Introduction In the electronic breakdown, conductive states are generated in an otherwise insulating phase by quantum tunneling of valence electrons across the band gap1. Electric field-driven tunneling, which
What is vanadium (element 23), is it a metal or nonmetal, its chrome alloy, how many valence electrons does it have, its electron configuration, density, charge
that the chosen levels of theory provide the best overall performance in predicting the logβvalues of uranyl47and vanadium17ions complexes with anionic oxygen and amidoxime donor ligands. Single-point coupled-cluster theory calculations, CCSD(T)/aug-cc-pvDZ (the valence electrons on C, O, H a...
Multiple valence states of Ni, Co and V generate more redox reactions during charge and discharge [26]. The wettability of the as-prepared samples is investigated and results are displayed in Fig. 3i and Fig. S2. The water contact angles of NiCo-P/Ni3V2O8, NiCo-P, MOF/Ni3V2O8, ...
The PAW pseudopotential was adopted with 2p63s2, 3p63d34s2, and 2s22p4 electrons as valence for Mg, V, and O atoms, respectively. The generalized gradient approximation add U (GGA + U) method with Perdew, Burke and Ernzerhof (PBE) type was used to describe the exchange and ...
When the incident photon energy is higher than the Eg of the semiconductor materials, electrons are excited from the valence band to the conduction band, generating electron-hole pairs. Such photoexcited carriers are driven by a built-in electric field arising from semiconductor–semiconductor or semi...
When the incident photon energy is higher than the Eg of the semiconductor materials, electrons are excited from the valence band to the conduction band, generating electron-hole pairs. Such photoexcited carriers are driven by a built-in electric field arising from semiconductor–semiconductor or semi...
Electrochemical performance of mixed valence Na3V2O2x(PO4)2F3−2x/C as cathode for sodium-ion batteries. J. Power Sources 2013, 241, 56–60. [Google Scholar] [CrossRef] Sharma, N.; Serras, P.; Palomares, V.; Brand, H.E.A.; Alonso, J.; Kubiak, P.; Fdez-Gubieda, M.L.; ...