Dielectric Properties of TlInS2 with FeSe2 Admixture. Influence of an External Electric Field

1993 ◽  
Vol 136 (1) ◽  
pp. 235-240 ◽  
Author(s):  
J. Grigas ◽  
J. Banys
Author(s):  
Nadine Aubry ◽  
Pushpendra Singh

The objective of this paper is to study the dependence of the electrostatic force that act on a particle within the interface between two immiscible fluids on the parameters such as the dielectric properties of the fluids and particles, the particle’s position within the interface, and the electric field strength. It is shown that the component of electrostatic force normal to the interface varies as a2, where a is the particle radius, and since in equilibrium it is balanced by the vertical capillary force, the interfacial deformation caused by the particle changes when an external electric field is applied. In addition, there are lateral electrostatic forces among the particles due to the dipole-dipole interactions which, when the distance between two particles is O(a), vary as a2, and remain significant for submicron sized particles.


1996 ◽  
Vol 10 (23n24) ◽  
pp. 2925-2932 ◽  
Author(s):  
REX C. KANU ◽  
MONTGOMERY T. SHAW

Chaining of micron-sized polarizable particles in ER fluids is generally accepted to be responsible for the liquid-to-solid transitions on the application of an external electric field. It has been hypothesized that the strength of the particle-particle interactions solely determines the rheological properties of ER fluids. In our work, the particle’s structure has been used to control interactions; for example, we have developed systems featuring rodlike particles. With such particles it should be possible to enhance the dielectric interaction of the particles as well as their mechanical interaction. The main goal of our effort has been to distinguish between these two mechanisms through measurements of the dielectric properties in conjunction with the rheological responses. Based on the experimental evidence thus far gathered, we can state that most, but not all, of the rheological effects are explainable in terms of the dielectric changes in the fluid.


1992 ◽  
Vol 132 (1) ◽  
pp. 191-196 ◽  
Author(s):  
J. Banys ◽  
J. Grigas ◽  
S. Lapinskas ◽  
Z. Lileikis ◽  
T. Yagi

2013 ◽  
Vol 27 (10) ◽  
pp. 1350066 ◽  
Author(s):  
ZHI-GAO ZUO ◽  
FU-RI LING ◽  
DAN LI ◽  
JIN-SONG LIU ◽  
JIAN-QUAN YAO

A nonlinear thermodynamic model is developed for investigating the effect of external electric field on the dielectric properties of Ba 0.6 Sr 0.4 TiO 3/ SrTiO 3( BST / STO ) super-lattice. The transformation strain induced by the external electrical field are analyzed and calculated. It is found that the dielectric and ferroelectric properties of the ( BST / STO ) superlattice vary substantially with the interlayer elastic interaction caused by the external electrical field. The results also provide better understanding of the dielectric behavior of BST / STO superlattice with external electric field and a necessary step in the development of the general nonlinear theory.


Pramana ◽  
2006 ◽  
Vol 67 (3) ◽  
pp. 547-552 ◽  
Author(s):  
Trilok Chandra Upadhyay ◽  
Ramendra Singh Bhandari ◽  
Birendra Singh Semwal

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