Journal ArticleDOI
Substrate temperature dependent properties of sprayed CoFe2O4 ferrite thin films
S.S Bellad,C.H. Bhosale +1 more
TLDR
In this article, the CoFe2O4 ferrite thin films have been prepared by spray pyrolysis technique at different substrate temperatures (Ts) and the XRD patterns reveal a good (111) texture in the film prepared at Ts=325°C.About:
This article is published in Thin Solid Films.The article was published on 1998-06-08. It has received 38 citations till now. The article focuses on the topics: Texture (crystalline) & Electrical resistivity and conductivity.read more
Citations
More filters
Journal ArticleDOI
Ethanol gas sensor based on CoFe2O4 nano-crystallines prepared by hydrothermal method
TL;DR: In this article, the CoFe2O4 nano-crystallines obtained at a pH of 8-10 exhibited an n-type response to gases at low temperatures and p-type reaction to gas at high temperatures.
Journal ArticleDOI
Production of single phase nano size NiFe2O4 particles using sol–gel auto combustion route by optimizing the preparation conditions
TL;DR: In this article, a single phase polycrystalline NiFe 2 O 4 is prepared through sol-gel auto combustion method at two different conditions namely pH 7 and 8, and the grain sizes of the prepared ferrites are found to be in the range 24-31nm.
Journal ArticleDOI
Size and crystallinity-dependent magnetic properties of copper ferrite nano-particles
TL;DR: In this article, the effect of degree of crystallinity and crystallite size of copper ferrite nano-crystals on its magnetic properties was investigated by varying the preparation temperatures via changing the ratio between the glycine and nitrates.
Journal ArticleDOI
A formaldehyde gas sensor with improved gas response and sub-ppm level detection limit based on NiO/NiFe2O4 composite nanotetrahedrons
TL;DR: In this paper, NiO/NiFe2O4 nanocomposites were prepared through a simple two-step hydrothermal route and their gas sensing performances were investigated.
Journal ArticleDOI
Spray pyrolysis deposition of zinc ferrite films from metal nitrates solutions
TL;DR: In this article, a spray pyrolysis deposition from mixed zinc and iron nitrates aqueous solutions was performed on spinel ZnFe2O4 thin films with good adhesion.
References
More filters
Journal ArticleDOI
Analysis of the semiconducting properties of cobalt ferrite
TL;DR: From measurements of resistivity, activation energy, and Seebeck effect, an energy-level scheme is derived by which the semi-conducting properties of CoFe2O4 can be described as discussed by the authors.
Journal ArticleDOI
CoFe2O4 thin films grown on (100) MgO substrates using pulsed laser deposition
TL;DR: In this article, the phase, orientation, and microstructure of the asdeposited films were investigated as a function of substrate temperature at a constant oxygen deposition pressure of 30 mTorr.
Journal ArticleDOI
Surface magnetism of α-Fe2O3 by Mössbauer spectroscopy
TL;DR: In this paper, the surface hyperfine field rapidly decreased with increase of temperature but the Morin transition took place at the same transition temperature as the bulk crystal and the surface was very thinly coated with 57 Fe.
Journal ArticleDOI
Preparation of Co ferrite thin films with large perpendicular and in-plane coercivities by facing targets sputtering
TL;DR: In this article, thin films with cobalt ferrite layer on ZnO underlayer were prepared at substrate temperature T/sub s/ in the range of 80 approximately 600 degrees C by a facing targets sputtering apparatus.
Journal ArticleDOI
Magneto-optic insulators utilizing the optical activity of Co ++ (T d )
R. Ahrenkiel,T. Coburn +1 more
TL;DR: In this paper, large magneto-optic effects are associated with the crystal field transitions of Co++(T d ) in a variety of spinel oxides, where T is a trivalent metal ion such as Cr3+or Rh3+.