Artificial synapses based on electric stress induced conductance variation in vertical MoReS3 nanosheets

2021 ◽  
Vol 119 (26) ◽  
pp. 263101
Author(s):  
Jiaqing Xu ◽  
Kangmin Leng ◽  
Xiaoxiao Huang ◽  
Yunyang Ye ◽  
Junfeng Gong
Keyword(s):  
Electric Stress

Space Charge Formation by Irradiation of Visible Light in Polyimide under DC Electric Stress

2009 ◽  
Vol 129 (7) ◽  
pp. 463-469 ◽  
Author(s):  
Tomo Tadokoro ◽  
Takuo Motoyama ◽  
Hiroshi Harada ◽  
Yasuhiro Tanaka ◽  
Tastuo Takada ◽  
...  
Keyword(s):  
Visible Light ◽  
Space Charge ◽  
Charge Formation ◽  
Electric Stress

scholarly journals Resistance state evolution under constant electric stress on a MoS2 non-volatile resistive switching device

RSC Advances ◽  
2020 ◽  
Vol 10 (69) ◽  
pp. 42249-42255
Author(s):  
Xiaohan Wu ◽  
Ruijing Ge ◽  
Yifu Huang ◽  
Deji Akinwande ◽  
Jack C. Lee
Keyword(s):  
Resistive Switching ◽  
Constant Voltage ◽  
Switching Device ◽  
Current Stress ◽  
Electric Stress ◽  
State Evolution ◽  
Conductive Bridge ◽  
Resistance State ◽  
Switching Devices

Constant voltage and current stress were applied on MoS2 resistive switching devices, showing unique behaviors explained by a modified conductive-bridge-like model.

scholarly journals The Role of Electric Pressure/Stress Suppressing Pinhole Defect on Coalescence Dynamics of Electrified Droplet

Coatings ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 503
Author(s):  
Jaehyun Lee ◽  
Ehsan Esmaili ◽  
Giho Kang ◽  
Baekhoon Seong ◽  
Hosung Kang ◽  
...  
Keyword(s):  
Solid Phase ◽  
Critical Factor ◽  
Air Pressure ◽  
Conical Shape ◽  
Electric Stress ◽  
Bottom Interface ◽  
Electric Pressure ◽  
Pressure Stress ◽  
Air Film

The dimple occurs by sudden pressure inversion at the droplet’s bottom interface when a droplet collides with the same liquid-phase or different solid-phase. The air film entrapped inside the dimple is a critical factor affecting the sequential dynamics after coalescence and causing defects like the pinhole. Meanwhile, in the coalescence dynamics of an electrified droplet, the droplet’s bottom interfaces change to a conical shape, and droplet contact the substrate directly without dimple formation. In this work, the mechanism for the dimple’s suppression (interfacial change to conical shape) was studied investigating the effect of electric pressure. The electric stress acting on a droplet interface shows the nonlinear electric pressure adding to the uniform droplet pressure. This electric stress locally deforms the droplet’s bottom interface to a conical shape and consequentially enables it to overcome the air pressure beneath the droplet. The electric pressure, calculated from numerical tracking for interface and electrostatic simulation, was at least 108 times bigger than the air pressure at the center of the coalescence. This work helps toward understanding the effect of electric stress on droplet coalescence and in the optimization of conditions in solution-based techniques like printing and coating.

Electric stress grading of insulator strings

1960 ◽  
Vol 79 (8) ◽  
pp. 647-647 ◽  
Author(s):  
A. S. Denholm
Keyword(s):  
Electric Stress

scholarly journals Liquid toroidal drop under uniform electric field

2017 ◽  
Vol 473 (2202) ◽  
pp. 20160633 ◽  
Author(s):  
Michael Zabarankin
Keyword(s):  
Surface Tension ◽  
Electric Field ◽  
Dielectric Constants ◽  
Uniform Electric Field ◽  
Normal Velocity ◽  
Spherical Drop ◽  
Electric Stress ◽  
Freely Suspended ◽  
Major Radius ◽  
External Forces

The problem of a stationary liquid toroidal drop freely suspended in another fluid and subjected to an electric field uniform at infinity is addressed analytically. Taylor’s discriminating function implies that, when the phases have equal viscosities and are assumed to be slightly conducting (leaky dielectrics), a spherical drop is stationary when Q =(2 R 2 +3 R +2)/(7 R 2 ), where R and Q are ratios of the phases’ electric conductivities and dielectric constants, respectively. This condition holds for any electric capillary number, Ca E , that defines the ratio of electric stress to surface tension. Pairam and Fernández-Nieves showed experimentally that, in the absence of external forces (Ca E =0), a toroidal drop shrinks towards its centre, and, consequently, the drop can be stationary only for some Ca E >0. This work finds Q and Ca E such that, under the presence of an electric field and with equal viscosities of the phases, a toroidal drop having major radius ρ and volume 4 π /3 is qualitatively stationary—the normal velocity of the drop’s interface is minute and the interface coincides visually with a streamline. The found Q and Ca E depend on R and ρ , and for large ρ , e.g. ρ ≥3, they have simple approximations: Q ∼( R 2 + R +1)/(3 R 2 ) and Ca E ∼ 3 3 π ρ / 2   ( 6  ln  ⁡ ρ + 2  ln ⁡ [ 96 π ] − 9 ) / ( 12  ln  ⁡ ρ + 4  ln ⁡ [ 96 π ] − 17 )   ( R + 1 ) 2 / ( R − 1 ) 2 .

Diffusiophoresis of a charged drop

2018 ◽  
Vol 852 ◽  
pp. 37-59 ◽  
Author(s):  
Fan Yang ◽  
Sangwoo Shin ◽  
Howard A. Stone
Keyword(s):  
Analytical Solution ◽  
Oil Recovery ◽  
Electrolyte Solution ◽  
Solute Concentration ◽  
Solid Particles ◽  
Concentration Gradients ◽  
Charged Drop ◽  
Electric Stress ◽  
Potential Applications ◽  
Soft Objects

Diffusiophoresis describes the motion of colloids in an electrolyte or non-electrolyte solution where there is a concentration gradient. While most of the studies of diffusiophoresis focus on the motion of solid particles, soft objects such as drops and bubbles are also known to experience diffusiophoresis. Here, we investigate the diffusiophoresis of charged drops in an electrolyte solution both analytically and experimentally. The drop is assumed to remain spherical. An analytical solution of the diffusiophoretic velocity of drops is obtained by perturbation methods. We find that the flow inside the drop is driven by the tangential electric stress at the interface and it directly influences the diffusiophoretic speed of the drop. Using charged oil droplets, we measure the drop speed under solute concentration gradients and find good agreement with the analytical solution. Our findings have potential applications for oil recovery and drug delivery.

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