scholarly journals Electrical Properties of Cd Doped InSe Crystals

2019 ◽  
Vol 19 (2) ◽  
pp. 159-162
Author(s):  
V.M. Kaminskii ◽  
Z.D. Kovalyuk ◽  
V.I. Ivanov ◽  
I.G. Tkachyuk ◽  
V.V. Netyaga
Keyword(s):  
Electrical Conductivity ◽  
Electrical Properties ◽  
Electric Field ◽  
Single Crystals ◽  
Indium Selenide ◽  
Alternating Electric Field

The measurements of electrical conductivity along (alternating electric field) and across (direct electric field)the crystallographic C axis of Cd‐doped indium selenide single crystals are carried out. The parameters of thehopping conductivity of InSe <Cd> are calculated.

Parametric Study of Dielectrophoretic Interactive Motion of Particles

2015 ◽  
Author(s):  
Mohammad Robiul Hossan ◽  
Matthew J. Benton ◽  
Prashanta Dutta ◽  
Robert Dillon
Keyword(s):  
Electrical Conductivity ◽  
Electrical Properties ◽  
Electric Field ◽  
Free Particle ◽  
Immersed Boundary ◽  
Label Free ◽  
Navier Stokes Equation ◽  
Immersed Interface Method ◽  
Immersed Interface ◽  
Fluid Medium

Dielectrophoresis (DEP) has become one of the most popular mechanisms for label free particle manipulations and transport in microfluidics. The efficacy of this mechanism is greatly dependent on the understanding and control of DEP interactive motion among particles. In this study, we performed a systematic investigation to understand the effect of particles size and electrical properties on DC DEP interactions among particles using in-house hybrid immersed boundary – immersed interface numerical method. Immersed boundary method is employed to predict flow field and immersed interface method is used to simulate electric field. The numerical model utilizes Maxwell’s stress tensor to obtain DEP forces, while solving transient Navier-Stokes equation it determines the hydrodynamic interaction between each of the particles and the fluid containing them. By varying the number of particles as well as the particles’ size, electrical properties and initial orientations, a number of possibilities were considered. Results indicate that the particles with similar electrical conductivities attract each other and tend to align themselves parallel to the external electric field regardless of sizes. If electrical conductivity of particles is lower than that of the fluid medium then the particle-particle interactions is caused by the negative DEP. If electrical conductivity of particles is higher than that of the fluid medium then the interactive motions of particle is attributed to the positive DEP. On the other hand, electrically dissimilar particles still attract each other but tend to align perpendicular to the electric field. Both negative and positive DEP contributes in interactions between electrically dissimilar particles. Numerical simulation also shows that the identical sized particles move at the same speed during interaction. In contrast, smaller particles moves faster than the larger particle during the interactions. This study explains the effect of size and electrical properties on DEP interactive motions of particles and can be utilized to design microfluidic devices for DEP particle manipulations.

New Fabrication (PVA-CMC -PbO) Nanocomposites Structural and Electrical Properties

2021 ◽  
Vol 19 (4) ◽  
pp. 38-46
Author(s):  
Manar S. Toman ◽  
Sameer Hassan Al-nesrawy
Keyword(s):  
Electrical Conductivity ◽  
Dielectric Constant ◽  
Electrical Properties ◽  
Dielectric Loss ◽  
Electric Field ◽  
Lead Oxide ◽  
Optical Microscope ◽  
Structural And Electrical Properties ◽  
Oxide Concentration ◽  
Structural Aspects

This paper presents the work conducted on preparing (PbO PVA-PEG) nanocomposites through adding the different weight concentrations of lead oxide (0,1,3,5,7 wt%). The structural aspects such as optical microscope, FTIR and electrical features of nanocomposites (PVA-CMC/PbO) were examined. The resulting data shows that the dielectric constant decreased along with the decline of dielectric loss, whereas the frequency value rose while applying of an electric field. As for the electrical conductivity AC, the dielectric loss and dielectric constant of all samples rose along with the increase in lead oxide concentration.

Effect of an alternating electric field on the plasticity of NaCl single crystals

1977 ◽  
Vol 9 (1) ◽  
pp. 111-113 ◽  
Author(s):  
O. K. Tsarev ◽  
A. N. Narozhnyi ◽  
L. B. Zuev ◽  
S. A. Datsuk
Keyword(s):  
Electric Field ◽  
Single Crystals ◽  
Alternating Electric Field

Electrical properties of indium selenide single crystals

1983 ◽  
Vol 27 (4) ◽  
pp. 2429-2434 ◽  
Author(s):  
C. De Blasi ◽  
G. Micocci ◽  
A. Rizzo ◽  
A. Tepore
Keyword(s):  
Electrical Properties ◽  
Single Crystals ◽  
Indium Selenide

Inter-cluster distance dependence of electrical properties in single crystals of a mixed-valence polyoxometalate

2017 ◽  
Vol 46 (37) ◽  
pp. 12619-12624 ◽  
Author(s):  
Ryo Tsunashima ◽  
Ippei Nakamura ◽  
Rika Oue ◽  
Seiya Koga ◽  
Hirofumi Oki ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Electrical Properties ◽  
Single Crystals ◽  
Mixed Valence ◽  
Distance Dependence ◽  
Cluster Distance

Electrical conductivity of [MoV2MoVI16O54(SO3)2]6− was investigated through dependence on the inter-cluster distance controlled by tetraethylammonium, tetrapropylammonium, and tetrabutylammonium cations.

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