نتایج جستجو برای: metallic state
تعداد نتایج: 892478 فیلتر نتایج به سال:
Results are presented for a ductile metal reinforced bulk metallic glass matrix composite based on glass forming compositions in the Zr-Ti-Cu-Ni-Be system. Primary dendrite growth and solute partitioning in the molten state yields a microstructure consisting of a ductile crystalline Ti-Zr-Nb beta phase, with bcc structure, in a Zr-Ti-Nb-Cu-Ni-Be bulk metallic glass matrix. Under unconstrained m...
Unusual features in the in-plane charge transport in lightly hole-doped La2−xSrxCuO4 single crystals are described. Notably, both the in-plane resistivity and the Hall coefficient show a metallic behavior at moderate temperatures even in the long-range-ordered antiferromagnetic phase, which obviously violates the Mott-Ioffe-Regel criterion for the metallic transport and can hardly be understood...
this review reports recent advances in metallic nanostructures based electrochemical sensors. interesting aspects of nps include size and shape-dependent interatomic bond distances, melting points, chemical reactivity, and optical and electronic properties. the small size of metallic nanostructures has allowed nanoscale electrochemical processes to be probed. electrochemical characteristics can...
We implement optical spectroscopy to study charged excitons in modulation-doped GaAs/AIGaAs quantum wells. We report the fLrs~ observation of the positively charged exciton and of the triplet state of the negatively charged exciton. Applyin~g a gate voltage at high magnetic fields, we investigate the transition between metallic and insulating state~ We find that while the photoluminescence fine...
This paper presents a new application of “Shape from Polarization” method to specular metallic surfaces. It demonstrates how to extend the commonly used method for dielectric to metallic surfaces. Studying the state of polarization of the reflected light is very useful to get information on the normals of the surface. After computing the surface normals, the 3D surface is reconstructed thanks t...
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