JP2005526384A5 - - Google Patents

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JP2005526384A5
JP2005526384A5 JP2003581267A JP2003581267A JP2005526384A5 JP 2005526384 A5 JP2005526384 A5 JP 2005526384A5 JP 2003581267 A JP2003581267 A JP 2003581267A JP 2003581267 A JP2003581267 A JP 2003581267A JP 2005526384 A5 JP2005526384 A5 JP 2005526384A5
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layer
device structure
microelectronic device
delta
band gap
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JP2005526384A (ja
JP4916090B2 (ja
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  1. そのバリア層内にデルタドーピング層を有する高電子移動度トランジスタ(HEMT)を含む、III−V族窒化物超小型電子デバイス構造であって、
    (1)前記バリア層は、前記デルタドーピング層を有することを除いて実質的に均質であること、および
    (2)前記バリア層は、隣接する小さなバンドギャップ材料と比較して大きなバンドギャップを有する材料を含み、該大きなバンドギャップ材料および小さなバンドギャップ材料は、両者間の界面に沿ってチャネルを形成するように組み合わさって配置されること
    のうち、少なくとも一方を特徴とする、デバイス構造。
  2. 前記バリア層は、前記デルタドーピング層を含むことを除いて実質的に均質である、請求項1に記載の超小型電子デバイス構造。
  3. 前記バリア層は、隣接する小さなバンドギャップ材料と比較して大きなバンドギャップを有する材料を含み、該大きなバンドギャップ材料および小さなバンドギャップ材料は、両者間の界面に沿ってチャネルを形成するように組み合わさって配置される、請求項1に記載の超小型電子デバイス構造。
  4. 前記バリア層は、非ドープIII−V族窒化物を含む、請求項1に記載の超小型電子デバイス構造。
  5. 前記バリア層は、非ドープAlGaNを含む、請求項に記載の超小型電子デバイス構造。
  6. 前記バリア層は、非ドープGaNを含む、請求項2に記載の超小型電子デバイス構造。
  7. 前記デルタドープ層は、Si、Ge、Mg、C、O、Ca、Zn、Li、Mn、Na、K、Cd、Rb、Sr、ScおよびBeからなる群から選択された少なくとも1つのドーパント種を含む、請求項1に記載の超小型電子デバイス構造。
  8. 前記高電子移動度トランジスタは、AlGaN/GaN高電子移動度トランジスタである、請求項1に記載の超小型電子デバイス構造。
  9. 前記デルタドープ層は、前記AlGaN/GaN高電子移動度トランジスタの前記バリア層内で、前記デルタドープ層とチャネル層とが前記デバイス構造の動作における電荷キャリアのトンネル距離未満の距離だけ離間するような前記トランジスタの前記チャネル層に対する位置に配置される、請求項に記載の超小型電子デバイス構造。
  10. 前記デルタドーピング層内のドーパントは、シリコンである、請求項に記載の超小型電子デバイス構造。
  11. サファイア基板と、該基板上のAlNバッファ層と、該AlNバッファ層上のGaN層と、該GaN層上のAlGaN層とを含み、該AlGaN層が内部にデルタドープ層を有し、かつ、該AlGaN層は、前記デルタドーピング層を有することを除いて実質的に均質である、HEMTデバイス。
  12. 前記デルタドープ層は、Si、Ge、Mg、C、O、Ca、Zn、Li、Mn、Na、K、Cd、Rd、Sr、ScおよびBeからなる群から選択されたドーパントを含む、請求項11に記載のHEMTデバイス。
  13. 前記デルタドープ層は、シリコンドーパントを含む、請求項11に記載のHEMTデバイス。
JP2003581267A 2002-03-25 2003-03-19 ドープiii−v族窒化物材料、ならびにそれを含む超小型電子デバイスおよびデバイス前駆体構造 Expired - Lifetime JP4916090B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/107,001 2002-03-25
US10/107,001 US7919791B2 (en) 2002-03-25 2002-03-25 Doped group III-V nitride materials, and microelectronic devices and device precursor structures comprising same
PCT/US2003/008355 WO2003083950A1 (en) 2002-03-25 2003-03-19 Doped group iii-v nitride materials, and microelectronic devices and device precursor structures comprising same

Publications (3)

Publication Number Publication Date
JP2005526384A JP2005526384A (ja) 2005-09-02
JP2005526384A5 true JP2005526384A5 (ja) 2008-05-22
JP4916090B2 JP4916090B2 (ja) 2012-04-11

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JP2003581267A Expired - Lifetime JP4916090B2 (ja) 2002-03-25 2003-03-19 ドープiii−v族窒化物材料、ならびにそれを含む超小型電子デバイスおよびデバイス前駆体構造

Country Status (9)

Country Link
US (1) US7919791B2 (ja)
EP (1) EP1488460B1 (ja)
JP (1) JP4916090B2 (ja)
KR (1) KR20040104959A (ja)
CN (1) CN100375292C (ja)
AU (1) AU2003224709A1 (ja)
CA (1) CA2479657A1 (ja)
TW (1) TW200306016A (ja)
WO (1) WO2003083950A1 (ja)

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