منابع مشابه
Thermo-mechanical analysis of a micro-engineered tungsten-foam armored IFE FW
The high average power laser (HAPL) program goal is to develop a laser inertial fusion reactor using a solid first wall (FW). The FW of the inertial fusion energy (IFE) chamber is exposed to high energy photon, particle, and neutron fluxes at frequency of several Hz. The feasibility of using a micro-engineered refractory metals, such as tungsten foam as a solid FW armor is investigated. Refract...
متن کاملOhmic Hetero-Junction of n-Type Silicon and Tungsten Trioxide for Visible-Light Sensitive Photocatalyst
Visible light-sensitive photocatalyst was developed by combining n-type silicon (n-Si) and tungsten trioxide (WO3, n-Si/WO3), yielding an ohmic contact in between. In this system, the ohmic contact acted as an electron-and-hole mediator for the transfer of electrons and holes in the conduction band (CB) of WO3 and in the valence band (VB) of n-Si, respectively. Utilizing thusconstructed n-Si/WO...
متن کاملFabrication and characterization of CMOS- compatible integrated tungsten heaters for thermo-optic tuning in silicon photonics devices
We present fabrication and characterization of tungsten (W) heaters for thermo-optic tuning on silicon-on-insulator (SOI). The waferscale fabrication of these thermal tuners was done using standard complementary metal-oxide-semiconductor (CMOS) back-end fabrication materials and processes. Static and transient characterizations of heaters are presented. ©2014 Optical Society of America OCIS cod...
متن کاملTungsten toxicity.
There is emerging evidence that tungsten has toxic health effects. We summarize the recent tungsten toxicity research in this short review. Tungsten is widely used in many commercial and military applications because it has the second highest melting temperature of any element. Consequently, it is important to elucidate the potential health effects of tungsten.
متن کاملSeed growth of tungsten diselenide nanotubes from tungsten oxides.
We report growth of tungsten diselenide (WSe2) nanotubes by chemical vapor deposition with a two-zone furnace. WO3 nanowires were first grown by annealing tungsten thin films under argon ambient. WSe2 nanotubes were then grown at the tips of WO3 nanowires through selenization via two steps: (i) formation of tubular WSe2 structures on the outside of WO3 nanowires, resulting in core (WO3)-shell (...
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ژورنال
عنوان ژورنال: SHINKU
سال: 1963
ISSN: 0559-8516,1880-9413
DOI: 10.3131/jvsj.6.189