نتایج جستجو برای: inp material

تعداد نتایج: 367987  

2014
Salam Massadeh Thomas Nann Ian Wark

This article reports on a study on fluorescence adenosine triphosphate (ATP) detection by InP/ZnS quantum dots (QDs). We present a spectroscopic analysis displaying the effect of enzymatic reactions of glucose oxidase (GOX) and hexokinase (HEX) on the InP/ZnS quantum dots at physiological pH. The InP/ZnS quantum dots act as glucose sensors in the presence of GOX, Glu and ATP, and their luminesc...

2009
K. Ghorbani

Introduction: Millimetre-wave fibre wireless applications [1] could profit from a small antenna that can be fully integrated with the microwave and optical components of the system. This can lead to smaller and more cost-effective fibre-fed antenna units. Active integrated antennas [2] are another application that could benefit from a directly integrated antenna. Printed antennas are the obviou...

Journal: :Chest 2002
Jean-Charles Glérant Vincent Jounieaux Veronica F Parreira Myriam Dury Geneviève Aubert Daniel O Rodenstein

RATIONALE Previous studies have shown that an increase in inspiratory pressure during nasal intermittent positive pressure ventilation (IPPV) does not result in increased effective minute ventilation (E) due to glottic interference. STUDY OBJECTIVES To test the consequences of increases in negative pressure ventilation (NPV) on V(E). MATERIAL AND METHODS Eight healthy awake subjects underwe...

2009
Qiao Xiang

Cyber-physical systems (CPS) are expected to transform how people interact with and manipulate the physical world and thus have farreaching impact on science and engineering. In many CPS such as next-generation vehicle networks, communication via wireless sensor and actuator networks is not only the approach to send or collect data, but also the basis of the adaptive control in the whole system...

2016
Øyvind H. Sundby Lars Øivind Høiseth Iacob Mathiesen Jørgen J. Jørgensen Harald Weedon‐Fekjær Jonny Hisdal

Intermittent negative pressure (INP) applied to the lower leg and foot may increase peripheral circulation. However, it is not clear how different patterns of INP affect macro- and microcirculation in the foot. The aim of this study was therefore to determine the effect of different patterns of negative pressure on foot perfusion in healthy volunteers. We hypothesized that short periods with IN...

2004
D. Lubyshev J. M. Fastenau X.-M. Fang Y. Wu C. Doss A. Snyder W. K. Liu M. S. M. Lamb C. Song

Metamorphic buffers ~M-buffers! consisting of graded InAlAs or bulk InP were employed for the production of InP-based epiwafers on GaAs substrates by molecular-beam epitaxy. The graded InAlAs is the standard for production metamorphic high electron mobility transistors ~M-HEMTs!, while the bulk InP offers superior thermal properties for higher current density circuits. The surface morphology an...

Journal: :Optics express 2011
Shuai Gao Chunfeng Zhang Yanjun Liu Huaipeng Su Lai Wei Tony Huang Nicholas Dellas Shuzhen Shang Suzanne E Mohney Jingkang Wang Jian Xu

High-quality InP/ZnS core-shell nanocrystal quantum dots (NQDs) were synthesized as a heavy-metal-free alternative to the gain media of cadmium-based colloidal nanoparticles. Upon UV excitation, amplified spontaneous emission (ASE) and optical gain were observed, for the first time, in close-packed InP/ZnS core-shell NQDs. The ASE wavelength can be selected by tailoring the nanocrystal size ove...

2006
S. Guilet S. Bouchoule C. Jany P. Chabert

Inductively coupled plasma etching using Cl2–H2 chemistry with no additive gas CH4, Ar, or N2 is studied to realize deep 5 m ridges with smooth and vertical sidewalls. The process is optimized for nonthermalized InP wafers to avoid the use of thermal grease. Cleaning of the rear side of the wafer after etching is avoided, which is suitable for an industrial process or for critical subsequent st...

2012
HSINYI LO

A tool for evaluating thin-film thermal conductivity to submicron spatial resolution has been developed. The micro-instrumentation utilizes the thermoreflectance (TR) technique to characterize thermal conductivity and material uniformity. The instrument consists of a heating element for creating temperature gradients and an Invar bar with in situ temperature monitoring for heat flux measurement...

2015
Yongjing Lin Rehan Kapadia Jinhui Yang Maxwell Zheng Kevin Chen Mark Hettick Xingtian Yin Corsin Battaglia Ian D. Sharp Joel W. Ager Ali Javey

The role of TiO2 thin films deposited by atomic layer deposition on p-InP photocathodes used for solar hydrogen generation was examined. It was found that, in addition to its previously reported corrosion protection role, the large valence band offset between TiO2 and InP creates an energy barrier for holes reaching the surface. Also, the conduction band of TiO2 is well-aligned with that of InP...

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