Room temperature ferromagnetic property of Ag2Mo2O7 nanowires

Plasmonic properties of an Ag@Ag2Mo2O7 hybrid nanostructure easily designed by solid-state photodeposition from very thin Ag2Mo2O7 nanowires

“…This material exhibits an optical band gap of 3.0 eV (413 nm) that is slightly blue-shifted compared to other reported values (2.7-2.9 eV). [26][27][28] This is well consistent with the reduced thickness of the NWs, and it reveals the presence of quantum confinement of the photogenerated electron-hole carriers into the 1Dnanomaterial. 42 As already described, 27,28 a combination of energy X-ray dispersive spectroscopy (EDS) and HR-TEM techniques, which is a powerful tool to extract structural and chemical information at the nanoscale.…”

“…However, controlling both the purity and the nanostructuration of Ag2Mo2O7 as very thin NWs with high specific surface areas still remains very challenging. Traditional hydrothermal and more recent microwave methods were commonly used to design nano-and microstructurated Ag2Mo2O7 with various morphologies such as nanoparticles, 8 nanowires, [28][29][30] nanoflowers, 31 broom-like microstructures, 31 or micro-rods. [31][32][33] However, it was often obtained impure with other silver molybdates, 16,[34][35][36] and the composition of the mixtures is extremely pH-dependent.…”

“…31,34,37 Beside Ag2Mo2O7 exhibits both monoclinic (m-Ag2Mo2O7) 38 and triclinic (t-Ag2Mo2O7) 39 polymorphs (Figure 1b) that can co-precipitate, 31 and the synthesis parameters governing their relative stability remain still unclear. Recently, pure t-Ag2Mo2O7 28,29 and m-Ag2Mo2O7 40 NWs with an average diameter of 200-500 nm were obtained from different synthesis routes, but the hydrothermal treatments that favor the crystal growth dramatically impact the nanostructuration, and the obtained materials exhibited a very low specific surface area of c.a 2 m 2 /g. We report herein the successful synthesis of a new Ag@m-Ag2Mo2O7 plasmonic hybrid nanostructure via a facile twostep procedure.…”

Ultra‐low temperature sintering microwave dielectric ceramics based on Ag2O–MoO3 binary system

“…In our work, solid‐state reaction method was used to synthesize and confirm the phases in Ag 2 O–MoO 3 system. The compounds in Ag 2 O–MoO 3 system have attracted recent attention due to high‐temperature lubricating properties, photocatalytic performance, and ferromagnetic property as well as their applications in electrochemical devices, gas sensing and surface‐enhanced Raman scattering techniques . Zhou et al reported that Ag 2 MoO 4 could be sintered well at 450°C with a relative permittivity of 8.08, a Q×f value of 17 000 GHz, and a temperature coefficient of resonance frequency about −133 ppm/°C .…”

“…The compounds in Ag 2 O-MoO 3 system have attracted recent attention due to hightemperature lubricating properties, photocatalytic performance, and ferromagnetic property as well as their applications in electrochemical devices, gas sensing and surfaceenhanced Raman scattering techniques. 26,[28][29][30][31][32][33][34][35][36][37][38][39] Zhou et al reported that Ag 2 MoO 4 could be sintered well at 450°C with a relative permittivity of 8.08, a Q9f value of 17 000 GHz, and a temperature coefficient of resonance frequency about À133 ppm/°C. 40 However, microwave dielectric properties of the other compounds in this system and the ceramic preparation process of them have not been studied and reported before.…”