Simple metals under pressure
Article Abstract:
Lithium acts like H2 under pressure, with the nuclei predicted to form pairs producing structures similar to condensed phase of H2. It is proposed that in any element the valence electrons are excluded from the ion core regions by the Pauli exclusion principle, which ensures that no two electrons can occupy the same state. This effect increases with pressure as the volume available to the valence electrons falls. This effect is particularly strong in lithium because it has a large core.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1999
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Real metals, 2D or not 2D?
Article Abstract:
Hanein and co-workers have undertaken an experiment relating the B=O and quantum Hall metal-insulator transitions. The carrier density in a high-quality 2D GaAs hole system was tuned so that the magnetic field at which the quantum Hall metal-insulator transitions occur, could be altered. The transition linked with the quantum Hall effect at high magnetic fields was found to evolve continuously into the B=O metal-insulator transition.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1999
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Misbehaviour in metals
Article Abstract:
Issues are presented concerning the electrical resistivity of complex metals such as fullerenes. The use of a quantum dynamics model for the modeling of copper oxide metals is discussed.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2000
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