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Article
Raman Scattering Spectrum Along a Bevel Etched GaAs on Si, Tem Study and GaAs P-I-N Photodetector on Si
Raman scattering is measured along a bevel etched GaAs epitaxial film grown on Si by molecular beam epitaxial (MBE). From the correlation length profile of Raman scatteringmost dislocation lines are confined i...
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Article
Low Pressure Omcvd Growth of GaAs on InP for Fet and Quantum Well Laser Fabrication
Gallium arsenide epitaxial layers with excellent morphology have been grown by organometallic chemical vapor deposition (OMCVD) on (100) and 2-3° off (100) InP substrates by a modified two-step growth commonly...
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Article
Extended Pseudomorphic Limits Using Compliant Substrates
We propose a new approach, growth on compliant substrates, to achieve extended pseudomorphic limits. The compliant substrate can be approximately achieved with a corner supported membrane structure. Both therm...
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Article
Growing Pseudomorphic Layers Beyond the Critical Thickness using Free-Standing Compliant Substrates
We demonstrated the high quality growth of exceedingly thick pseudomorphic layers on free-standing, compliant substrates using InGaAs and GaAs materials. A 1% compressively strained InGaAs layer was grown on a...
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Article
Compliant Substrates With an Embedded Twist Boundary
In this article, we propose a new model to explain how heteroepitaxial layers grown on a twist-bonded thin layer may have a significantly reduced number of threading dislocations even if the strain in the epit...
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Article
Flow Modulation Epitaxial Lateral Overgrowth of Gallium Nitride on Masked 6H-Silicon Carbide and Sapphire Surfaces
Selective Area Flow Modulation Epitaxial growth of GaN is carried out in a low pressure Organometallic Vapor Phase Epitaxy reactor. This process is known to enhance reactant surface migration lengths on patter...
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Article
Characterization of Single-Crystal 3C-SIC Epitaxial Layers on SI Substrates
In this paper we discuss the growth and characterization of 3C-SiC epitaxial layers grown on both a Si substrate as well as on a novel substrate. The growth uses a typical three step process. First an etch of ...
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Article
Fabrication and Evaluation of Conducting Polymer Nanowire Heterostructures
Conducting polymer nanostructures such as nanofibers and nanotubes have potential uses in a variety of applications including electronic and photonic devices and sensors. Conducting polymers have also been use...
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Article
Selective activation of NFAT by promyelocytic leukemia protein
Promyelocytic leukemia (PML) protein is a tumor suppressor with complicated action mechanisms not yet fully understood. In this study, we found that the nuclear factor of activated T cell (NFAT) is an unexpect...
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Article
Polymer Microvalve Based on Anisotropic Expansion of Polypyrrole
An actuator fabricated from the conductive polymer polypyrrole using microfabrication techniques is presented. This actuator utilizes the anisotropic volume change, which occurs under application of an electri...
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Article
The Ron receptor tyrosine kinase activates c-Abl to promote cell proliferation through tyrosine phosphorylation of PCNA in breast cancer
Multiple growth pathways lead to enhanced proliferation in malignant cells. However, how the core machinery of DNA replication is regulated by growth signaling remains largely unclear. The sliding clamp prolif...