Photoreflectance Study of InGaAs/GaAs Single Quantum Wells
InGaAs/GaAs单量子阱的光反射研究
基本信息
- 批准号:8913321
- 负责人:
- 金额:$ 5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:1989
- 资助国家:美国
- 起止时间:1989-10-01 至 1991-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
In order to gain more information about the band offset in the strained layer InxGa1-xAs/GaAs system we propose a detailed systematic study of the photoreflectance spectra from a series of well characterized single quantum well structures with different physical parameters, i.e., well width, strain and In composition (x). In single quantum wells additional information about band offsets can be obtained since light-hole transitions will only be observed when the conduction band offset, Qc~0.5. This is a collaborative effort between Brooklyn College and ETDL, Ft. Monmouth. Photoreflectance measurements will be carried out at Brooklyn College. The heterostructures will be fabricated by molecular beam epitaxy at ETDL, Ft. Monmouth. In addition certain characterization procedures such as high- resolution transmission electron microscopy (TEM) to determine well width and Raman scattering to evaluate x and e will be carried out at Ft. Monmouth. To date there has been little systematic work on well characterized samples of this system.
为了获得更多关于频带偏移的信息, 在应变层InxGa_(1-x)As/GaAs系统中, 对光反射系数的详细系统研究 从一系列良好表征的单 具有不同物理性质的量子阱结构 参数,即,阱宽、应变和In组分(x)。 在单量子威尔斯中, 由于光空穴跃迁, 将仅在导带偏移时观察到, Qc~0.5。 这是布鲁克林和布鲁克林之间的合作 大学和ETDL,英尺。蒙茅斯。 光调制 测量将在布鲁克林学院进行。 异质结构将通过分子组装来制造。 电子束外延在ETDL,英尺。蒙茅斯。 此外 某些表征程序,例如高- 透射电子显微镜(TEM) 确定阱宽和拉曼散射以评估 x和e将在Ft进行。蒙茅斯。 迄今 关于油井的系统性研究很少, 该系统的特征样本。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Fred Pollak其他文献
Fred Pollak的其他文献
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{{ truncateString('Fred Pollak', 18)}}的其他基金
Modulation Spectroscopy for the Characterization/ Qualification of Semiconductor Device Structures
用于表征/鉴定半导体器件结构的调制光谱
- 批准号:
9414209 - 财政年份:1995
- 资助金额:
$ 5万 - 项目类别:
Continuing Grant
Contactless Electromodulation for the In-Situ Study and Characterization of Semiconductor Growth/Processing
用于半导体生长/加工的原位研究和表征的非接触式电调制
- 批准号:
9120363 - 财政年份:1992
- 资助金额:
$ 5万 - 项目类别:
Continuing Grant
International Conference on Modulation Spectroscopy, March 17-21, 1990, San Diego, California
国际调制光谱会议,1990 年 3 月 17-21 日,加利福尼亚州圣地亚哥
- 批准号:
8915116 - 财政年份:1990
- 资助金额:
$ 5万 - 项目类别:
Standard Grant
RUI: Electromodulation Study of Coupling Between Double andMultiple Quantum Wells
RUI:双量子阱和多量子阱耦合的电调制研究
- 批准号:
8803226 - 财政年份:1988
- 资助金额:
$ 5万 - 项目类别:
Standard Grant
Expedited Award for Novel Research: Electromodulation In- vestigation of Semiconductor Superlattices, Quantum Well and Heterojunctions
新颖研究加急奖:半导体超晶格、量子阱和异质结的电调制研究
- 批准号:
8612164 - 财政年份:1986
- 资助金额:
$ 5万 - 项目类别:
Standard Grant
Piezo-Spectroscopic Investigation of Bands and Bonds in Solids
固体中能带和键的压电光谱研究
- 批准号:
7803030 - 财政年份:1978
- 资助金额:
$ 5万 - 项目类别:
Standard Grant
Piezo-Spectroscopic Investigation of the Bond Interactions Between Atoms
原子间键相互作用的压电光谱研究
- 批准号:
7518936 - 财政年份:1975
- 资助金额:
$ 5万 - 项目类别:
Standard Grant
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