JP2008543087A5 - - Google Patents

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JP2008543087A5
JP2008543087A5 JP2008514783A JP2008514783A JP2008543087A5 JP 2008543087 A5 JP2008543087 A5 JP 2008543087A5 JP 2008514783 A JP2008514783 A JP 2008514783A JP 2008514783 A JP2008514783 A JP 2008514783A JP 2008543087 A5 JP2008543087 A5 JP 2008543087A5
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substrate
growing
nitride
nonpolar
nucleation layer
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Priority claimed from PCT/US2006/020995 external-priority patent/WO2006130622A2/en
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Description

高品質のGaNを得るために最適なAlN核形成層は核形成層の厚さ150nm以下のとき、1,175℃以上の温度、比較的低い圧力、及び3,500以下のV/III比にて実現された。
出来上がったm面GaN材料の5μm×5μmの原子力間顕微鏡(AFM)表面像を図4に示す。結晶粒は<11−20>の方向に沿っていて、表面凹凸値(自乗平均根)は5μm×5μmの捜査範囲で2.54nm以下であった。

Claims (18)

  1. (a)無極性{1−100}m面III 族窒化物を適当な基板上に有機金属化学気相成膜法(MOCVD)を用いて成長する工程を含むことを特徴とする、平坦な無極性m面III 族窒化物のエピタキシャル薄膜を成長する方法。
  2. 前記基板はm−炭化珪素(SiC)基板を含むことを特徴とする、請求項1に記載の方法。
  3. 前記無極性m面III 族窒化物はm面窒化ガリウム(GaN)を含むことを特徴とする、請求項1に記載の方法。
  4. 前記成長工程の前に、前記基板表面から酸化物を除去するために前記基板を溶剤で洗浄し、酸に浸漬する工程を更に含むことを特徴とする、請求項1に記載の方法。
  5. 前記成長工程の前に、前記基板を熱処理する工程を更に含むことを特徴とする、請求項1に記載の方法。
  6. 前記基板上に核形成層を成長する工程と、前記核形成層上に前記無極性m面III 族窒化物を成長する工程をさらに含むことを特徴とする、請求項1に記載の方法。
  7. 前記核形成層は窒化アルミニウム(AlN)を含むことを特徴とする、請求項に記載の方法。
  8. (1)前記基板を熱処理する工程と、
    (2)前記熱処理工程の後に、前記基板上に核形成層を成長する工程、および
    (3)前記核形成層上に前記無極性m面III 族窒化物を成長する工程
    を更に含むことを特徴とする、請求項1に記載の方法。
  9. 前記無極性m面III 族窒化物が平坦なエピタキシャル層であることを特徴とする、請求項1に記載の方法。
  10. 請求項1に記載の方法を用いて作られるデバイス、ウェーハ、基板、或いはテンプレート。
  11. (a)適当な基板上に有機金属化学気相成長法(MOCVD)を用いて無極性m面III 族窒化物を成長する工程を含むことを特徴とし、
    (1)前記基板表面から酸化膜を除去するために前記基板を溶剤で洗浄し、酸に浸漬する工程と、
    (2)前記溶剤で洗浄し酸に浸漬する工程の後に、前記基板を熱処理する工程と、
    (3)前記熱処理工程後に前記基板上に核形成層を成長する工程と、
    (4)前記核形成層上に前記無極性m面III 族窒化物の平坦なエピタキシャル層を成長する工程
    を含む、平坦な無極性m面III 族窒化物のエピタキシャル薄膜を成長する方法。
  12. 適当な基板上に有機金属化学気相成長法(MOCVD)を用いて無極性m面III 族窒化物の薄膜を成長する工程を含むことを特徴とする、無極性m面III 族窒化物の薄膜を成長する方法。
  13. 前記基板は、m−SiC、m−GaN、LiGaO 2 、またはLiAlO 2 基板を含むことを特徴とする、請求項12に記載の方法。
  14. 前記無極性m面III 族窒化物の薄膜は、GaN、AlN、AlGaNまたはInGaNを含むことを特徴とする、請求項12に記載の方法。
  15. 前記基板上に核形成層を成長する工程と、前記核形成層上に前記無極性m面III 族窒化物の薄膜を成長する工程をさらに含むこと特徴とする、請求項12に記載の方法。
  16. 前記核形成層は窒化アルミニウム(AlN)を含むことを特徴とする、請求項12に記載の方法。
  17. (1)前記基板表面から酸化膜を除去するために前記基板を溶剤で洗浄し、酸に浸漬する工程と、
    (2)前記溶剤で洗浄し酸に浸漬する工程の後に、前記基板を熱処理する工程と、
    (3)前記熱処理工程後に前記基板上に核形成層を成長する工程と、
    (4)前記核形成層上に前記無極性m面III 族窒化物のエピタキシャル層を成長する工程
    を含むことを特徴とする、請求項12に記載の方法。
  18. 請求項12に記載の方法を用いて作られるデバイス、ウェーハ、基板或いはテンプレート。
JP2008514783A 2005-05-31 2006-05-31 有機金属化学気相成長法(MOCVD)による平坦な無極性{1−100}m面窒化ガリウムの成長方法及び装置 Pending JP2008543087A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US68590805P 2005-05-31 2005-05-31
PCT/US2006/020995 WO2006130622A2 (en) 2005-05-31 2006-05-31 Growth of planar non-polar{1-1 0 0} m-plane gallium nitride with metalorganic chemical vapor deposition (mocvd)

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JP2008543087A5 true JP2008543087A5 (ja) 2013-02-14

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JP2013246875A Pending JP2014099616A (ja) 2005-05-31 2013-11-29 有機金属化学気相成長法(MOCVD)による平坦な無極性{1−100}m面窒化ガリウムの成長方法及び装置

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US (3) US7338828B2 (ja)
EP (1) EP1897120A4 (ja)
JP (2) JP2008543087A (ja)
KR (2) KR20080014077A (ja)
TW (1) TWI377602B (ja)
WO (1) WO2006130622A2 (ja)

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