Relevant bibliographies by topics / Electric conductivity

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Electric conductivity'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 August 2024

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Journal articles on the topic "Electric conductivity"

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Aneli, Jimsher, Gennady Zaikov, and Omar Mukbaniani. "Electric Conductivity of Polymer Composites at Mechanical Relaxation." Chemistry & Chemical Technology 5, no. 2 (June 15, 2011): 187–90. http://dx.doi.org/10.23939/chcht05.02.187.

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Kahlweit, M., G. Busse, and J. Winkler. "Electric conductivity in microemulsions." Journal of Chemical Physics 99, no. 7 (October 1993): 5605–14. http://dx.doi.org/10.1063/1.465953.

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Rácz, P., and Z. Szüle. "Relationship between the looseness of soil and the electric conductivity." Research in Agricultural Engineering 55, No. 4 (December 7, 2009): 136–40. http://dx.doi.org/10.17221/18/2008-rae.

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The present article reports on an experiment as part of the research in the frame of which I search after the relationship between the looseness <I>L</I> of soil characterising the operating quality of the chisel-type subsoilers of a medium working depth, and the change in the electric conductivity in the soil caused by the loosening cultivation. The investigation was carried out with the help of the mobile electric-conductivity measuring device – accounted as a novelty in field-land tests – type Veris 3100 with disc electrodes, operating in field-land conditions. As the results of the investigation, the relation between the electric conductivity and looseness L of soil are presented in this article.
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Jiang, Wei Ting. "A General Model for Thermal Conductivity and Electric Conductivity of Nanofluids." Advanced Materials Research 614-615 (December 2012): 529–35. http://dx.doi.org/10.4028/www.scientific.net/amr.614-615.529.

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Nanoparticles in nanofluids are in the form of nanoparticle clusters caused by aggregation. In order to calculate the thermal and electric conductivity of the nanofluids, the growth process and three-dimensional space structure of the nanoparticle cluster in the host fluid is simulated, and then the thermal and electric conductivity of the cluster are calculated with the resistance network method. The thermal and electric conductivity of the nanofluid are calculated based on the simulated thermal and electric conductivity of nanoparticle clusters, the volume fraction of nanoparticle clusters to the nanofluid as well as the liquid molecule adsorption layer of the nanoparticle. The simulation method is validated by experimental data.
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Kazemiroodsari, Hadi, Mishac K. Yegian, Akram N. Alshawabkeh, and Seda Gokyer. "Electric Conductivity Probes to Study Change in Degree of Saturation - Bench Top Laboratory Tests." E3S Web of Conferences 195 (2020): 03016. http://dx.doi.org/10.1051/e3sconf/202019503016.

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Sand characteristics such as liquefaction susceptibility can be affected as a result of change in degree of saturation of sand. New liquefaction mitigation technique by inducing partial saturation in sands is introduced by Yegian et al in 2007[1]. This technique requires to monitor changes in degree of saturation of sand. By nature, changes in degree of saturation of sand can lead in changes in its electric conductivity. Electric conductivity is the property of a material that represents its ability to conduct electric current. Fully saturated sand can conduct electric current better than sand with lower degree of saturation. Therefore, the change in measured electric conductivity can be used to calculate the change in degree of saturation of sand. In 1942, Gus Archie [2] expressed that the electric conductivity of soil is a function of its porosity, degree of saturation, tortuosity and electric conductivity of pore fluid. Using Archie’s law electrical conductivity can be related to the degree of saturation in sands. Typically, electric conductivity probes and meters are instruments which are used to measure electric conductivity. Using electrical conductivity probes, sets of bench top tests were conducted on Ottawa sand to study the relation between degree of saturation and electric conductivity in sand. Partial saturation in sands were created by pouring dry sand into sodium percarbonate solution with a known initial concentration. By nature, sodium percarbonate in water, generates oxygen gas bubbles in time. The changes in electric conductivity in the specimen were measured using electric conductivity meters and probes. In addition, changes in degree of saturation of the specimen were measured using soil phase relations equations. Measured electric conductivity data and calculated degree of saturations were correlated to explore relation between electric conductivity and degree of saturation. This paper presents results of bench top tests, and suggests a relationship between, final degree of saturation of sand and initial concentration of sodium percarbonate solution
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Рудяк, В. Я., А. В. Минаков, and М. И. Пряжников. "Электропроводность наножидкостей с металлическими частицами." Письма в журнал технической физики 45, no. 9 (2019): 36. http://dx.doi.org/10.21883/pjtf.2019.09.47712.17720.

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AbstractThe electric conductivity is experimentally studied in nanofluids based on water and ethylene glycol containing copper and aluminum particles. Other properties, such as heat conductivity and rheological characteristics, were evaluated as well. The electric conductivity of nanofluids is shown to increase almost linearly with a nanoparticle concentration, but, unlike the heat conductivity, a gain in electric conductivity is due to a decrease in particle size. In this respect, the mechanisms of electric conductivity and heat conductivity are assumed to have the fundamentally different nature.
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Kalashnova, A. V., S. V. Plaksin, E. G. Vovkotrub, and G. Sh Shekhtman. "Electric Conductivity of Lithium Metazirconate." Russian Journal of Electrochemistry 54, no. 9 (September 2018): 709–13. http://dx.doi.org/10.1134/s1023193518090033.

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Jing-Xiang, Zhang, Li Hui, Zhang Xue-Qing, and Liew Kim-Meow. "Electric Conductivity of Phosphorus Nanowires." Chinese Physics Letters 26, no. 5 (May 2009): 056101. http://dx.doi.org/10.1088/0256-307x/26/5/056101.

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Puglisi, Armando, Salvatore Plumari, and Vincenzo Greco. "Electric Conductivity of the QGP." Journal of Physics: Conference Series 612 (May 19, 2015): 012057. http://dx.doi.org/10.1088/1742-6596/612/1/012057.

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Wang, Jingxiu. "Electric Conductivity of Lower Solar Atmosphere." International Astronomical Union Colloquium 141 (1993): 465–68. http://dx.doi.org/10.1017/s025292110002964x.

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AbstractElectric conductivity tensor of partly-ionized plasma is deduced. Four atmospheric models are used then to estimate the conductivity in the lower atmosphere. The parallel conductivity reaches its minimum value in the temperature minimum zone, which is 1 to 2 orders smaller than the conductivity of fully-ionized plasmas of the same condition; the effective perpendicular conductivity, or Cowling conductivity, becomes 5 to 6 orders smaller than the fully-ionized value in the lower chromosphere.
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Dissertations / Theses on the topic "Electric conductivity"

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Shegelski, Mark Raymond Alphonse. "Hopping conductivity in lightly doped semiconductors." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/27529.

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In lightly doped semiconductors (LDSs), electrons can exist in localized states around impurities and dc electronic conduction can occur by electrons hopping between localized states. Such hopping is the dominant mechanism for conduction if the temperature is so low that the contribution from band electrons is negligible. According to theories of hopping conduction, at low enough temperature T, the conductivity σ will be o=σ₀e⁻(T₀/T)¼ where T₀ is a temperature which depends on the material. Experimental work on doped semiconductors which exhibits this form of σ is scarce. Recently, however, conductivities which were clearly of this form were reported for lightly doped n-GaAs and lightly doped n-InP. The experimental results were surprising in that the temperature ranges were well above, and the T₀ values well below, the limits set by the theories. To understand these experimental results, hopping in LDSs is modelled in this dissertation using a resistor network. This dissertation is unique in that the conductivity of the unabridged resistor network is examined in a temperature range (called "the high temperature regime") where kT is comparable to the spread ∆ε in the energies of localized electrons. A numerical simulation is performed and an analytic theory based on percolation methods is presented. In this dissertation, an analytic approach is developed for the first time for studying how, in the high temperature regime, the conductivity of the unabridged resistor network depends on the density of localized states. It is found that, in either two or three dimensions, if the density of states is flat, σ is of the activated form o=σ₀e ⁻εa/kt. The activation energies are found to be εa=0.28∆ε in two dimensions and εa =0.20∆ε in three dimensions. These values are considerable improvements over the estimates of previous workers, who used the low temperature asymptotic form of the resistance in the high temperature regime. It is also revealed that σ can be o=µσ₀e ⁻(T₀/T)¼ in the high temperature regime if the density of states decreases with |ε⁻µ₀| for energy e far enough away from the zero temperature chemical potential µ₀, These results are in accord with the experimental results described above.
Science, Faculty of
Physics and Astronomy, Department of
Graduate
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Fung, Sing Chor. "Conductivity fluctuations in yttrium barium cooper oxides." HKBU Institutional Repository, 1994. http://repository.hkbu.edu.hk/etd_ra/34.

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Li, Haiying. "Study of thermally reworkable epoxy materials and thermal conductivity enhancement using carbon fiber for electronics packaging." Diss., Available online, Georgia Institute of Technology, 2004:, 2003. http://etd.gatech.edu/theses/available/etd-04062004-164718/unrestricted/li%5Fhaiying%5F200312%5Fphd.pdf.

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Oh, Tae-il. "Electrical conductivity and related defect structures in reduced rutile." Full text open access at:, 1985. http://content.ohsu.edu/u?/etd,90.

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Allen, David Andrew. "Electrical conductivity imaging of aquifers connected to watercourses : a thesis focused on the Murray Darling Basin, Australia." University of Technology, Sydney. Faculty of Science, 2007. http://hdl.handle.net/2100/428.

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Electrical imaging of groundwater that interacts with surface watercourses provides detail on the extent of intervention needed to accurately manage both resources. It is particularly important where one resource is saline or otherwise polluted, where spatial quantification of the interacting resources is critical to water use planning and where losses from surface waterways need to be minimized in order to transport water long distances. Geo-electric arrays or transient electromagnetic devices can be towed along watercourses to image electrical conductivity (EC) at multiple depths within and beneath those watercourses. It has been found that in such environments, EC is typically related primarily to groundwater salinity and secondarily to clay content. Submerged geo-electric arrays can detect detailed canal-bottom variations if correctly designed. Floating arrays pass obstacles easily and are good for surveying constricted rivers and canals. Transient electromagnetic devices detect saline features clearly but have inferior ability to detect fine changes just below beds of watercourses. All require that water depth be measured by sonar or pressure sensors for successful elimination of effects of the water layer on the data. The meandering paths of rivers and canals, combined with the sheer volume of data typically acquired in waterborne surveys, results in a geo-referencing dilemma that cannot be accommodated using either 2D imaging or 3D voxel imaging. Because of this, software was developed by the author which allows users to view vertical section images wrapped along meandering paths in 3D space so that they resemble ribbons. Geo-electric arrays suitable for simultaneous imaging of both shallow and deep strata need exponentially spread receiver electrodes and elongated transmitter electrodes. In order to design and facilitate such arrays, signed monopole notation for arrays with iv segmented elongated electrodes was developed. The new notation greatly simplified generalized geo-electric array equations and led to processing efficiency. It was used in the development of new array design software and automated inversion software including a new technique for stable inversion of datasets including data with values below noise level. The Allen Exponential Bipole (AXB) array configuration was defined as a collinear arrangement of 2 elongated transmitter electrodes followed by receiver electrodes spaced exponentially from the end of the second transmitter electrode. A method for constructing such geo-electric arrays for use in rivers and canals was developed and the resulting equipment was refined during the creation of an extensive set of EC imaging case studies distributed across canals and rivers of the Australian Murray- Darling Basin. Man made and natural variations in aquifers connected to those canals and rivers have been clearly and precisely identified in more than 1000 kilometres of EC imagery.
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Santiago, Claudia. "Resistivity and conductivity studies of the Rattlesnake Springs, New Mexico watershed." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2009. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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Ray, Nicolas [Verfasser], and Oleg [Gutachter] Pankratov. "Phonon-induced electron scattering and electric conductivity in twisted bilayer graphene / Nicolas Ray ; Gutachter: Oleg Pankratov." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2018. http://d-nb.info/1152078976/34.

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Crawford, Charles. "Transverse Thermoelectric Effect." ScholarWorks@UNO, 2014. http://scholarworks.uno.edu/td/1866.

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Anisotropic thermoelectric effects can be measured in certain materials. Anisotropy can also be simulated using a repeated, layered structure of two materials cut at an angle. Various aspect ratios and angles of inclination are investigated in device geometry in order to maximize the thermopower. Eddy currents have been shown to occur in thermoelectric devices, and evidence of these currents are revealed in finite element analysis of the artificially synthesized anisotropic Peltier effect.
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FIGUEROA, FRANCISCO RAMON. "MONOMERS, POLYMERS AND CHARGE-TRANSFER COMPLEXES OF DITHIAFULVENES AND POLYMERS FROM 4,4'-SULFONYL DIPHENOL (2-BENZYLIDENE, 1,3-DITHIOLES, 1,3-DITHIOLIUM)." Diss., The University of Arizona, 1986. http://hdl.handle.net/10150/183817.

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Monomers, polymers, charge-transfer complexes of 2-benzylidene-1,3-dithioles (Dithiafulvenes), and 1,3-dithiolium (Dithiafulvenium) salts of dithioesters and poly(dithioesters) were synthesized. The infrared, nuclear magnetic resonance (NMR) and ultra violet spectra of these materials were also reported. Condensation polymerization of piperidinium tetrathio terephthalate with α-halocarbonyl compounds using phase-transfer techniques yielded poly(dithioesters) that upon dehydrative cyclization with sulfuric acid gave poly(1,3-dithiafulvenium) salts. Polymerization of substituted dithiafulvenes with diacid chlorides, p-phenylene diisocyanate or terephthalaldehyde yielded polymers with inherent viscosities of 0.10 dL/g to 0.21 dL/g. The electric resistivity of the charge-transfer complexes of several dithiafulvenes and the electron donors TCNQ and TNF measured by the two-probe method was found to be >10⁶ Ω.cm at room temperature, hence behaving like insulators. Polyesters and polyesterimides of 4,4'-sulfonyl diphenol were synthesized. The low molecular weight polymers had viscosities of 0.12 to 0.20 dL/g. The polymers formed brittle films and their IR and NMR spectra were reported.
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Miller, Darren A. "The ionic conductivity of p(2-hydroxyethyl methacrylate) hydrogels /." Title page, contents and summary only, 1995. http://web4.library.adelaide.edu.au/theses/09PH/09phm6483.pdf.

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Books on the topic "Electric conductivity"

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1926-, Campbell Wallace H., ed. Deep earth electrical conductivity. Basel: Birkhäuser Verlag, 1990.

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D, Janezic Michael, and Electronics and Electrical Engineering Laboratory (National Institute of Standards and Technology), eds. DC conductivity measurements of metals. [Boulder, Colo.]: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 2004.

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Berryman, Roy A. Electrical conductivity in liquid calcium silicates. Toronto, Ont: University of Toronto, 1988.

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International, Conference on Conduction and Breakdown in Dielectric Liquids (10th 1990 Grenoble France). Conference record. [New York]: IEEE, 1990.

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International Conference on Conduction and Breakdown in Dielectric Liquids (10th 1990 Grenoble, France). Conference record: Tenth International Conference on Conduction and Breakdown in Dielectric Liquids, Grenoble, France, 10-14 September 1990. [New York]: Institute of Electrical and Electronics Engineers, 1990.

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Yamaguchi, Satoru. Jishin hasseiiki oyobi sono shūhen no denki dendōdo kōzō no kenkyū. [Uji-shi]: Kyōto Daigaku Bōsai Kenkyūjo, 2003.

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Semenkovich, S. A. Termodinamicheskiĭ potent͡s︡ial i ėnergii͡a︡ aktivat͡s︡ii sobstvennoĭ provodimosti v poluprovodnikovykh soedinenii͡a︡kh. Ashgabat: Ylym, 1992.

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Simpson, James G. Common sense conduit bending and cable tray techniques. Albany: Delmar Publishers, 1996.

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R, Knabe, and United States. National Aeronautics and Space Administration., eds. Electrical conductivity and phase diagram of binary alloys. Washington DC: National Aeronautics and Space Administration, 1985.

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International, Conference on Conduction and Breakdown in Solid Dielectrics (5th 1995 Leicester England). Proceedings of the 1995 IEEE 5th International Conference on Conduction and Breakdown in Solid Dielectrics: Leicester, England, July 10-13, 1995. Piscataway, NJ: IEEE, 1995.

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Book chapters on the topic "Electric conductivity"

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Lvov, Serguei N. "Electric Conductivity." In Introduction to Electrochemical Science and Engineering, 57–89. 2nd ed. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9781315296852-3.

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Voigt, T., U. Katscher, C. Findeklee, and O. Doessel. "Imaging Electric Conductivity with MRI." In IFMBE Proceedings, 42–45. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03879-2_13.

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Saito, Gunzi. "Electric Conductivity and Magnetic Ionic Liquids." In Electrochemical Aspects of Ionic Liquids, 337–46. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118003350.ch24.

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Saito, Gunzi. "Electric Conductivity and Magnetic Ionic Liquids." In Electrochemical Aspects of Ionic Liquids, 277–85. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2005. http://dx.doi.org/10.1002/0471762512.ch23.

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Apollonov, Victor. "Electric-Discharge Guiding by a Continuous Laser-Induced Spark." In High-Conductivity Channels in Space, 3–14. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-02952-4_1.

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Riel, Stefanie, Mohammad Bashiri, Werner Hemmert, and Siwei Bai. "Computational Models of Brain Stimulation with Tractography Analysis." In Brain and Human Body Modeling 2020, 101–17. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-45623-8_6.

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AbstractComputational human head models have been used in studies of brain stimulation. These models have been able to provide useful information that can’t be acquired or difficult to acquire from experimental or imaging studies. However, most of these models are purely volume conductor models that overlooked the electric excitability of axons in the white matter of the brain. We hereby combined a finite element (FE) model of electroconvulsive therapy (ECT) with a whole-brain tractography analysis as well as the cable theory of neuronal excitation. We have reconstructed a whole-brain tractogram with 2000 neural fibres from diffusion-weighted magnetic resonance scans and extracted the information on electrical potential from the FE ECT model of the same head. Two different electrode placements and three different white matter conductivity settings were simulated and compared. We calculated the electric field and second spatial derivatives of the electrical potential along the fibre direction, which describes the activating function for homogenous axons, and investigated sensitive regions of white matter activation. Models with anisotropic white matter conductivity yielded the most distinctive electric field and activating function distribution. Activation was most likely to appear in regions between the electrodes where the electric potential gradient is most pronounced.
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Fernandes, Sofia R., Mariana Pereira, Sherif M. Elbasiouny, Yasin Y. Dhaher, Mamede de Carvalho, and Pedro C. Miranda. "Interplay Between Electrical Conductivity of Tissues and Position of Electrodes in Transcutaneous Spinal Direct Current Stimulation (tsDCS)." In Brain and Human Body Modelling 2021, 101–22. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-15451-5_7.

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AbstractTranscutaneous Spinal Direct Current Stimulation (tsDCS) is a neuromodulatory technique that applies low intensity (2–4 mA) direct currents to the spinal cord through electrodes placed above or near the vertebral column. As in transcranial electric stimulation, tsDCS induces an electric field in the spinal cord that can transiently change the transmembrane potential of spinal neurons or influence synaptic communication. Anatomical features near the electrodes or in the current path can originate local variations of the electric field magnitude and orientation that result in different effects generated at neuronal and synaptic level. Accurate realistic models of the spinal cord and surrounding tissues can provide a deeper understanding on how and why these variations occur.Our research aims at studying how electrode placement interacts with electrical conductivities of the tissues located in the current path. Using a realistic human model of the spinal cord and surrounding tissues, we estimated the electric field induced by tsDCS, considering different combinations of electrode positions and electrical conductivity of relevant tissues. Our study started from a homogeneous conductivity paradigm up to a full heterogeneous model. The results show that electrode placement influences the electric field orientation, while the conductivities of vertebral bone and CSF can lead to local electric field hotspots in spinal segments located in the current path. Understanding the interplay between these two effects can provide a solid framework to target specific spinal circuits in terms of magnitude and field orientation towards a more personalized approach.
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Cheng, Jin, Mourad Choulli, and Shuai Lu. "An Inverse Conductivity Problem in Multifrequency Electric Impedance Tomography." In Springer Proceedings in Mathematics & Statistics, 3–30. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-1592-7_1.

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Selyakov, V. I., and V. V. Kadet. "Changing Conductivity and Pore Space Structure with Electric Current. Experiments." In Percolation Models for Transport in Porous Media, 157–66. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-015-8626-9_10.

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Rycroft, Michael J., R. Giles Harrison, Keri A. Nicoll, and Evgeny A. Mareev. "An Overview of Earth’s Global Electric Circuit and Atmospheric Conductivity." In Space Sciences Series of ISSI, 83–105. New York, NY: Springer New York, 2008. http://dx.doi.org/10.1007/978-0-387-87664-1_6.

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Conference papers on the topic "Electric conductivity"

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Hubbard, William A. "Mapping Conductivity and Electric Field in an AlGaAs HEMT with STEM EBIC." In ISTFA 2023. ASM International, 2023. http://dx.doi.org/10.31399/asm.cp.istfa2023p0384.

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Abstract The operation of modern semiconductor components often relies on nanoscale electronic features emerging from complicated device architectures with finely tuned composition. While the physical structure of these devices may be straightforward to image, the resulting electronic characteristics are invisible to most high-resolution imaging techniques. Here we present electron beam-induced (EBIC) imaging in the scanning transmission electron microscope (STEM) as a high-resolution imaging technique with electronic-based contrast for characterizing complex semiconductor devices. Here, as an example case, we discuss the preparation and imaging of a STEM EBIC-compatible cross section extracted from a commercial AlGaAs high electron-mobility transistor (HEMT). The device exhibits low surface leakage, as measured via electrical testing and STEM EBIC conductivity contrast. The EBIC signal in the active layer of the device is mostly confined to the InGaAs channel, indicating that the electronic structure is largely preserved following sample preparation.
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HASHIMOTO, YUICHI, KUNIHARU IJIRO, TETSURO SAWADAISHI, and MASATSUGU SHIMOMURA. "ELECTRIC CONDUCTIVITY OF NUCLEIC ACID POLYMER MONOLAYER." In Proceedings of the Asian Symposium on Nanotechnology and Nanoscience 2002. WORLD SCIENTIFIC, 2003. http://dx.doi.org/10.1142/9789812796714_0058.

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Ding, Guo-Liang, Wei-Ting Jiang, and Yi-Feng Gao. "A Prediction Method for Thermal Conductivity and Electric Conductivity of Nanofluids Based on Particles Aggregation Theory." In 2007 First International Conference on Integration and Commercialization of Micro and Nanosystems. ASMEDC, 2007. http://dx.doi.org/10.1115/mnc2007-21195.

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Nanoparticles in nanofluids are in the form of nanoparticle clusters caused by aggregation. In order to calculate the thermal and electric conductivities of the nanofluids, the growth process and three-dimensional space structure of the nanoparticle cluster in the host fluid was simulated, and then the thermal and electric conductivities of the cluster were calculated with the resistance network method. The thermal and electric conductivities of the nanofluid were calculated based on the simulated thermal and electric conductivities of nanoparticle clusters, the volume fraction of nanoparticle clusters to the nanofluid as well as the liquid molecule adsorption layer of the nanoparticle. The simulation method was validated by experimental data.
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Dai, Min. "Electric conductivity of magnetic fluid at ordinary temperature." In 2018 International Conference on Electronics Technology (ICET). IEEE, 2018. http://dx.doi.org/10.1109/eltech.2018.8401441.

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Lynch, W. A., and N. A. Sondergaard. "Liquid Additives to Improve Conductivity in Electric Contacts." In 2009 Proceedings of the 55th IEEE Holm Conference on Electrical Contacts. IEEE, 2009. http://dx.doi.org/10.1109/holm.2009.5284418.

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Brocard, F., L. Firlej, A. Zahab, and P. Bernis. "Electric conductivity in C/sub 70/ thin films." In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.835579.

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Dubey, Kaushlendra, Amit Gupta, and Supreet Singh Bahga. "Electrokinetic Dispersion in Field Amplified Sample Stacking." In ASME 2018 16th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icnmm2018-7703.

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In this work, we performed an experimental study of electrohydrodynamic effects on the dispersion of sample ions in field amplified sample stacking (FASS). A typical FASS experiment involves a streamwise electrical conductivity gradient collinear to the applied electric field to enhance the sample stacking. Earlier studies on FASS have focused on how the conductivity gradient sets a non-uniform electro-osmotic flow which causes the dispersion. However, the coupling of the electric field with conductivity gradient leads to a destabilizing electric body force and generates unstable flow. This work demonstrates that generated body force influences the dynamics of FASS. We present a scaling analysis to show that at high fields, electrohydrodynamic effects play a vital role in sample dispersion. To justify our scaling arguments, we performed experiments at varied electric fields which shows that at high electric fields maximum concentration enhancement is lowered significantly. To ensure the EHD effects on the dynamics of FASS, we have also performed experiments with suppressed EOF conditions.
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Fortov, V. E. "Abnormal Electric Conductivity of Lithium at High Dynamic Pressure." In Shock Compression of Condensed Matter - 2001: 12th APS Topical Conference. AIP, 2002. http://dx.doi.org/10.1063/1.1483524.

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Briashko, N. V. "Investigation of deep electric conductivity of the Sivas through." In 17th International Conference on Geoinformatics - Theoretical and Applied Aspects. Netherlands: EAGE Publications BV, 2018. http://dx.doi.org/10.3997/2214-4609.201801787.

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Yamato, M., T. Kimura, and E. Ito. "Change of electric conductivity of polyacetylene by uniaxial drawing." In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.834862.

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Reports on the topic "Electric conductivity"

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Chang, C. S. Tokamak electrical conductivity modified by electrostatic trapping in the applied electric field. Office of Scientific and Technical Information (OSTI), July 1989. http://dx.doi.org/10.2172/6058938.

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Perdomo and Payer. L51736 Chemical and Electrochemical Conditions on Steel at Disbonded Coatings. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), June 1995. http://dx.doi.org/10.55274/r0010266.

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The objective of this research was to study the effects of cathodic protection at coating holidays and associated areas of disbondment through simultaneous determination of the electro-chemical reactions and chemical changes taking place in the environment adjacent to the steel substrate. Primary parameters of interest were applied potential, solution conductivity, pH oxygen in solution. The experimental plan was comprised of six interrelated studies involving both laboratory simulations and modeling. It was found that an effective CP system provides sufficient current flow at the exposed steel surface to modify the ground water in the immediate environment by lowering soluble oxygen levels and increasing its alkalinity. Further, corrosion protection is achieved in the shielded areas under the disbonded coating where current flow is minimal, through this chemical modification of the aqueous environment, and it is not necessary that current flow into all of the disbonded region. Three conditions of import to pipeline corrosion protection were also simulated in this investigation. Chemical environment and electric potential distribution within disbond regions were measured for the affects of interruption and reapplication of current; the occurrence of wet/dry cycles at the holiday and the presence of prior corrosion products.
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Zhang, X. G., and W. H. Butler. Calculation of electrical conductivity and giant magnetoresistance within the free electron model. Office of Scientific and Technical Information (OSTI), December 1995. http://dx.doi.org/10.2172/195732.

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Bauer, R., W. Windl, L. Collins, J. Kress, and I. Kwon. Electrical conductivity of compressed argon. Office of Scientific and Technical Information (OSTI), October 1997. http://dx.doi.org/10.2172/642761.

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Jones, Robert M., Alison K. Thurston, Robyn A. Barbato, and Eftihia V. Barnes. Evaluating the Conductive Properties of Melanin-Producing Fungus, Curvularia lunata, after Copper Doping. Engineer Research and Development Center (U.S.), November 2020. http://dx.doi.org/10.21079/11681/38641.

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Melanins are pigmented biomacromolecules found throughout all domains of life. Of melanins’ many unique properties, their malleable electrically conductive properties and their ability to chelate could allow them to serve as material for bioelectronics. Studies have shown that sheets or pellets of melanin conduct low levels of electricity; however, electrical conductance of melanin within a cellular context has not been thoroughly investigated. In addition, given the chelating properties of melanin, it is possible that introducing traditionally con-ductive metal ions could improve the conductivity. Therefore, this study investigated the conductive properties of melanized cells and how metal ions change these. We measured the con-ductivity of pulverized Curvularia lunata, a melanized filamentous fungi, with and without the addition of copper ions. We then com-pared the conductivity measurements of the fungus to chemically synthesized, commercially bought melanin. Our data showed that the conductivity of the melanized fungal biomass was an order of magnitude higher when grown in the presence of copper. However, it was two orders of magnitude less than that of synthetic melanin. Interestingly, conductance was measurable despite additional constituents in the pellet that may inhibit conductivity. Therefore, these data show promising results for using melanized cells to carry electrical signals.
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ESA, ESA EOP-SM, and NASA SMD NASA. Exploring Earth’s Interface with Space – The Scientific Case for a Satellite Mission to the Lower Thermosphere-Ionosphere Transition Region. ESA, July 2024. http://dx.doi.org/10.5270/esa-nasa.lti-sc.2024-07-v1.0.

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Exploring Earth’s Interface with Space – The Scientific Case for a Satellite Mission to the Lower Thermosphere-Ionosphere Transition Region SUMMARY This report describes the scientific case for a mission concept to study the Earth’s Lower Thermosphere-Ionosphere – the LTI – which is the interface region between our atmosphere and space. The LTI is situated at altitudes between 100-200 km and is uniquely characterized by complex interactions between the co-existing neutral and ionized gases. The LTI receives and dissipates hundreds of gigajoules of energy every second from above due to solar wind interactions with our planet’s magnetosphere. Simultaneously, this region continuously receives energy and momentum input from below in the form of tides and gravity waves originating in the lower and middle atmosphere as well as impulsive input from thunderstorms, volcanoes, and earthquakes, whose energy content rivals that provided by the magnetosphere. The LTI responds dramatically to all of these driving forces producing large variations in many key properties, such as neutral and plasma number densities, motions, temperatures, and composition, as well as electric fields, conductivity, and currents. Importantly, the LTI also acts as a critical interface that subsequently regulates this energy transfer from the magnetosphere above and from the neutral atmosphere below.
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Ratner, M. A., and D. F. Shriver. Mixed ionic and electronic conductivity in polymers. Office of Scientific and Technical Information (OSTI), July 1992. http://dx.doi.org/10.2172/7115685.

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Vunni, George B., and Alan W. DeSilva. Electrical Conductivity Measurement of Nonideal Carbon Plasma. Fort Belvoir, VA: Defense Technical Information Center, August 2008. http://dx.doi.org/10.21236/ada486941.

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Shriver, D. F. Mixed ionic and electronic conductivity in polymers. Office of Scientific and Technical Information (OSTI), June 1990. http://dx.doi.org/10.2172/5927982.

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Ratner, M. A., and D. F. Shriver. Mixed-ionic and electronic conductivity in polymers. Office of Scientific and Technical Information (OSTI), January 1991. http://dx.doi.org/10.2172/6066831.

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