نتایج جستجو برای: phase detector pd
تعداد نتایج: 706375 فیلتر نتایج به سال:
Phase stability of transition metal nanoparticles during exposure to elevated temperature and gaseous environment is a highly relevant topic in catalytic research with broad implications for rationalization of catalytic properties and design of new catalytic materials. For Pd based catalysts, the phase stability under oxidizing environment represents an important topic as many Pd based catalyst...
The theory, design, simulation, fabrication, and performance of an omnidirectional polarization detector (PD) with two resonances located in the X and Ka ranges based on a metamaterial absorber (MMA) are presented in this paper. The sandwich structure of PD is composed of 0.1 μm periodic "I" shaped patches on the metasurface, a dielectric of 200 μm FR-4 on the interlayer, and a 0.3 μm copper fi...
Transverse-field muon spin relaxation measurements have been carried out on the heavy-fermion superconductor UPt (3) doped with small amounts of Pd. We find that the critical Pd concentration for the emergence of the large-moment antiferromagnetic phase is approximately 0.6 at. %Pd. At the same Pd content, superconductivity is completely suppressed. The existence of a magnetic quantum critical ...
2 Abstract In November 1995, the Cornell Electron Storage Ring (CESR) began Phase II operations. The CESR/CLEO Phase II upgrade involved the installation of a silicon vertex detector for the CLEO experiment and an interaction region optimized for a small-radius beampipe and bunch-train collisions at total beam currents of 600 mA. The design of the CESR Phase II Interaction Region is described a...
In Parkinson Disease (PD) as well as in stroke research there is an urgent need to both optimize the use of resources (number of patients, costs, and time) and select potential effective neuroprotective agents. The processes used to identify and study new therapies for PD may be applicable to the search for new therapies in stroke. The National Institute of Neurological Disorders and Stroke (NI...
Carbon Nanotube Film/Silicon Heterojunction Photodetector for New Cutting-Edge Technological Devices
Photodetector (PD) devices based on carbon nanotube/n-silicon heterojunction (NSH) have been realized, with a linear response in large optical power range, proving competitive performances respect to recent nanostructure-based detector and those currently available the market. The core of these is thin semi-transparent conductive single-walled nanotubes film multitask role: junction element, li...
A low background Micromegas detector has been operating on the CAST experiment at CERN for the search of solar axions during the first phase of the experiment (2002-2004). The detector operated efficiently and achieved a very low level of background rejection (5 × 10 −5 counts keV −1 cm −2 s −1) thanks to its good spatial and energy resolution as well as the low radioactivity materials used in ...
We demonstrate a controlled dephasing experiment via exploiting a unique entangled interferometer-detector system, realized in an electronic mesoscopic structure. We study the dephasing process both from the which path information available in the detector and, alternatively, from the direct effect of the detector on the interferometer. Detection is possible only due to an induced phase change ...
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