Optical and electrical properties of vanadium oxides synthesized from alkoxides
نویسنده
چکیده
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391
منابع مشابه
The controlled deposition of metal oxides onto carbon nanotubes by atomic layer deposition: examples and a case study on the application of V2O4 coated nanotubes in gas sensing.
A new atomic layer deposition (ALD) process was applied for the uniform coating of carbon nanotubes with a number of transition-metal oxide thin films (vanadium, titanium, and hafnium oxide). The presented approach is adapted from non-aqueous sol-gel chemistry and utilizes metal alkoxides and carboxylic acids as precursors. It allows the coating of the inner and outer surface of the tubes with ...
متن کاملStudy of structural, optical and electrical properties of ZnO/CuO nanocomposites
In this work, the first ZnO/CuO nanocomposites were synthesized by chemical vapour deposition (CVD), thermal evaporation (PVD) and sputtering on silicon substrates (Si). Then, the structural, optical and electrical properties of the samples were investigated. Examination of the X-ray diffraction patterns confirmed the mixed-phase formation of hexagonal zinc oxide (ZnO) and monoclinic copper oxi...
متن کاملPreparation of High Surface Area VOHPO4·0.5H2O with the Alkoxide Method
Vanadium phosphorous oxides (VPO) catalyze the partial oxidation of butane to maleic anhydride. These VPO are commercially manufactured from solid vanadium oxides by treating them with a sequence of two processes. The first is the reflux of V2O5 with organic compounds, e.g. alcohols, to reduce the metal to the +4 oxidation state and also phosphoric acid as a phosphorous source to obtain the pre...
متن کاملStudying the effects of adding CeO2 and CuO on electrical properties of lead free (Ba0.85Ca0.15)(Zr0.1Ti0.9)O3 piezoceramics
Lead-free (Ba0.85Ca0.15)[(Zr0.1Ti0.9)]O3 (BCZT) piezoceramics were synthesized using solid-state ceramic processing. In order to improve the electrical properties CeO2 and CuO additives/dopants were used and two methods were employed to introduce theses oxides; one, in which 0.1 mol.% CeO2 was mixed with the raw materials and the composition was balanced for A-site substitution (BCCe0.1ZT) and ...
متن کاملElectrodynamics of the vanadium oxides VO2 and V2O3
The optical and infrared properties of films of vanadium dioxide VO2 and vanadium sesquioxide V2O3 have been investigated via ellipsometry and near-normal incidence reflectance measurements from far infrared to ultraviolet frequencies. Significant changes occur in the optical conductivity of both VO2 and V2O3 across the metal-insulator transitions at least up to and possibly beyond 6 eV. We arg...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 1999