JP2002198562A5 - - Google Patents

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JP2002198562A5
JP2002198562A5 JP2000398312A JP2000398312A JP2002198562A5 JP 2002198562 A5 JP2002198562 A5 JP 2002198562A5 JP 2000398312 A JP2000398312 A JP 2000398312A JP 2000398312 A JP2000398312 A JP 2000398312A JP 2002198562 A5 JP2002198562 A5 JP 2002198562A5
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Japan
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light emitting
nitride semiconductor
semiconductor light
layer
group iii
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JP2000398312A
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JP2002198562A (en
JP4633251B2 (en
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【特許請求の範囲】
【請求項1】 シリコン単結晶基板の上に積層された、一般式AlGaIn1‐a‐b1‐c(但し、0≦a,b,a+b≦1、Mは窒素以外の第V族元素を表わし、0<c≦1)で表記されるIII族窒化物層から構成されている、pn接合型のダブルヘテロ接合構造の発光部を備えたIII族窒化物半導体発光素子であって、前記シリコン単結晶基板と前記の発光部との間にリン化硼素結晶層と窒化リン化ガリウム結晶層とを交互に積層した多層積層構造の反射層を備えていることを特徴とすIII族窒化物半導体発光ダイオード。
【請求項2】 前記多層積層構造を構成するリン化硼素結晶層及び窒化リン化ガリウム結晶層のキャリア濃度が、1×1017原子cm‐3以上5×1019原子cm‐3以下であることを特徴とする請求項1に記載のIII族窒化物半導体発光ダイオード。
【請求項3】 前記多層積層構造を構成する窒化リン化ガリウム結晶層のリン組成比が2原子%以上4原子%以下であることを特徴とする請求項1または請求項2に記載のIII族窒化物半導体発光ダイオード。
【請求項4】 前記多層積層構造の積層の周期数が2以上であることを特徴とする請求項1ないし請求項3のいずれか一項に記載のIII族窒化物半導体発光ダイオード。
【請求項5】 前記多層積層構造の積層の周期数が7以上であることを特徴とする請求項4に記載のIII族窒化物半導体発光ダイオード。
【請求項6】 シリコン単結晶基板の表面が{111}結晶面であることを特徴とする請求項1ないし請求項5のいずれか一項に記載のIII族窒化物半導体発光ダイオード。
【請求項7】 シリコン単結晶基板と多層積層構造との間に、緩衝層を介在させたことを特徴とする請求項1ないし請求項6のいずれか一項に記載のIII族窒化物半導体発光ダイオード。
【請求項8】 前記多層積層構造を有機金属化学気相堆積法で形成することを特徴とする請求項1ないし請求項7のいずれか一項に記載のIII族窒化物半導体発光ダイオードの製造方法。
[Claims]
1. The general formula Al a Ga b In 1-ab N c M 1-c laminated on a silicon single crystal substrate (where 0 ≦ a, b, a + b ≦ 1, M is nitrogen. Group III nitride semiconductor light emitting part having a pn junction type double heterojunction structure, which represents a group V element other than the above and is composed of a group III nitride layer represented by 0 <c ≦ 1). The element is characterized by having a reflective layer having a multi-layered laminated structure in which a boron phosphate crystal layer and a gallium phosphide crystal layer are alternately laminated between the silicon single crystal substrate and the light emitting portion. and to that group III nitride semiconductor light emitting diode.
2. The carrier concentration of the boron phosphate crystal layer and the gallium phosphide crystal layer constituting the multilayer laminated structure is 1 × 10 17 atomic cm -3 or more and 5 × 10 19 atom cm -3 or less. The group III nitride semiconductor light emitting diode according to claim 1.
3. The group III according to claim 1 or 2, wherein the phosphorus composition ratio of the gallium phosphide crystal layer constituting the multilayer laminated structure is 2 atomic% or more and 4 atomic% or less. Nitride semiconductor light emitting diode.
Wherein said multilayer laminated structure III-nitride semiconductor light emitting diode according to any one of claims 1 to 3 number of periods of lamination, characterized in that at least two.
5. The group III nitride semiconductor light emitting diode according to claim 4, wherein the number of layers of the multilayer laminated structure is 7 or more.
6. A silicon single crystal surface of the substrate according to any one of claims 1 to 5, wherein the {111} is a crystal plane III-nitride semiconductor light emitting diode.
7. The group III nitride semiconductor light emitting according to any one of claims 1 to 6, wherein a buffer layer is interposed between the silicon single crystal substrate and the multilayer laminated structure. diode.
8. The method for producing a group III nitride semiconductor light emitting diode according to any one of claims 1 to 7, wherein the multilayer laminated structure is formed by an organometallic chemical vapor phase deposition method. ..

クラッド層の禁制帯幅を発光層の禁制帯幅よりも大きくし、発光層に注入された電子の閉じ込め効果を高めるようにする。また、発光層の厚さは通常5〜30nmとし、クラッド層の厚さはそれよりも厚い100〜800nmに形成する。 The forbidden bandgap of the clad layer is made larger than the forbidden bandgap of the light emitting layer so as to enhance the effect of confining the electrons injected into the light emitting layer. The thickness of the light emitting layer is usually 5 to 30 nm, and the thickness of the clad layer is 100 to 800 nm, which is thicker than that.

JP2000398312A 2000-12-27 2000-12-27 Group III nitride semiconductor light-emitting diode and method for manufacturing the same Expired - Fee Related JP4633251B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000398312A JP4633251B2 (en) 2000-12-27 2000-12-27 Group III nitride semiconductor light-emitting diode and method for manufacturing the same

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Application Number Priority Date Filing Date Title
JP2000398312A JP4633251B2 (en) 2000-12-27 2000-12-27 Group III nitride semiconductor light-emitting diode and method for manufacturing the same

Publications (3)

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JP2002198562A JP2002198562A (en) 2002-07-12
JP2002198562A5 true JP2002198562A5 (en) 2008-02-14
JP4633251B2 JP4633251B2 (en) 2011-02-16

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004056010A (en) 2002-07-23 2004-02-19 Toyota Central Res & Dev Lab Inc Nitride semiconductor light emitting device
JP2008182110A (en) 2007-01-25 2008-08-07 Matsushita Electric Ind Co Ltd Nitride semiconductor light-emitting device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2809690B2 (en) * 1989-01-13 1998-10-15 株式会社東芝 Compound semiconductor material, semiconductor device using the same, and method of manufacturing the same
JP3505357B2 (en) * 1997-07-16 2004-03-08 株式会社東芝 Gallium nitride based semiconductor device and method of manufacturing the same
JP3747125B2 (en) * 1998-03-10 2006-02-22 昭和電工株式会社 Epitaxial wafers and compound semiconductor devices
JPH10242515A (en) * 1998-04-06 1998-09-11 Toshiba Corp Semiconductor blue color light emitting device
JP3372483B2 (en) * 1998-06-03 2003-02-04 一高 寺嶋 Group III nitride semiconductor light emitting device

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