Pressure-induced metal–insulator transition in
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چکیده
منابع مشابه
Calculated pressure-induced phase transition in MgF2
Relatively little attention has been paid to pressureinduced phase transitions in the Group II halides in contrast to the volume of work on the Bl-B2 transition in the alkali halides and alkaline-earth oxides. However, recently the rutile to fluorite transition in MgFz has been the subject of a paper by Nga and Ong,’ in which they studied this transition by molecular dynamics simulation based o...
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The pressure-induced phase transition in silicon carbide is studied using a constant-pressure ab initio technique. The reversible transition between the zinc-blende structure and the rock-salt structure is successfully reproduced through the simulation. The transformation mechanism at the atomistic level is characterized, and it is found that the transition is based on a tetragonal and an ortho...
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We study the influence of external pressure on the electronic and magnetic structure of EuMnO3 from first-principles calculations. We find a pressure-induced insulator-metal transition at which the magnetic order changes from A-type antiferromagnetic to ferromagnetic with a strong interplay with Jahn-Teller distortions. In addition, we find that the non-centrosymmetric E *-type antiferromagneti...
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We report the high-pressure vibrational properties and a pressure-induced electronic topological transition in the wide bandgap semiconductor Sb2S3 (E g = 1.7-1.8 eV) using Raman spectroscopy, resistivity and x-ray diffraction (XRD) studies. In this report, high-pressure Raman spectroscopy and resistivity studies of Sb2S3 have been carried out to 22 GPa and 11 GPa, respectively. We observed t...
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On the basis of experimental thermoelectric power results and ab initio calculations, we propose that a metal-insulator transition takes place at high pressure (approximately 6 GPa) in MgV2O4.
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ژورنال
عنوان ژورنال: Physica B: Condensed Matter
سال: 2008
ISSN: 0921-4526
DOI: 10.1016/j.physb.2007.10.208