Publication

Evidence for weak localization effects on the critical magnetic field for the amorphous alloys V1-xSi

Davor Pavuna
1987
Journal Articles

Abstract

The authors present measurements of the temperature dependence of the upper critical field Hc2 and of the magnetoresistance for V1-xSix superconducting amorphous alloys. Negative deviations from the classical variation of Hc2 in a dirty superconductor are observed related to a positive magnetoresistance due to weak localization in amorphous systems with finite spin-orbit coupling. These deviations can be qualitatively explained through the model recently developed by Coffey, Muttalib, and Levin (1984-5)

Official source

https://infoscience.epfl.ch/entities/publication/276871e0-058a-430c-b267-cd02653f72f1

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Davor Pavuna
1987
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/276871e0-058a-430c-b267-cd02653f72f1

About this result

Related concepts (28)

High-temperature superconductivity

High-temperature superconductors (abbreviated high-Tc or HTS) are defined as materials with critical temperature (the temperature below which the material behaves as a superconductor) above , the boiling point of liquid nitrogen. They are only "high-temperature" relative to previously known superconductors, which function at even colder temperatures, close to absolute zero. The "high temperatures" are still far below ambient (room temperature), and therefore require cooling.

Amorphous solid

In condensed matter physics and materials science, an amorphous solid (or non-crystalline solid) is a solid that lacks the long-range order that is characteristic of a crystal. The terms "glass" and "glassy solid" are sometimes used synonymously with amorphous solid; however, these terms refer specifically to amorphous materials that undergo a glass transition. Examples of amorphous solids include glasses, metallic glasses, and certain types of plastics and polymers. The term comes from the Greek a ("without"), and morphé ("shape, form").

Amorphous metal

An amorphous metal (also known as metallic glass, glassy metal, or shiny metal) is a solid metallic material, usually an alloy, with disordered atomic-scale structure. Most metals are crystalline in their solid state, which means they have a highly ordered arrangement of atoms. Amorphous metals are non-crystalline, and have a glass-like structure. But unlike common glasses, such as window glass, which are typically electrical insulators, amorphous metals have good electrical conductivity and can show metallic luster.

Related publications (9)

Evidence for weak localization effects on the critical magnetic field for the amorphous alloys V1-xSi

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