Results 41 to 50 of about 121,125 (216)

Giant dielectric permittivity in ferroelectric thin films : domain wall ping pong

, 2015
This study was supported by the National Key Basic Research Program of China (No. 2014CB921004), the National Natural Science Foundation of China (Nos.
Scott, James Floyd, Wei Zhang, D., Seong Hwang, C., Jian Meng, X., Hyuk Park, M., Jin Kim, Y., Quan Jiang, A., Yoo, S.   +7 more
core   +1 more source

Temperature Dependence of the Dielectric Constant on the Lunar Surface Based on Mini-RF and Diviner Observations

Geosciences
Radar observation is an effective way to understand subsurface structures in terms of the dielectric constant, whose controlling factors include chemical composition, packing density, and water/ice content.
Chenhao Sun, Hideaki Miyamoto, Makito Kobayashi   +2 more
doaj   +1 more source

Mineral Soil Texture–Land Cover Dependency on Microwave Dielectric Models in an Arid Environment

Land, 2020
In this study, we measured and characterized the relative dielectric constant of mineral soils over the 0.3−3.0 frequency range, and compared our measurements with values of three dielectric constant simulation models (the Wang, Dobson, and Mironov
Saeid Gharechelou, Ryutaro Tateishi, Brian A. Johnson   +2 more
doaj   +1 more source

Resonant cavity method for broadband dielectric measurements [PDF]

, 1987
The project investigates the Cavity Perturbation Method (CRM) and design of a coaxial resonator covering a wide frequency band from 2.5 to 11.5 GHz. Using the published analyses for coaxial cavities, original theoretical analysis of Cavity Perturbation ...
Muhammad-Ahmad, Makki El-Tayyid
core  

Experimental investigation of dielectric properties of seasonal snow at field observatories in the northwest Himalaya

Annals of Glaciology, 2016
Radio-echo sounding techniques are very useful for fast profiling of seasonal snowpack. Ground-penetrating radar (GPR) is used widely for various cryospheric applications, such as snow/glacier depth estimation, snow layer identification and snow water ...
Kamal K. Singh, Ashavani Kumar, Anil V. Kulkarni, Prem Datt, Sanjay K. Dewali, Manoj Kumar   +5 more
doaj   +1 more source

Ultrashort electric pulse induced changes in cellular dielectric properties

, 2007
The interaction of nanosecond duration pulsed electric fields (nsPEFs) with biological cells, and the models describing this behavior, depend critically on the electrical properties of the cells being pulsed.
Kolb, J K, Joshi, R P, Sridhara, V, Viswanadham Sridhara, Swanson, R J, Stephen J. Beebe, R. James Swanson, Chen, George, Schoenbach, K H, Juergen F. Kolb, Karl H. Schoenbach, Allen L. Garner, Ravindra P. Joshi, Garner, Allen, Chen, N, George Chen, Beebe, S J, Nianyong Chen   +17 more
core   +1 more source

Flexible and Transparent High-Dielectric-Constant Polymer Films Based on Molecular Ferroelectric-Modified Poly(Vinyl Alcohol)

, 2020
Organic ferroelectrics with high dielectric constant have received substantial attention for sustainable and flexible energy storage. Here, we report a high-κ dielectric, optically transparent, mechanically strong and flexible dielectric polymer produced
Ximin He (1988278), Yunyun Yang, Yucheng Zhang (136327), Yusen Zhao (4174402), Zekun Nie (8641143), Zekun Nie, Mutian Hua, Jun Liu, Ximin He, Yucheng Zhang, Yusen Zhao, Jun Ma (9393), Yunyun Yang (1517491), Xufu Cai (8641146), Jun Ma, Xufu Cai, Jun Liu (42548), Mutian Hua (1471603)   +17 more
core   +1 more source

Effect of Dielectric Layer on Miniaturized Patch Antenna Sensor

Sensors
Miniature patch antenna sensors have great potential in the field of structural health monitoring for crack propagation detection due to their small size and high sensitivity.
Caifeng Chen, Lei Zou, Chenglong Bi, Andong Wang   +3 more
doaj   +1 more source

A numerical study for dielectric constant profile of aqueous solvent in ionic solution radiated by high-intensity electric pulses

AIP Advances, 2018
In this paper, a mathematical physics model is set up to study dielectric constant profile of aqueous solvent in ionic solution, to revise Brownian dynamics simulation in ionic solution by considering time-variant dielectric constant profile with change ...
Wenfei Bo, Jingchao Tang, Yang Yang, Jialu Ma, Qi Huang, Lianghao Guo, Zhanliang Wang, Zhe Wu, Baoqing Zeng, Yubin Gong   +9 more
doaj   +1 more source

TRANSMISSION LINE THEORY BASED TWO LAYER MODEL FOR DETERMINING SOIL MOISTURE [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
Present paper deals with the task of estimating soil moisture under vegetation cover by using transmission line theory based two layer model. The two layer model measures the impedance of both the layers namely, soil and vegetation.
P. Mishra, D. Singh
doaj   +1 more source