Cubic Nitride Semiconductor Heterostructures and Their Application to Optical and Electronic Devices
立方氮化物半导体异质结构及其在光学和电子器件中的应用
基本信息
- 批准号:12555002
- 负责人:
- 金额:$ 8.51万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:2000
- 资助国家:日本
- 起止时间:2000 至 2003
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This research project has demonstrated the feasibility of practical device application of cubic phase nitride semiconductors and heterostructures. As for the GaN thin films on GaAs substrates, high quality cubic GaN epitaxial films that contains hexagonal GaN less than 1 % have been attained by improvement of metal-organic vapor phase epitaxy (MOVPE) growth technique including adoption of GaN intermediate layers and arsenic overpressures in the growth process. High quality cubic GaN films showed a highly luminescent optical property without deep-level luminescence coming from crystal defects. Microscopic structural analyses revealed the details of hexagonal phase generation in cubic GaN films. Si doping has been successful to realize high-conductivity n-type electrical conduction. Selective-area growth of cubic GaN films using fine lithography stripe mask patterns has given a superior quality cubic GaN when the stripe orientation is along the proper crystal orientation. Detailed characterization of cubic GaN/GaAs heterointerface using photoconductivity and electroreflectance clarified the existence of parallel conduction path due to the specific band-line up of the heterostructure. Molecular-beam epitaxy (MBE) using rf-plasma nitrogen source gave cubic GaN and InN films on GaAs with comparable quality with MOVPE-grown films. These achievements shows a possibility of practical applications of cubic nitride semiconductors.
本研究计画已证实立方相氮化物半导体及异质结构在实际元件应用上的可行性。对于GaAs衬底上的GaN薄膜,通过改进金属有机物气相外延(MOVPE)生长技术,包括采用GaN中间层和在生长过程中引入砷超压,获得了六方GaN含量小于1%的高质量立方GaN外延薄膜。高质量的立方GaN薄膜显示出高的发光光学性能,没有来自晶体缺陷的深能级发光。微观结构分析揭示了立方GaN薄膜中六方相产生的细节。Si掺杂已经成功地实现了高导电率的n型导电。当条纹取向沿着适当的晶体取向时,使用精细光刻条纹掩模图案的立方GaN膜的选择性区域生长给出了上级质量的立方GaN。立方GaN/GaAs异质界面的光电导和电反射的详细表征澄清了平行的导电路径的存在,由于特定的带线的异质结构。使用射频等离子体氮源的分子束外延(MBE)在GaAs上得到了立方GaN和InN薄膜,其质量与MOVPE生长的薄膜相当。这些结果显示了立方氮化物半导体实际应用的可能性。
项目成果
期刊论文数量(68)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
R.Katayama, M.Kuroda, K.Onabe, Y.Shiraki: "Electrically biased photorefectance study of cubic GaN/GaAs(001) heterointerface"phys.scat.sol.(c). 0(7). 2597-2601 (2003)
R.Katayama、M.Kuroda、K.Onabe、Y.Shiraki:“立方 GaN/GaAs(001) 异质界面的电偏光反射研究”phys.scat.sol.(c)。
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- 影响因子:0
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J.Wu: "Effect of an Intermediate Layer on Cubic GaN Grown on GaAs (100): Substrate Protection and Strain Relaxation"IPAP Conf.Series. 1. 85-88 (2000)
J.Wu:“中间层对在 GaAs (100) 上生长的立方 GaN 的影响:衬底保护和应变松弛”IPAP Conf.系列。
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- 影响因子:0
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A.Nishikawa: "MBE Growth and Photoreflectance Study of GaAsN Alloy Films Grown on GaAs (001)"Journal of Crystal Growth. Vol.251,No.1-4. 427-431 (2003)
A.Nishikawa:“GaAs (001) 上生长的 GaAsN 合金薄膜的 MBE 生长和光反射研究”晶体生长杂志。
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K.Onabe: "Cubic-GaN Films on GaAs (001) Substrates without Deep-Level Luminescence Grown by Metalorganic Vapor Phase Epitaxy"phys.stat.sol.(a). 180(1). 15-19 (2000)
K.Onabe:“通过金属有机气相外延生长的 GaAs (001) 衬底上的立方氮化镓薄膜,无深能级发光”phys.stat.sol.(a)。
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- 影响因子:0
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S.Sanorpim: "Detection and Analysis of Hexagonal Phase Generation in Selective Area Growth of Cubic GaN by Low-Pressure Metalorganic Vapor Phase Epitaxy"IPAP Conf.Series. 1. 89-92 (2000)
S.Sanorpim:“低压金属有机气相外延选择性区域生长立方氮化镓中六方相生成的检测和分析”IPAP Conf.系列。
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{{ truncateString('ONABE Kentaro', 18)}}的其他基金
Growth of high phase purity cubic III-nitride semiconductor thin films and application of their heterostructures
高相纯度立方III族氮化物半导体薄膜的生长及其异质结构应用
- 批准号:
22360005 - 财政年份:2010
- 资助金额:
$ 8.51万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Growth and material applications of narrow-bandgap III-V-N alloy semiconductor quantum nano-structures
窄带隙III-V-N合金半导体量子纳米结构的生长及材料应用
- 批准号:
19360003 - 财政年份:2007
- 资助金额:
$ 8.51万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Huge Bandgap-Bowing Effect in III-V-N Type Nitride Alloy Semiconductors and its Applications
III-V-N型氮化物合金半导体的巨大带隙弯曲效应及其应用
- 批准号:
11450003 - 财政年份:1999
- 资助金额:
$ 8.51万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
STUDY ON GROWTH AND MATERIAL PROPERTIES OF METASTABLE NITRIDE ALLOY SEMICONDUCTORS
亚稳态氮化物合金半导体的生长及材料性能研究
- 批准号:
06452107 - 财政年份:1994
- 资助金额:
$ 8.51万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Study on Atomic Layer Epitaxy of Wide-Gap Compound Semiconductors by Metalorganic Vapor Phase Growth
金属有机气相生长宽禁带化合物半导体原子层外延研究
- 批准号:
01460071 - 财政年份:1989
- 资助金额:
$ 8.51万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)