Cation Conductivity in Mixed Sulfate-Based and Mixed Iodide-Based Solids with Phase Transitions

1994 ◽  
Vol 369 ◽  
Author(s):  
E. A. Secco
Keyword(s):  
Electrical Conductivity ◽  
Phase Transitions ◽  
Temperature Dependence ◽  
Ionic Radius ◽  
Ion Conductivity ◽  
Ac Electrical Conductivity ◽  
Cation Conductivity ◽  
Fast Ion ◽  
Contribution Limits

AbstractThe ac electrical conductivity versus temperature dependence of solids undergoing phase transitions incorporating various guest ions, viz isovalent cations and anions, ions with different ionic radius, ions with different polarizability, in Na2SO4-based, Ag2SO4-based, Li2SO4-based and U02SO4-based compositions along with MxTl(1x)I compositions for 1 ≤ x ≤ 0.13, whose M = K, Rb, Cs, are reported. An overview is given of the interplay of various factors, structural and non-structural, with their contribution limits impacting on locking-in the fast cation conductivity phase and the interpretation of fast-ion conductivity in the context of a percolation-type of ionstransport mechanism.

Temperature dependence of the transient and AC electrical conductivity of porous silicon thin films

2003 ◽  
Vol 101 (1-3) ◽  
pp. 334-337 ◽  
Author(s):  
M. Theodoropoulou ◽  
C.A. Krontiras ◽  
N. Xanthopoulos ◽  
S.N. Georga ◽  
M.N. Pisanias ◽  
...  
Keyword(s):  
Thin Films ◽  
Electrical Conductivity ◽  
Porous Silicon ◽  
Temperature Dependence ◽  
Ac Electrical Conductivity ◽  
Silicon Thin Films

scholarly journals Frequency and temperature dependence of the dielectric and AC electrical conductivity in (Ni/Au)/AlGaN/AlN/GaN heterostructures

2010 ◽  
Vol 87 (10) ◽  
pp. 1997-2001 ◽  
Author(s):  
Engin Arslan ◽  
Yasemin Şafak ◽  
İlke Taşçıoğlu ◽  
Habibe Uslu ◽  
Ekmel Özbay
Keyword(s):  
Electrical Conductivity ◽  
Temperature Dependence ◽  
Ac Electrical Conductivity

Electrical Conductivity of Chloro(phenyl)glyoxime and Its Co(II), Ni(II) and Cu(II) Complexes

2003 ◽  
Vol 68 (7) ◽  
pp. 1233-1242 ◽  
Author(s):  
Orhan Turkoglu ◽  
Mustafa Soylak ◽  
Ibrahim Belenli
Keyword(s):  
Electrical Conductivity ◽  
Temperature Dependence ◽  
Electric Conductivity ◽  
Crystal Structures ◽  
Elemental Analysis ◽  
Analysis Data ◽  
Elemental Analysis Data ◽  
The Stability ◽  
Xrd Patterns ◽  
Metal Ligand

Chloro(phenyl)glyoxime, a vicinal dioxime, and its Ni(II), Cu(II) and Co(II) complexes were prepared. XRD patterns of the complexes point to similar crystal structures. IR and elemental analysis data revealed the 1:2 metal-ligand ratio in the complexes. The Co(II) complex is a dihydrate. Temperature dependence of electrical conductivity of the solid ligand and its complexes was measured in the temperature range 25-250 °C; it ranged between 10-14-10-6 Ω-1 cm-1 and increased with rising temperature. The activation energies were between 0.61-0.80 eV. The Co(II) complex has lower electric conductivity than the Ni(II) and Cu(II) complexes. This difference in the conductivity has been attributed to differences in the stability of the complexes.

Oxide Ion Conductivity, Phase Transitions, and Phase Separation in Fluorite-Based Bi38−xMo7+xO78+1.5x

2010 ◽  
Vol 22 (15) ◽  
pp. 4484-4494 ◽  
Author(s):  
Xiaojun Kuang ◽  
Yuandi Li ◽  
Chris D. Ling ◽  
Ray L. Withers ◽  
Ivana Radosavljević Evans
Keyword(s):  
Phase Transitions ◽  
Phase Separation ◽  
Ion Conductivity ◽  
Oxide Ion Conductivity ◽  
Oxide Ion
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