Retraction of DOI: 10.1103/PhysRevLett.127.016401.
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Colossal Density-Driven Resistance Response in the Negative Charge Transfer Insulator MnS_{2}.
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Department of Physics & Astronomy, University of Nevada Las Vegas, Las Vegas, Nevada 89154, USA.
A reversible density driven insulator to metal to insulator transition in high-spin MnS_{2} is experimentally observed, leading with a colossal electrical resistance drop of 10^{8} Ω by 12 GPa. Density functional theory simulations reveal the metallization to be unexpectedly driven by previously unoccupied S_{2}^{2-} σ_{3p}^{*} antibonding states crossing the Fermi level. This is a unique variant of the charge transfer insulator to metal transition for negative charge transfer insulators having anions with an unsaturated valence.
View Article and Find Full Text PDFRETRACTED: Current-induced strong diamagnetism in the Mott insulator CaRuO.
Science
November 2017
Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan.
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College of Physics and Information Technology, Shaanxi Normal University, Xi'an, 710062, China.
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View Article and Find Full Text PDFOrigin of colossal permittivity in (In1/2Nb1/2)TiO2via broadband dielectric spectroscopy.
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College of Physics and Information Technology, Shaanxi Normal University, Xi'an, 710062, China.
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