Six-fold rotationally symmetric vanadium oxide nanostructures by a morphotropic phase transition

2007 ◽  
Vol 244 (11) ◽  
pp. 4157-4160 ◽  
Author(s):  
C. O'Dwyer ◽  
V. Lavayen ◽  
D. Fuenzalida ◽  
S. B. Newcomb ◽  
M. A. Santa Ana ◽  
...  
Keyword(s):  
Phase Transition ◽  
Vanadium Oxide ◽  
Oxide Nanostructures ◽  
Morphotropic Phase Transition ◽  
Rotationally Symmetric

Magnetic and Structural Phase Transition in Iron Oxide Nanostructures

2015 ◽  
Vol 2 (10) ◽  
pp. 5280-5287 ◽  
Author(s):  
Saira Riaz ◽  
S. Zaheer H. Shah ◽  
Zohra N. Kayani ◽  
Shahzad Naseem
Keyword(s):  
Phase Transition ◽  
Iron Oxide ◽  
Structural Phase Transition ◽  
Structural Phase ◽  
Oxide Nanostructures ◽  
Iron Oxide Nanostructures

scholarly journals Поведение керамических твердых растворов 33PbYb-=SUB=-1/2-=/SUB=-Nb-=SUB=-1/2-=/SUB=-O-=SUB=-3-=/SUB=--22PbZrO-=SUB=-3-=/SUB=--45PbTiO-=SUB=-3-=/SUB=- в электрическом поле

2020 ◽  
Vol 46 (6) ◽  
pp. 31
Author(s):  
Л.С. Камзина ◽  
G. Li
Keyword(s):  
Phase Transition ◽  
Dielectric Constant ◽  
Electric Field ◽  
Electric Fields ◽  
Dielectric Parameters ◽  
Morphotropic Phase Transition ◽  
Temperature Dependences ◽  
Pseudocubic Phase

The temperature dependences of the dielectric parameters were studied, as well as the changes in the dielectric constant with time in ceramic 33PbYb1 / 2Nb1 / 2O3-22PbZrO3-45 PbTiO3 samples in electric fields (0 <E <8 kV / cm). It is shown that in the phase existing below the temperature of the morphotropic phase transition, in addition to the rhombohedral and tetragonal phases, a small fraction of the relaxor pseudocubic phase is present. It was found that, unlike other relaxors, the dielectric constant practically does not change with time when an electric field is applied in the phase below the temperature of the morphotropic phase transition. Possible reasons for this behavior are discussed.

Vanadium oxide nanostructures on Rh(111): Promotion effect of CO adsorption and oxidation

2005 ◽  
Vol 580 (1-3) ◽  
pp. 122-136 ◽  
Author(s):  
J. Schoiswohl ◽  
S. Eck ◽  
M.G. Ramsey ◽  
J.N. Andersen ◽  
S. Surnev ◽  
...  
Keyword(s):  
Vanadium Oxide ◽  
Co Adsorption ◽  
Promotion Effect ◽  
Oxide Nanostructures

scholarly journals Reversible and repeatable phase transition at a negative temperature regime for doped and co-doped spin coated mixed valence vanadium oxide thin films

RSC Advances ◽  
2018 ◽  
Vol 8 (54) ◽  
pp. 30966-30977 ◽  
Author(s):  
Dipta Mukherjee ◽  
Arjun Dey ◽  
A. Carmel Mary Esther ◽  
N. Sridhara ◽  
D. Raghavendra Kumar ◽  
...  
Keyword(s):  
Thin Films ◽  
Phase Transition ◽  
Vanadium Oxide ◽  
Temperature Regime ◽  
Spin Coating ◽  
Mixed Valence ◽  
Negative Temperature ◽  
Coating Technique ◽  
Vanadium Oxide Thin Films ◽  
Co Doped

Smooth, uniform mixed valance vanadium oxide (VO) thin films are grown on flexible, transparent Kapton and opaque Al6061 substrates by the spin coating technique at a constant rpm of 3000.

Zirconium oxide nanoarrays via the self-organized anodizing of Al/Zr bilayers on substrates

2021 ◽  
Author(s):  
Alexander Mozalev ◽  
Zdenek Pytlicek ◽  
Kirill Kamnev ◽  
Jan Prasek ◽  
Francesc Gispert-Guirado ◽  
...  
Keyword(s):  
Phase Transition ◽  
Zirconium Oxide ◽  
Ionic Transport ◽  
The Self ◽  
Oxide Growth ◽  
Frontier Formation ◽  
Self Organized ◽  
Oxide Nanostructures ◽  
Formation Conditions ◽  
Transition Effects

A combination of frontier formation conditions, paradoxical oxide growth, unique ionic transport, a mixed-oxide composition, and phase transition effects resulted in arrays of novel self-assembled zirconium-oxide nanostructures.

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