Grant-in-Aid for Exploratory Research

Allocation TypeSingle-year Grants
Research Field Applied materials science/Crystal engineering
Research InstitutionTottori University

Principal Investigator

安東 孝止  鳥取大学, 工学部, 教授 (60263480)

Co-Investigator(Kenkyū-buntansha) 阿部 友紀 (阿倍 友紀)  鳥取大学, 工学部, 助手 (20294340)
石井 晃  鳥取大学, 工学部, 助教授 (70183001)
Project Period (FY) 2000 – 2001
Project Status Completed (Fiscal Year 2001)
Budget Amount *help
¥2,200,000 (Direct Cost: ¥2,200,000)
Fiscal Year 2001: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 2000: ¥1,100,000 (Direct Cost: ¥1,100,000)
Keywords青-紫外線APD素子 / 短波長半導体光検出器 / ZnSe系半導体 / MBE成長 / 短波長半導体光検出素子
Research Abstract

ワイドバンドギヤップ化合物半導体(ZnSe-ZnSSe)による新短波長帯(青・近紫外線)での雪崩増倍型・半導体光検出器(APD)の開発を目的として、結晶成長技術(MBE成長)、APD素子構造の最適化、及び素子加工プロセスの検討を進めた。
今年度は、GaAs基板と格子整合が可能なZnSSe(S組成:6%)でのpin-APD素子開発を重点的に行い、以下のAPD特性と素子動作の安定性を検証した:
(1)i層を導入したことにより、非常に安定なアバランシェブレーク・ダウンをV_B=28〜30V(9〜10x10^5V/cm)領域で実現
(2)ウエットエッチングのメサ加工により逆方向暗電流を〜10nA/mm^2まで低減(ZnSe APDに比較して3桁低減)
(3)逆バイアス動作(V_B-29V:300K)で最高の光電流の利得(G)〜80を観測
(4)APD素子の最適構造設計の基礎となる電子・正孔のイオン化率(α,β)を決定
(5)APD動作のエージング試験において連続400時間以上の安定動作を確認
上記特性は、ZnSSe pin構造APD素子が新光波帯(青-近紫外線領)における実用素子としての大きなポテンシャルを有していることを実証した。

Report

(2 results)
  • 2001 Annual Research Report
  • 2000 Annual Research Report
  • Research Products

    (9 results)

All Other

All Publications (9 results)

  • [Publications] T.Abe, H.Yamada, N.Itano, T.Kusuhara, H.Kasada, K.Ando: "Widegap II-VI compound optical modulators of ZnSe/ZnMgSSe single and asymmetric-coupled quantum wells"phys. stat. sol. (b). 229・1/2. 1081-1084 (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] H.C.Lee, N.Kaneko, M.Watanabe, Y.Fujita, T.Abe, H.Ishikura, M.Adachi, H.Kasada, K.Ando: "High efficiency and long-lived green and blue light emitting diodes based on ZnSSe : Te active layer grown by molecular beam epitaxy"phys. stat. sol. (b). 229・1/2. 1043-1047 (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] M.Adachi, H.Yukitake, M.Watanabe, K.Koizumi, H.C.Lee, T.Abe.H Kasada, K.Ando: "Mechanism of slow-mode degradation in II-VI wide bandgap compound based blue-green laser diodes"phys. stat. sol. (b). 229・1/2. 1049-1053 (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] K.Ando, H.Ishikura, Y.Fukunaga, T.Abe, H.Kasada: "Highly efficient blue-ultraviolet photodetectors based on II-VI wide-bandgap compound semiconductors"phys. stat. sol. (b). 229・1/2. 1065-1071 (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] H.Ishikura, Y.Fukunaga, T.Kubota, M.Adachi T Abe, H Kasada, K.Ando: "Blue-violet Avalanche-photodiode (APD) and its ionization coefficients in II-VI wide bandgap compound grown by molecular beam epitaxy"phys. stat. sol. (b). 229・1/2. 1085-1088 (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] T,Abe,K.Ando et.al: "Demonstration of blue-ultraviolet avalanche-photo-diodes of II-VI widegap compound grown by MDE"J.Crystal.Growth. 214/215. 1134-1137 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] H.Ishikura,K.Ando et.al: "High quantum efficiency blue-ultraviolet ZnSe pin photo diode grown by MDE"J.Crystal.Growth. 214/215. 1130-1133 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] T.Abe,K.Ando et.al: "Optimization of ZnSe/ZnTe supperlative structured p-contact for ZnSe-based optical device"J.Crystal Growth. 214/215. 492-496 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] T.Abe,K.Anto: "Widegap II-VI Compound Optical Modulators of ZnSe/ZeMgSCe Asymmetric Coupled Quantum Wells"Proceedings of 2000 Conf.on Opto-electronic and Microelectronic Materials and Devices. (COMMAD2000). 12-12 (2000)

    • Related Report
      2000 Annual Research Report

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Published: 2000-04-01   Modified: 2016-04-21  

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