JP2014090169A5 - - Google Patents

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JP2014090169A5
JP2014090169A5 JP2013215853A JP2013215853A JP2014090169A5 JP 2014090169 A5 JP2014090169 A5 JP 2014090169A5 JP 2013215853 A JP2013215853 A JP 2013215853A JP 2013215853 A JP2013215853 A JP 2013215853A JP 2014090169 A5 JP2014090169 A5 JP 2014090169A5
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ingan
template
substrate
epitaxial layer
crystal
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  1. 発光デバイスを作る方法であって、
    −c面の約5度以内の結晶学的配向を有する第1基板であって、該第1基板は10 cm −2 を下回る転移密度を有するウルツ型GaNの上表面を有する、第1基板を提供するステップ;
    ハイドライド気相成長法によって該上表面上に直接、選択されたInN組成を有するInGaNエピタキシャル層を成長させることによってInGaNテンプレートを作成するステップであって、前記InGaNエピタキシャル層は4μmを超える厚さを有し、及び、モル分率0.5%を超えるInNを含み、該InGaNエピタキシャル層は歪みが緩和されており、特定のインジウム含有窒化物組成について、各々の平衡格子定数の0.1%以内のa軸格子定数及びc軸格子定数を有する、ステップ;及び
    該InGaNテンプレート及び該InGaNテンプレートの誘導物から選択される一の第2基板の上に光電子デバイス構造を成長させるステップ;
    を含む方法。
  2. 該選択されたInN組成を有する該InGaN層を該第1基板から分離して、独立したInGaN結晶を形成するステップをさらに含む、請求項1記載の方法。
  3. 該独立したInGaN結晶をバルク結晶成長の種として用いるステップをさらに含む、請求項2記載の方法。
  4. 該InGaNエピタキシャル層が、逆格子空間マップ内の単一の(−1−14)X線回折ピークにより特徴付けられる、請求項1記載の方法。
  5. 該InGaNテンプレートの該誘導物が、該InGaNテンプレートから形成される、独立したInGaN結晶又はウェーハである、請求項1記載の方法。
  6. 該InGaNテンプレートの該誘導物が、該InGaNテンプレート又はその一部がバルク結晶成長の種として使用されるプロセスから形成される、独立したInGaN結晶又はウェーハから選択される、請求項1記載の方法。
  7. 前記第1基板が実質的にバルクGaNからなる、請求項1記載の方法。
  8. 発光デバイスを作る方法であって、
    サファイア、炭化ケイ素、シリコン又はScAlMgO の少なくとも一つを含み及び上表面を有する第1基板を提供するステップ;
    ハイドライド気相成長法によって該上表面上に直接、−c面の約5度以内の結晶学的配向を有し、及び選択されたInN組成を有するInGaNエピタキシャル層を成長させることによってInGaNテンプレートを作成するステップであって、前記InGaNエピタキシャル層は4μmを超える厚さを有し、及び、モル分率0.5%を超えるInNを含み、該InGaNエピタキシャル層は歪みが緩和されており、特定のインジウム含有窒化物組成について、各々の平衡格子定数の0.1%以内のa軸格子定数及びc軸格子定数を有する、ステップ;及び
    該InGaNテンプレート及び該InGaNテンプレートの誘導物から選択される一の第2基板の上に光電子デバイス構造を成長させるステップ;
    を含む方法。
  9. 該選択されたInN組成を有する該InGaN層を該第1基板から分離して、独立したInGaN結晶を形成するステップをさらに含む、請求項8記載の方法。
  10. 該InGaNエピタキシャル層が、逆格子空間マップ内の単一の(−1−14)X線回折ピークにより特徴付けられる、請求項8記載の方法。
  11. 該InGaNテンプレートの該誘導物が、該InGaNテンプレートから形成される、独立したInGaN結晶又はウェーハである、請求項8記載の方法。
  12. 該InGaNテンプレートの該誘導物が、該InGaNテンプレート又はその一部がバルク結晶成長の種として使用されるプロセスから形成される、独立したInGaN結晶又はウェーハから選択される、請求項8記載の方法。
  13. 該ハイドライド気相成長法が、GaCl 及びInCl を前駆体として使用することを含む、請求項1記載の方法。
  14. 該ハイドライド気相成長法が、GaCl 及びInCl を前駆体として使用することを含む、請求項8記載の方法。
  15. 該上表面がウルツ型GaNを含む、請求項8記載の方法。
JP2013215853A 2012-10-16 2013-10-16 窒化インジウムガリウム発光デバイス Pending JP2014090169A (ja)

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US201261714693P 2012-10-16 2012-10-16
US61/714,693 2012-10-16

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JP2014090169A5 true JP2014090169A5 (ja) 2016-12-28

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