Magnetization reversal driven by electron localization-delocalization crossover in the inverse spinel Co2VO4

Abstract

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Tunable magnetic and electronic transport properties of Co1+xV2-xO4

“…Furthermore, the temperature at which the M-T curve rises becomes broader as the magnetic field increases. Our measurements of magnetic properties are also consistent with published data, in principle [14], [15], [16].…”

Enhanced Solar Fuel Production over In2O3@Co2VO4 Hierarchical Nanofibers with S‐Scheme Charge Separation Mechanism

“…The surface chemical states of the samples were investigated via Xray photoelectron spectroscopy (XPS) analysis. [45,46] Apart from the In and O elements emanating from In 2 O 3 matrix, the survey spectrum of IC20 reveals the presence of Co and V elements (Figure S4, Supporting Information). Figure 2a shows two symmetrical peaks assigned to In 3d 5/2 (444.4 eV) and In 3d 3/2 (451.9 eV) of In 2 O 3 .…”

“…Randomly aligned In 2 O 3 nanofibers tend to form a loose network, which enables efficient transportation of reactants and products. [39][40][41][42][43][44][45] Herein, we first synthesized a hierarchicallystructured photocatalyst with Co 2 VO 4 nanorods vertically growing out of the In 2 O 3 nanofibers through a hydrothermal synthesis (Figure 1a), facilitating the formation of interfaces with closer contact between the two phases. The distinctive S-scheme photo-catalytic mechanism enables efficient separation of potent photogenerated electrons in the CB of Co 2 VO 4 and holes in the valence band (VB) of In 2 O 3 , actively engaging them in the photoreactions of CO 2 reduction and H 2 O oxidation, respectively.…”