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semiconductor materialsPhys Org
•91% Informative
Traditional transistors are based on modulating an electric current under an electric field.
With metal conductors, it is not possible to make transistors due to the large number of free (extremely mobile) electrons.
With metallic superconductors only a few nanometers thick have been used experimentally to realize a new electric field effect as a viable route toward metallic transistors.
Alessio Zaccone: Theory of superconductivity in thin films under an external electric field can predict suppression of superconductoring electric current due to quantum wave confinement effects in ultra-thin films.
In practice, there are hole pockets inside the Fermi sea that lead to an increased density of states at the surface.
The confinement theory predicts a new topological transition upon further reducing the film thickness.
VR Score
93
Informative language
93
Neutral language
70
Article tone
semi-formal
Language
English
Language complexity
73
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not offensive
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Attention-grabbing headline
not detected
Known propaganda techniques
not detected
Time-value
long-living
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