Academic literature on the topic 'Electrical conductivity'
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Journal articles on the topic "Electrical conductivity"
Tamasan, A., and A. Timonov. "COUPLED PHYSICS ELECTRICAL CONDUCTIVITY IMAGING." Eurasian Journal of Mathematical and Computer Applications 2, no. 1 (2014): 5–29. http://dx.doi.org/10.32523/2306-3172-2014-2-2-5-29.
Full textTamasan, A., and A. Timonov. "COUPLED PHYSICS ELECTRICAL CONDUCTIVITY IMAGING." Eurasian Journal of Mathematical and Computer Applications 2, no. 3 (2014): 5–29. http://dx.doi.org/10.32523/2306-3172-2014-2-3-5-29.
Full textRomano, Claudia, Brent T. Poe, James Tyburczy, and Fabrizio Nestola. "Electrical conductivity of hydrous wadsleyite." European Journal of Mineralogy 21, no. 3 (June 29, 2009): 615–22. http://dx.doi.org/10.1127/0935-1221/2009/0021-1933.
Full textZhanabaev, Z. Zh, T. Yu Grevtseva, and M. K. Ibraimov. "Electrical conductivity of silicon quantum nanowires." Physical Sciences and Technology 2, no. 1 (2015): 37–43. http://dx.doi.org/10.26577/2409-6121-2015-2-1-37-43.
Full textSATO, MASA-AKI. "Electrical Conductivity." Sen'i Gakkaishi 44, no. 9 (1988): P328—P329. http://dx.doi.org/10.2115/fiber.44.9_p328.
Full textHershey, David R., and Susan Sand. "Electrical Conductivity." Science Activities: Classroom Projects and Curriculum Ideas 30, no. 1 (March 1993): 32–35. http://dx.doi.org/10.1080/00368121.1993.10113079.
Full textOno, Shigeaki, and Kenji Mibe. "Electrical conductivity of aragonite in the subducted slab." European Journal of Mineralogy 25, no. 1 (February 11, 2013): 11–15. http://dx.doi.org/10.1127/0935-1221/2013/0025-2254.
Full textInstitut Förster GmbH & Co. "Electrical conductivity measurement." NDT & E International 24, no. 1 (February 1991): 61. http://dx.doi.org/10.1016/0963-8695(91)90813-i.
Full textManzano-Ramirez, A., E. Nava-Vazquez, and J. Gonzalez-Hernandez. "Electrical conductivity and." Metallurgical Transactions A 24, no. 10 (October 1993): 2358. http://dx.doi.org/10.1007/bf02648607.
Full textNishchenko, M. M., H. Yu Mykhailova, G. P. Prikhodko, M. M. Dashevskyi, and O. I. Nakonechna. "Peculiarities of Electrical Conductivity of Metal/Carbon Nanotubes Array." METALLOFIZIKA I NOVEISHIE TEKHNOLOGII 40, no. 6 (October 24, 2018): 749–58. http://dx.doi.org/10.15407/mfint.40.06.0749.
Full textDissertations / Theses on the topic "Electrical conductivity"
Zhang, Yuxi Ph D. Massachusetts Institute of Technology. "Electrospun nanofibers with tunable electrical conductivity." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/81690.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (p. 114-117).
Electrospinning is a convenient method to produce nanofibers with controlled diameters on the order of tens to hundreds of nanometers. The resulting nonwoven fiber mats are lightweight, highly porous, and have high specific surface areas around 1 to 100 m2/g. Combined with the high electrical conductivity of intrinsically conductive polymers, conductive electrospun fiber mats are promising for a variety of applications, such as multifunctional textiles, resistance-based sensors, flexible reversibly hydrophobic surfaces, organic photovoltaics, scaffolds for tissue engineering, and conductive substrates for surface functionalization and modification Intrinsically conductive polymers, such as polyaniline (PAni), however, are relatively hard to Intrinsically conductive polymers, such as polyaniline (PAni), however, are relatively hard to process compared to most other polymers. They have fairly rigid backbones due to the high aromaticity, and are usually available only in relatively low molecular weight forms, so that the elasticity of their solutions is insufficient for it to be electrospun directly into fibers. Considerable amount of recent work has been reported trying to make electrospun polymeric nanofibers with intrinsically conductive polymers or composites. However, a large fraction of the work only showed the morphology and did not characterize the actual performance of these fibers, nor did they test the variability of the fibers and mats from a wide range of processing conditions and resulting structures. Therefore, this thesis aims to make a comprehensive study of the electrical tunability of electrospun fibers with intrinsically conductive polymers and its composites, to establish a clear processing-structure-property relationship for these fibers and fiber mats, and to test the resultant fibers with the targeted applications such as gas sensing. We have first developed a reliable method to characterize fiber electrical conductivity using interdigitated electrodes (IDE) and high-impedance analyzers with contact-resistance corrections, and applied to electrospun conductive polymer nanofibers. This method was shown to be reliable and sensitive, as opposed to some of the other methods that have been reported in literature. Facing with the challenge of overcoming the relatively low elasticity of the conductive polymer solutions to achieve electrospinnability, we have fabricated electrospun fibers of PAni and poly(3,4-ethylenedioxythiophene) (PEDOT), blended with poly(ethylene oxide) (PEO) or poly(methyl methacrylate) (PMMA) over a range of compositions. Pure PAni (doped with (+)- camphor-i 0-sulfonic acid (HCSA)) fibers were successfully fabricated for the first time by co-axial electrospinning and subsequent removal of the PMMA shell by dissolution. This allowed for the pure electrospun PAni/HCSA fibers to be tested for electrical performances and its enhancement as well as gas sensing application. The conductivities of the PAni-blend fibers are found to increase exponentially with the weight percent of doped PAni in the fibers, to as high as 50 ± 30 S/cm for as-electrospun fibers of 100% PAni/HCSA. This fiber conductivity of the pure doped PAni fibers was found to increase to 130 ± 40 S/cm with increasing molecular orientation, achieved through solid state drawing. The experimental results thus support the idea that enhanced molecular alignment within electrospun fibers, both during the electrospinning process and subsequent post-treatment, contributes positively to increasing electrical conductivity of conductive polymers. Using a model that accounts for the effects of intrinsic fiber conductivity (including both composition and molecular orientation), mat porosity, and the fiber orientation distribution within the mat, calculated mat conductivities are obtained in quantitative agreement with the mat conductivities measured experimentally. This correlation, along with the reliable method of fiber conductivity measurement by IDE, presents a way to resolve some of the inconsistencies in the literature about reporting electrical conductivity values of electrospun fibers and fiber mats. Pure PAni fibers with different levels of doping were also fabricated by co-axial electrospinning and subsequent removal of the shell by dissolution, and shown to exhibit a large range of fiber electrical conductivities, increasing exponentially with increasing ratio of dopant to PAni. These fibers are found to be very effective nanoscale chemiresistive sensors for both ammonia and nitrogen dioxide gases, thanks to this large range of available electrical conductivities. Both sensitivity and response times are shown to be excellent, with response ratios up to 58 for doped PAni sensing of ammonia and up to more than 105 for nitrogen dioxide sensing by undoped PAni fibers. The characteristic times for the gas sensing are shown to be on the order of 1 to 2 minutes. We have also developed a generic time-dependent reaction-diffusion model that accounts for reaction kinetics, reaction equilibrium, and diffusivity parameters, and show that the model can be used to extract parameters from experimental results and used to predict and optimize the gas sensing of fibers under different constraints without the need to repeat experiments under different fiber and gas conditions.
by Yuxi Zhang.
Ph.D.
Kim, Yeon Seok. "Electrical conductivity of segregated network polymer nanocomposites." [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1880.
Full textFisher, Craig Andrew James. "Electrical conductivity of brownmillerite-structured oxide ceramics." Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318598.
Full textTibaldi, Pier Silvio. "Self-Assembly and Electrical Conductivity of Colloids." Thesis, Uppsala universitet, Materialfysik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-272198.
Full textHundermark, Rodney. "The electrical conductivity of melter type slags." Master's thesis, University of Cape Town, 2003. http://hdl.handle.net/11427/5316.
Full textThis thesis details an investigation into the factors affecting the electrical conductivity of slags containing some or all of the following components: Ah03, cae, Cr203, FeOx, MgO and Si02. The interest in the electrical properties of these slags originated from problems being experienced in the electrical control of the melter type furnaces of the platinum producers in South Africa. A large amount of literature on the electrical conductivity of slags was collected and analysed. The key research areas identified through the literature review were: the effect of iron oxide on slag conductivity in terms of ionic and electronic mechanisms, the effect of oxidation state on the conductivity of iron-containing slags and the effect of chromium on the electrical conductivity of melter type slags. Measurements of the electrical conductivities of various slags were conducted in order to gain an understanding of these effects.
Su, Bin. "Electrical, thermomechanical and reliability modeling of electrically conductive adhesives." Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-12192005-124641/.
Full textQu, Jianmin, Committee Chair ; Baldwin, Daniel, Committee Member ; Wong, C. P., Committee Member ; Sitaraman, Suresh, Committee Member ; Jacob, Karl, Committee Member.
Spurio, Eleonora. "Electrical conductivity of single Be-doped GaAs nanowires." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/19295/.
Full textJasbinschek, dos Reis Pinheiro Katia. "Mantle electrical conductivity estimates from geomagnetic jerk observations /." Zürich : ETH, 2009. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=18259.
Full textOzkan, Koray Ozdal. "Multi-frequency Electrical Conductivity Imaging Via Contactless Measurements." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607071/index.pdf.
Full textone is for the single frequency measurements and the other is for the multi-frequency measurements. Geometrically the coils are same, the only difference between them is the radius of the wires wound on them. The sensor consists of two differentially connected identical receiver coils employed to measure secondary field and in between the receiver coils is placed a transmitter coil, which creates the primary field. The coils are coaxial. In the prototype system the transmitter coil is driven by a sinusoidal current of 300 mA (peak) at 50 kHz. In the multi-frequency system the transmitter coil is driven by a sinusoidal current of 217 mA (peak), 318 mA (peak), 219 mA (peak) and 211 mA (peak) at 30 kHz, 50 kHz, 60 kHz and 90 kHz, respectively. A data acquisition card (DAcC) is designed and constructed on a printed circuit board (PCB) for phase sensitive detection (PSD). The equivalent input noise voltage of the card was found as $146.80 hspace{0.1 cm}nV$. User interface programs (UIP) are prepared to control the scanning experiments via PC (HP VEE based UIP, LabVIEW based UIP) and to analyze the acquired data (MATLAB based UIP). A novel sensitivity test method employing resistive ring phantoms is developed. A relation between the classical saline solution filled vessel (45mm radius, 10 mm depth) phantoms and the resistive ring phantoms is established. The sensitivity of the prototype system to saline solutions filled vessels is 13.2 $mV/(S/m)$ and to resistive rings is 155.02 mV/Mho while the linearity is 3.96$%$ of the full scale for the saline solution filled vessels and 0.12$%$ of the full scale for the resistive rings. Also the sensitivity of the multi-frequency system is determined at each operation frequency by using resistive ring phantoms. The results are in consistence with the theory stating that the measured signals are linearly proportional with the square of the frequency. The signal to noise ration (SNR) of the prototype system is calculated as 35.44 dB. Also the SNR of the multi-frequency system is calculated at each operation frequency. As expected, the SNR of the system increases as the frequency increases. The system performance is also tested with agar phantoms. Spatial resolution of the prototype system is found 9.36 mm in the point spread function (PSF) sense and 14.4 mm in the line spread function (LSF) sense. Spatial resolution of the multi-frequency system is also found at each operation frequency. The results show that the resolving power of the system to distinguish image details increases as the frequency increases, as expected. Conductivity distributions of the objects are reconstructed using Steepest-Descent algorithm. The geometries and the locations of the reconstructed images match with those of the real images. The image of a living tissue, a leech, is acquired for the first time in the literature. Magnetic conductivity spectroscopy of a biological tissue is shown for the first time in electrical conductivity imaging via contactless measurements. The results show the potential of the methodology for clinical applications.
Ningelgen, Oliver Peter. "GoC : Gulf of Carpentaria electrical conductivity anomaly experiment /." Title page, contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09SB/09sbn7149g.pdf.
Full textBooks on the topic "Electrical conductivity"
Campbell, Wallace H., ed. Deep Earth Electrical Conductivity. Basel: Birkhäuser Basel, 1990. http://dx.doi.org/10.1007/978-3-0348-7435-9.
Full text1926-, Campbell Wallace H., ed. Deep earth electrical conductivity. Basel: Birkhäuser Verlag, 1990.
Find full textBerryman, Roy A. Electrical conductivity in liquid calcium silicates. Toronto, Ont: University of Toronto, 1988.
Find full textW, Hawk C., Litchford R. J, and George C. Marshall Space Flight Center., eds. Inductive measurement of plasma jet electrical conductivity. Marshall Space Flight Center, Ala: National Aeronautics and Space Administration, George C. Marshall Space Flight Center, 2001.
Find full textR, 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.
Find full textInternational, Conference on Conduction and Breakdown in Dielectric Liquids (10th 1990 Grenoble France). Conference record. [New York]: IEEE, 1990.
Find full textInternational 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.
Find full textZhamaletdinov, Abdullkhay A., and Yury L. Rebetsky, eds. The Study of Continental Lithosphere Electrical Conductivity, Temperature and Rheology. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-35906-5.
Full textFernando, Chanduvi, Lesch S. M, and Food and Agriculture Organization of the United Nations., eds. Soil salinity assessment: Methods and interpretation of electrical conductivity measurements. Rome: Food and Agriculture Organization of the United Nations, 1999.
Find full textVerweerd, Arre Job. Performance analysis and characterisation of a new magneto-electrical measurement system for electrical conductivity imaging. Jülich: Forschungszentrum Jülich GmbH, Zentralbibliothek, 2007.
Find full textBook chapters on the topic "Electrical conductivity"
Gooch, Jan W. "Conductivity (Electrical)." In Encyclopedic Dictionary of Polymers, 165–66. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_2816.
Full textAskeland, Donald R. "Electrical Conductivity." In The Science and Engineering of Materials, 204–17. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-009-1842-9_17.
Full textGooch, Jan W. "Electrical Conductivity." In Encyclopedic Dictionary of Polymers, 258. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_4261.
Full textChesworth, Ward, Marta Camps Arbestain, Felipe Macías, Otto Spaargaren, Otto Spaargaren, Y. Mualem, H. J. Morel‐Seytoux, et al. "Conductivity, Electrical." In Encyclopedia of Soil Science, 161–62. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-3995-9_124.
Full textWeik, Martin H. "electrical conductivity." In Computer Science and Communications Dictionary, 485. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_5869.
Full textQasem, Naef A. A., Muhammad M. Generous, Bilal A. Qureshi, and Syed M. Zubair. "Electrical Conductivity." In Springer Water, 281–300. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-35193-8_14.
Full textLund, Eric D. "Soil Electrical Conductivity." In Soil Science Step-by-Step Field Analysis, 137–46. Madison, WI, USA: American Society of Agronomy and Soil Science Society of America, 2015. http://dx.doi.org/10.2136/2008.soilsciencestepbystep.c11.
Full textRikitake, Tsuneji, and Yoshimori Honkura. "Electrical Conductivity Anomalies." In Solid Earth Geomagnetism, 293–347. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-4546-3_12.
Full textChambers, R. G. "Electrical conductivity of metals." In Electronics in Metals and Semiconductors, 120–32. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0423-1_9.
Full textVentura, Guglielmo, and Mauro Perfetti. "Electrical and Thermal Conductivity." In Thermal Properties of Solids at Room and Cryogenic Temperatures, 131–68. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-8969-1_7.
Full textConference papers on the topic "Electrical conductivity"
Lueck, E., and J. Ruehlmann. "Electrical Conductivity Mapping with Geophilus Electricus." In Near Surface 2008 - 14th EAGE European Meeting of Environmental and Engineering Geophysics. European Association of Geoscientists & Engineers, 2008. http://dx.doi.org/10.3997/2214-4609.20146327.
Full textRokityansky, I. I., and A. V. Tereshyn. "Donbas Electrical Conductivity Anomaly." In 16th International Conference Monitoring of Geological Processes and Ecological Condition of the Environment. European Association of Geoscientists & Engineers, 2022. http://dx.doi.org/10.3997/2214-4609.2022580254.
Full textTitov, K., V. Emelianov, V. Abramov, and A. Revil. "Complex Electrical Conductivity of Kimberlite." In NSG2021 27th European Meeting of Environmental and Engineering Geophysics. European Association of Geoscientists & Engineers, 2021. http://dx.doi.org/10.3997/2214-4609.202120048.
Full textUrsin, B., and J. M. Carcione. "Seismic-Velocity / Electrical-Conductivity Relations." In EGM 2007 International Workshop. European Association of Geoscientists & Engineers, 2007. http://dx.doi.org/10.3997/2214-4609-pdb.166.d_op_01.
Full textJudendorfer, Thomas, Alexander Pirker, and Michael Muhr. "Conductivity measurements of electrical insulating oils." In 2011 IEEE 17th International Conference on Dielectric Liquids (ICDL). IEEE, 2011. http://dx.doi.org/10.1109/icdl.2011.6015456.
Full textCelliers, P., A. Ng, M. W. C. Dharma-wardana, and F. Perrot. "Electrical conductivity of a dense plasma." In International Conference on Plasma Sciences (ICOPS). IEEE, 1993. http://dx.doi.org/10.1109/plasma.1993.593504.
Full textMintsev, Victor B. "Electrical conductivity of shock compressed xenon." In Shock compression of condensed matter. AIP, 2000. http://dx.doi.org/10.1063/1.1303634.
Full textMiyamae, T., T. Mori, and J. Tanaka. "Electrical conductivity of perchlorate doped polyacetylene." In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.834820.
Full textZUBKOV, P. I. "ELECTRICAL CONDUCTIVITY OF THE DETONATION PRODUCTS." In Proceedings of the VIIIth International Conference on Megagauss Magnetic Field Generation and Related Topics. WORLD SCIENTIFIC, 2004. http://dx.doi.org/10.1142/9789812702517_0127.
Full textStancu, Cristina, Petru V. Notingher, Denis Panaitescu, and Virgil Marinescu. "Electrical conductivity of polyethylene-neodymium composites." In 2013 8th International Symposium on Advanced Topics in Electrical Engineering (ATEE). IEEE, 2013. http://dx.doi.org/10.1109/atee.2013.6563458.
Full textReports on the topic "Electrical conductivity"
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.
Full textVunni, 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.
Full textMeihui Wang. The electrical conductivity of sodium polysulfide melts. Office of Scientific and Technical Information (OSTI), June 1992. http://dx.doi.org/10.2172/7243774.
Full textWang, Meihui. The electrical conductivity of sodium polysulfide melts. Office of Scientific and Technical Information (OSTI), June 1992. http://dx.doi.org/10.2172/10181806.
Full textWeir, S. T., W. J. Nellis, and A. C. Mitchell. Electrical conductivity of hydrogen shocked to megabar pressures. Office of Scientific and Technical Information (OSTI), August 1993. http://dx.doi.org/10.2172/10179599.
Full textBenefield, John. Assessing Soil Nutrients Using Rapid Electrical Conductivity Measurements. Ames (Iowa): Iowa State University, January 2021. http://dx.doi.org/10.31274/cc-20240624-247.
Full textChang, 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.
Full textJones, 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.
Full textWang, Liejun, Jingming Duan, and Janelle Simpson. Electrical conductivity structures from magnetotelluric data in Cloncurry region. Geoscience Australia, 2018. http://dx.doi.org/10.11636/record.2018.005.
Full textDesjarlais, Michael Paul, and Thomas Kjell Rene Mattsson. Equation of state and electrical conductivity of stainless steel. Office of Scientific and Technical Information (OSTI), November 2004. http://dx.doi.org/10.2172/920130.
Full text