Academic literature on the topic 'Dielectric Constant'

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Journal articles on the topic "Dielectric Constant"

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Singh, Rajenda, and Richard K. Ulrich. "High and Low Dielectric Constant Materials." Electrochemical Society Interface 8, no. 2 (1999): 26–30. http://dx.doi.org/10.1149/2.f06992if.

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Silicon-based dielectrics (SiO2, Si3N4, SiOxNy etc.) have been widely used as the key dielectrics in the manufacturing of silicon integrated circuits (ICs) and virtually all other semiconductor devices. Dielectrics having a value of dielectric constant k × 8.854 F/cm more than that of silicon nitride (k > 7) are classified as high dielectric constant materials, while those with a value of k less than the dielectric constant of silicon dioxide (k < 3.9) are classified as the low dielectric constant materials. The minimum value of (k) is one for air. The highest value of k has been reporte
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Biju, Anjitha, Maria Joseph, V. N. Archana, Navya Joseph, and M. R. Anantharaman. "High Dielectric Constant Liquid Dielectrics Based on Magnetic Nanofluids." Journal of Nanofluids 12, no. 4 (2023): 1141–50. http://dx.doi.org/10.1166/jon.2023.1973.

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Magnetic nanofluids are increasingly finding new applications. They can be employed as liquid dielectrics. The advantage of having a liquid dielectric is that high dielectric constant can be achieved by a judicious choice of the base liquid. The dielectric constant can be tuned with the help of an external magnetic field too. Superparamagnetic iron oxide nanoparticles were dispersed in polar carriers, namely water, polyvinyl alcohol, ethylene glycol, and a nonpolar carrier like kerosene to obtain stable magnetic fluids after ensuring the crystallographic phase purity along with appropriate mag
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Mital, Prem Bhushan. "An Experimental Study of Curved Rectangular Microstrip Antenna in Simulated Plasma Medium." Active and Passive Electronic Components 19, no. 2 (1996): 119–23. http://dx.doi.org/10.1155/1996/26187.

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The effect of plasma on the radiation characteristics of curved rectangular microstrip antenna is studied by means of a new plasma simulation technique. Unlike previous techniques [1,2], a relative index of refraction less than unity is obtained by representing free space with a high dielectric constant sodium chloride powder and plasma by a medium of lower dielectric constant (air). A wide range of dielectric constants of simulated plasma could be possible with this technique using solid dielectrics instead of liquids. It is observed that the resonance frequency is not affected by the curvatu
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Ghule, B., and M. Laad. "Polymer Composites with Improved Dielectric Properties: A Review." Ukrainian Journal of Physics 66, no. 2 (2021): 166. http://dx.doi.org/10.15407/ujpe66.2.166.

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Materials exhibiting high dielectric constant (k) values find applications in capacitors, gate dielectrics, dielectric elastomers, energy storage device, while materials with low dielectric constant are required in electronic packaging and other such applications. Traditionally, high k value materials are associated with high dielectric losses, frequency-dependent dielectric behavior, and high loading of a filler. Materials with low k possess a low thermal conductivity. This creates the new challenges in the development of dielectric materials in both kinds of applications. Use of high dielect
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Ling, H. C., M. F. Yan, and W. W. Rhodes. "High dielectric constant and small temperature coefficient bismuth-based dielectric compositions." Journal of Materials Research 5, no. 8 (1990): 1752–62. http://dx.doi.org/10.1557/jmr.1990.1752.

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We have studied the crystal structure and the dielectric properties of a scries of Bi-based ceramic compositions as a function of compositional variation and sintering temperature. These dielectrics have dielectric constants hetween 70 and 165 and their temperature coefficients are within ±500 × 10−6/°C. The precise temperature coefficient can be controlled via compositional changes such that dielectrics with temperature coefficients within ±50 × 10−6/°C are easily obtainable. The room temperature dissipation factor is smaller than 0.001 or equivalently, the Q value is greater than 1000. The e
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Kalyane, Sangshetty. "Dielectric Constant Study of Polyaniline – CeO2 Composites." Indian Journal of Applied Research 3, no. 6 (2011): 1–2. http://dx.doi.org/10.15373/2249555x/june2013/181.

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Endo, Kazuhiko. "Fluorinated Amorphous Carbon as a Low-Dielectric-Constant Interlayer Dielectric." MRS Bulletin 22, no. 10 (1997): 55–58. http://dx.doi.org/10.1557/s0883769400034217.

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Low-k organic polymers such as polytetrafluoroethylene (PTFE) are promising materials for use as interlayer dielectrics (ILD) because their dielectric constants are generally lower than those of inorganic materials. However poor adhesion with Si substrates, poor thermal stability, and production difficulties have hindered their use in microelectronics.On the other hand, plasma-enhanced chemical vapor deposition (PECVD) of polymer films (plasma polymerization) has many advantages that help to overcome these problems. Plasma-enhanced chemical vapor deposition uses a glow discharge to create acti
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Mandrić Radivojević, Vanja, Slavko Rupčić, Mario Srnović, and Goran Benšić. "Measuring the Dielectric Constant of Paper Using a Parallel Plate Capacitor." International journal of electrical and computer engineering systems 9, no. 1 (2018): 1–10. http://dx.doi.org/10.32985/ijeces.9.1.1.

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This article is a result of measuring the dielectric constant of a dielectric used in studying the influence of dielectrics on the antennae reflection coefficients. A paper having a density of 0.797 g/cm3, moisture content of 0% and temperature of 210C, is used as a dielectric. Although the literature provides a lot of data on the dielectric properties of wood and paper, without direct measurement of the dielectric constant it is impossible to know its amount for the dielectric used in the defined frequency range. Dielectric constant measurements are performed in the frequency range from 100 H
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Guo, Dong, Zhi Yuan Ling, and Xing Hu. "Low Temperature Sintering Ba3Ti5Nb6O28 Ceramics with Tunable Temperature Coefficient of Dielectric Constant." Key Engineering Materials 368-372 (February 2008): 170–72. http://dx.doi.org/10.4028/www.scientific.net/kem.368-372.170.

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A middle permittivity dielectrics with the tunable temperature coefficient of dielectric constant (τε) in the BaO-TiO2-Nb2O5 system, Ba3Ti5Nb6O28, has been synthesized and characterized. The dielectric properties of Ba3Ti5Nb6O28 measured at 1MHz are as follows: dielectric constant (εr) ~38, dielectric loss (tanδ)<0.0002, temperature coefficient of dielectric constant (τε)~-22ppm/°C. The Ba3Ti5Nb6O28 phase satisfies the requirements of NP0 (MLCC) dielectrics, but the sintering temperature of the Ba3Ti5Nb6O28 phase (1250~1300°C) is too high to be co-fired with Ag or Cu electrodes. To lower th
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Nura Muhammad Shehu, Garba Babaji, and Mutari Hajara Ali. "Optimizing dielectric constants for enhanced performance in nanoscale DG-FinFETs: A comprehensive study on short channel effects." International Journal of Basic and Applied Sciences 13, no. 1 (2024): 1–6. http://dx.doi.org/10.14419/y4q1p726.

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This study explores how variations in fin and gate dielectric constants impact nanoscale, DG-FinFETs’ sensitivity to Short Channel Effects (SCEs). Various fin (channel) materials; Gallium Arsenide (GaAs), Gallium Antimonide (GaSb), Gallium Nitride (GaN), and Silicon (Si), are considered. PADRE simulation environment is used to investigate the threshold Voltage (Vth) Roll-off, a crucial performance parameter. GaAs-FinFET, with a gate dielectric and fin dielectric constant values of 15 and 45 shows the lowest threshold voltage of 0.412 V. The study concludes that FinFETs with a higher fin dielec
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Dissertations / Theses on the topic "Dielectric Constant"

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Fromille, Samuel S. IV. "Novel Concept for High Dielectric Constant Composite Electrolyte Dielectrics." Thesis, Monterey, California. Naval Postgraduate School, 2013. http://hdl.handle.net/10945/53408.

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Approved for public release<br>This research was part of an ongoing program studying the concept of multi-material dielectrics (MMD) with dielectric constants much higher than homogenous materials. MMD described in this study have dielectric constants six orders of magnitude greater than the best single materials. This is achieved by mixing conductive particles with an insulating surface layer into a composite matrix phase composed of high surface area ceramic powder and aqueous electrolyte. Specifically examined in this study was micron-scale nickel powder treated in hydrogen peroxide (H2O2)
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Eusner, Thor. "Determining the Preston constants of low-dielectric-constant polymers." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36308.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2006.<br>Includes bibliographical references (leaf 30).<br>An important step in the manufacture of integrated circuits (ICs) is the Chemical Mechanical Polishing (CMP) process. In order to effectively use CMP, the removal rates of the materials used in ICs must be known. The removal rate of a given material by CMP can be determined once its Preston constant is known. The objectives of this work were to develop a method to determine the Preston constants and to measure the Preston constants of four low-dielec
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Long, Ernest Edward. "Electrochemistry in low dielectric constant media." Thesis, University of Liverpool, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316974.

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Cho, Taiheui. "Anisotropy of low dielectric constant materials and reliability of Cu/low-k interconnects /." Digital version accessible at:, 2000. http://wwwlib.umi.com/cr/utexas/main.

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BERNAL, JOSÉ IGNACIO MARULANDA. "MICROWAVE DEVICES USING HIGH DIELECTRIC CONSTANT FILMS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2010. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=17115@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>A crescente demanda por dispositivos portáveis de tamanho e peso cada vez mais reduzidos vem estimulando a busca por materiais de alta constante dielétrica e baixas perdas na faixa de freqüência de microondas capazes de permitir a integração e miniaturização de circuitos. No presente trabalho foi realizado um estudo teórico e experimental sobre a utilização de filmes de alta constante dielétrica na fabricação de dispositivos passivos de microondas de tamanhos reduzidos. Foi feita uma análise no domínio da freqüência sobre a influê
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Braganza, Clinton Ignatuis. "High Dielectric Constant Materials Containing Liquid Crystals." Kent State University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=kent1248065159.

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Mercer, Sean R. "Online microwave measurement of complex dielectric constant." Doctoral thesis, University of Cape Town, 1990. http://hdl.handle.net/11427/8342.

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Includes bibliographical references.<br>This dissertation examines the problem of on-line measurement of complex dielectric constant for the purpose of dielectric discrimination or product evaluation using microwave techniques. Various methods of signal/sample interaction were studied and consideration was given to the problem of sorting irregularly shaped discrete samples. The use of microwave transmission and reflection measurements was evaluated. The signal reflection methods were deemed to be best suited to applications with constant geometry feed presentation ( ie. a continuous, homogeneo
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Cabral, Flávio Pandur Albuquerque. "Medidas das constantes dielétricas e deslocamento elétrico em dielétricos: desenvolvimento da técnica e metodologia." Universidade de São Paulo, 1998. http://www.teses.usp.br/teses/disponiveis/76/76132/tde-08042014-151001/.

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Desenvolveu-se um sistema para medir a constante dielétrica complexa de amostras dielétricas, de construção simples, versátil e de baixo custo. A medida é feita aplicando-se uma tensão senoidal e fazendo-se a aquisição do sinal aplicado e do sinal da resposta elétrica (carga elétrica). Emprega-se uma placa A/D para a aquisição de dados com taxa de amostragem de 100 Ksamples/seg e através da transformada de Fourier discreta destes sinais determina-se a impedância complexa da amostra, a partir da qual calcula-se a constante dielétrica complexa. A placa utilizada e o circuito de medida da carga e
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Dhanapala, Hembathanthirige Yasas. "Dielectric Constant Measurements Using Atomic Force Microscopy System." Wright State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=wright1347907325.

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Tanner, Carey Marie. "Engineering high dielectric constant materials on silicon carbide." Diss., Restricted to subscribing institutions, 2007. http://proquest.umi.com/pqdweb?did=1459913391&sid=1&Fmt=2&clientId=1564&RQT=309&VName=PQD.

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Books on the topic "Dielectric Constant"

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Fröhlich, H. Theory of dielectrics: Dielectric constant and dielectric loss. 2nd ed. Clarendon, 1986.

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Fröhlich, H. Theory of dielectrics: Dielectrics constant and dielectric loss. 2nd ed. Clarendon Press, 1986.

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Huff, H. R., and D. C. Gilmer, eds. High Dielectric Constant Materials. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/b137574.

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Ho, Paul S., Jihperng Jim Leu, and Wei William Lee, eds. Low Dielectric Constant Materials for IC Applications. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-55908-2.

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Ho, Paul S. Low Dielectric Constant Materials for IC Applications. Springer Berlin Heidelberg, 2003.

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J, Lododa Mark, Electrochemical Society. Dielectric Science and Technology Division., Electrochemical Society Electronics Division, and International Symposium on Low and High Dielectric Constant Materials: Materials Science, Processing, and Reliability Issues (5th : 2000 : Toronto, Ont.), eds. Low and high dielectric constant materials: Materials science, processing, and reliability issues : proceedings of the fifth international symposium. Electrochemical Society, Inc., 2000.

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United States. National Aeronautics and Space Administration., ed. Theoretical study of the transverse dielectric constant of superlattices and their alloys. University of Illinois at Urbana-Champaign, Coordinated Science Laboratory, College of Engineering, 1986.

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Borst, Christopher L., William N. Gill, and Ronald J. Gutmann. Chemical-Mechanical Polishing of Low Dielectric Constant Polymers and Organosilicate Glasses. Springer US, 2002. http://dx.doi.org/10.1007/978-1-4615-1165-6.

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Jack, Gow Anthony, Morey Rexford M, Cold Regions Research and Engineering Laboratory (U.S.), and National Science Foundation (U.S.). Division of Polar Programs., eds. A reassessment of the in-situ dielectric constant of polar firn. US Army Corps of Engineers, Cold Regions Research & Engineering Laboratory, 1993.

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1954-, Nalwa Hari Singh, ed. Handbook of low and high dielectric constant materials and their applications. Academic Press, 1999.

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Book chapters on the topic "Dielectric Constant"

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Gooch, Jan W. "Dielectric Constant." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_3582.

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Gooch, Jan W. "Dielectric Constant." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_13555.

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Weik, Martin H. "dielectric constant." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_4960.

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da Silva, E. C. F. "AlSb: dielectric constant." In New Data and Updates for IV-IV, III-V, II-VI and I-VII Compounds, their Mixed Crystals and Diluted Magnetic Semiconductors. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-14148-5_77.

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Gooch, Jan W. "Complex Dielectric Constant." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_2733.

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Strauch, D. "CaSe: dielectric constant." In New Data and Updates for several IIa-VI Compounds (Structural Properties, Thermal and Thermodynamic Properties, and Lattice Properties). Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41461-9_102.

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Strauch, D. "CaTe: dielectric constant." In New Data and Updates for several IIa-VI Compounds (Structural Properties, Thermal and Thermodynamic Properties, and Lattice Properties). Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41461-9_107.

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Strauch, D. "CaS: dielectric constant." In New Data and Updates for several IIa-VI Compounds (Structural Properties, Thermal and Thermodynamic Properties, and Lattice Properties). Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41461-9_97.

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Strauch, Dieter. "SrS: Dielectric Constant." In Semiconductors. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53620-9_33.

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Strauch, Dieter. "SrSe: Dielectric Constant." In Semiconductors. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53620-9_38.

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Conference papers on the topic "Dielectric Constant"

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Li, Sizhe, Shuhong Gong, and Zixuan Yu. "Theoretical Basis and Application of Dielectric Constant." In 2024 14th International Symposium on Antennas, Propagation and EM Theory (ISAPE). IEEE, 2024. https://doi.org/10.1109/isape62431.2024.10840813.

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Zhang, Tian, Yash Thakur, and Q. M. Zhang. "Doped dielectric polymers with low dielectric constant nanofillers." In 2017 IEEE Conference on Electrical Insulation and Dielectric Phenomenon (CEIDP). IEEE, 2017. http://dx.doi.org/10.1109/ceidp.2017.8257447.

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Platonov, Roman, Andrey Altynnikov, Andrey Komlev, Andrey Tsymbalyuk, Diana Tsyganova, and Daria Kudriavtseva. "Calculating Effective Dielectric Constant of Composite Dielectric Material." In 2024 IEEE 4th International Conference on Electronic Communications, Internet of Things and Big Data (ICEIB). IEEE, 2024. http://dx.doi.org/10.1109/iceib61477.2024.10602724.

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Attiya, Ahmed M., and W. M. Hassan. "Interdigital capacitor dielectric constant probe." In 2017 IEEE Asia Pacific Microwave Conference (APMC). IEEE, 2017. http://dx.doi.org/10.1109/apmc.2017.8251499.

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Hoque, Nishu, Emely Claros, and Jonathan Bender. "Capacitive Touch Dielectric Constant Validation." In 2024 Systems and Information Engineering Design Symposium (SIEDS). IEEE, 2024. http://dx.doi.org/10.1109/sieds61124.2024.10534639.

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Siwang Kou, Shuhui Yu, Rong Sun, and Ching Ping Wong. "High-dielectric-constant graphite oxide-polyimide composites as embedded dielectrics." In 2012 7th International Microsystems, Packaging, Assembly and Circuits Technology Conference (IMPACT). IEEE, 2012. http://dx.doi.org/10.1109/impact.2012.6420222.

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Zhang, Zhen, Liwu Liu, Jiumin Fan, et al. "New silicone dielectric elastomers with a high dielectric constant." In The 15th International Symposium on: Smart Structures and Materials & Nondestructive Evaluation and Health Monitoring, edited by Douglas K. Lindner. SPIE, 2008. http://dx.doi.org/10.1117/12.775989.

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Dharmadhikari, D. M., and S. N. Helambe. "Analyzing dielectric constant using homocentric resonator." In 2017 IEEE Applied Electromagnetics Conference (AEMC). IEEE, 2017. http://dx.doi.org/10.1109/aemc.2017.8325675.

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Valavade, A. V., D. C. Kothari, and C. Löbbe. "Dielectric constant microscopy for biological materials." In SOLID STATE PHYSICS: PROCEEDINGS OF THE 57TH DAE SOLID STATE PHYSICS SYMPOSIUM 2012. AIP, 2013. http://dx.doi.org/10.1063/1.4791140.

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Richert, Ranko, and Hermann Wagner. "Dielectric relaxation under constant-charge conditions." In Dielectric and Related Phenomena: Materials Physico-Chemistry, Spectrometric Investigations, and Applications, edited by Andrzej Wlochowicz. SPIE, 1997. http://dx.doi.org/10.1117/12.276276.

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Reports on the topic "Dielectric Constant"

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Brisco, B., T. J. Pultz, R. J. Brown, G. C. Topp, and W D Zebchuk. Dielectric Constant Measurements of Soil With Portable Dielectric Probes and TDR Techniques. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1991. http://dx.doi.org/10.4095/218269.

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Nahman, N. S. Dielectric constant measurements on n-heptane and 2-heptanone. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/527432.

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Brody, Philip S. Dielectric Constant Decrease upon Illumination in a Barium Titanate Crystal. Defense Technical Information Center, 1997. http://dx.doi.org/10.21236/ada324231.

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Mazzaro, Gregory J., Gregory D. Smith, Getachew Kirose, and Kelly D. Sherbondy. Effect of Cold Temperature on the Dielectric Constant of Soil. Defense Technical Information Center, 2012. http://dx.doi.org/10.21236/ada561950.

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Wu, Shun Jackson. Development of low dielectric constant alumina-based ceramics for microelectronic substrates. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10150031.

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Kohl, Paul, and Sue A. Bidstrup. Low Dielectric Constant Insulators and Gold Metallization for GHz Multi-Chip Modules. Defense Technical Information Center, 1992. http://dx.doi.org/10.21236/ada252881.

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Mopsik, Frederick I., and Brian Dickens. The measurement of the dielectric constant of polymeric films at high fields. National Institute of Standards and Technology, 1992. http://dx.doi.org/10.6028/nist.ir.4910.

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โชติพฤกษ์, อาทิวรรณ, ประเสริฐ ภวสันต์ та Motonobu Goto. โครงการ การสกัดสารแอนทราควิโนนส์จากรากยอด้วยน้ำกึ่งวิกฤต : รายงานวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 2006. https://doi.org/10.58837/chula.res.2006.71.

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ต้นยอ (Morinda citrifolia) เป็นพืชพื้นบ้านที่ปัจจุบันได้รับความสนใจศึกษาค้นคว้า และพบว่าในรากของต้นยอมีสารต่าง ๆ ซึ่งมีฤทธิ์ต่อต้านเชื้อโรคหลายชนิด ๆ เช่น เชื้อแบคทีเรีย เชื้อไวรัส และยังมีฤทธิ์ต่อต้านโรคมะเร็งและสามารถบรรเทาอาการเจ็บปวดอีกด้วย แต่เดิมการสกัดสารแอนทราควิโนนส์จะทำโดยการสกัดด้วยเอททานอล จากนั้นทำการระเหยเอาตัวทำละลายเอททานอลออก แต่วิธีนี้อาจมีสารละลายอินทรีย์ตกค้างอยู่ ในงานวิจัยนี้จึงศึกษษการใช้น้ำกึ่งวิกฤตในการสกัดสารแอนทราควิโนนส์จากรากแห้งของต้นยอ โดยศึกษาผลของปัจจัยต่าง ๆ ซึ่ง ได้แก่ อุณหภูมิ (110°C , 170°C และ 220°C) ความดัน และอัตราการไกลของน้ำ พบว่าแม้การน้ำในภาวะอุณหภูม
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9

He, Rui, Na (Luna) Lu, and Jan Olek. Development of In-Situ Sensing Method for the Monitoring of Water-Cement (w/c) Values and the Effectiveness of Curing Concrete. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317377.

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Abstract:
As the most widely used construction material, concrete is very durable and can provide long service life without extensive maintenance. The strength and durability of concrete are primarily influenced by the initial water-cement ratio value (w/c), and the curing condition during the hardening process also influences its performance. The w/c value is defined as the total mass of free water that can be consumed by hydration divided by the total mass of cement and any additional pozzolanic material such as fly ash, slag, silica fume. Once placed, field concrete pavements are routinely cured with
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10

Raengthon, Natthaphon. Cation vacancy defect in modified barium titanate ferroelectric ceramics. Chulalongkorn University, 2021. https://doi.org/10.58837/chula.res.2021.22.

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Abstract:
Development of advanced technologies for electronic applications, particularly aiming to increase energy efficiency and sustainability, are increasing in demand for regular usage. A majority of this development involves improvement of material's properties. Researcher has been continuously studied and developed new electronic material. Ferroelectric ceramic is one of many materials that is of interest, for example, lead-based (e.g. Pb(Mg₁/₃Nb₂/₃)O₃: PMN) and lead-free (e.g. Ba(Zr,Ti)O₃: BZT) materials. It is, however, known that the RoHS (Restriction of Hazardous Substances Directive) listed L
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