Regular ArticleA Powder Neutron Diffraction Study of Semiconducting and Metallic Niobium Dioxide
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Optoelectronic and thermodynamic properties, infrared and Raman spectra of NbO<inf>2</inf> and Nb<inf>2</inf>O<inf>5</inf> from DFT formalism
2022, Journal of Physics and Chemistry of SolidsCitation Excerpt :Finally, there are results that indicate high dielectric constant of pentoxide [17], which enables its use in capacitors and optical materials like the dielectric gates in metal oxide semiconductor devices [18]. NbO2 has three crystal structures of rutile, tetragonal and monoclinic types [19]. The literature indicates its alternative obtainment from the reduction of Nb2O5 with H2 in a temperature range of 1073.15 K–1623.15 K [20] or with chemical reactions with Nb powder around 1373.15 K [21].
Sequential insulating-metal-insulating phase transition of NbO<inf>2</inf> by doping photoexcited carrier
2020, Computational Materials ScienceCitation Excerpt :Compared with the intensive studies on phase transition in VO2 system, there is a scarcity of information about NbO2. For decades, there was a small amount of research on the phase transition of NbO2 [22–25]. Accordingly, many efforts such as temperature, pressure and external doping have been devoted to control the metal-insulator transition behavior of NbO2, especially the application of ultrafast laser to induced phase transition [26].
Thermal conductivity tensor of NbO<inf>2</inf>
2019, International Journal of Heat and Mass TransferPseudogap and electron localization in the 4d shell of NbO2 bulk crystal
2023, Physical Review BReconciling the theoretical and experimental electronic structure of NbO2
2023, Physical Review B