Готові списки джерел за темами / Dielectric polymers

Добірка наукової літератури з теми "Dielectric polymers"

Автор: Grafiati
Опубліковано: 6 вересня 2023

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Статті в журналах з теми "Dielectric polymers"

1

Dou, Lvye, Yuan-Hua Lin, and Ce-Wen Nan. "An Overview of Linear Dielectric Polymers and Their Nanocomposites for Energy Storage." Molecules 26, no. 20 (October 12, 2021): 6148. http://dx.doi.org/10.3390/molecules26206148.

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As one of the most important energy storage devices, dielectric capacitors have attracted increasing attention because of their ultrahigh power density, which allows them to play a critical role in many high-power electrical systems. To date, four typical dielectric materials have been widely studied, including ferroelectrics, relaxor ferroelectrics, anti-ferroelectrics, and linear dielectrics. Among these materials, linear dielectric polymers are attractive due to their significant advantages in breakdown strength and efficiency. However, the practical application of linear dielectrics is usually severely hindered by their low energy density, which is caused by their relatively low dielectric constant. This review summarizes some typical studies on linear dielectric polymers and their nanocomposites, including linear dielectric polymer blends, ferroelectric/linear dielectric polymer blends, and linear polymer nanocomposites with various nanofillers. Moreover, through a detailed analysis of this research, we summarize several existing challenges and future perspectives in the research area of linear dielectric polymers, which may propel the development of linear dielectric polymers and realize their practical application.
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2

Choi, Junhwan, and Hocheon Yoo. "Combination of Polymer Gate Dielectric and Two-Dimensional Semiconductor for Emerging Field-Effect Transistors." Polymers 15, no. 6 (March 10, 2023): 1395. http://dx.doi.org/10.3390/polym15061395.

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Two-dimensional (2D) materials are considered attractive semiconducting layers for emerging field-effect transistors owing to their unique electronic and optoelectronic properties. Polymers have been utilized in combination with 2D semiconductors as gate dielectric layers in field-effect transistors (FETs). Despite their distinctive advantages, the applicability of polymer gate dielectric materials for 2D semiconductor FETs has rarely been discussed in a comprehensive manner. Therefore, this paper reviews recent progress relating to 2D semiconductor FETs based on a wide range of polymeric gate dielectric materials, including (1) solution-based polymer dielectrics, (2) vacuum-deposited polymer dielectrics, (3) ferroelectric polymers, and (4) ion gels. Exploiting appropriate materials and corresponding processes, polymer gate dielectrics have enhanced the performance of 2D semiconductor FETs and enabled the development of versatile device structures in energy-efficient ways. Furthermore, FET-based functional electronic devices, such as flash memory devices, photodetectors, ferroelectric memory devices, and flexible electronics, are highlighted in this review. This paper also outlines challenges and opportunities in order to help develop high-performance FETs based on 2D semiconductors and polymer gate dielectrics and realize their practical applications.
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3

Liu, Di-Fan, Qi-Kun Feng, Yong-Xin Zhang, Shao-Long Zhong, and Zhi-Min Dang. "Prediction of high-temperature polymer dielectrics using a Bayesian molecular design model." Journal of Applied Physics 132, no. 1 (July 7, 2022): 014901. http://dx.doi.org/10.1063/5.0094746.

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Machine learning has shown its great potential in the accelerated discovery of advanced materials in the field of computational molecular design. High-temperature polymer dielectrics are urgently required with the emerging applications of energy-storage dielectric film capacitors under high-temperature conditions. Here, we demonstrate the successful prediction of polymers with a high dielectric constant ( ɛ) and high glass transition temperature ( Tg) using a Bayesian molecular design model. The model is trained on a joint data set containing 382 computed ɛ values using density functional perturbation theory and experimentally measured Tg values of ∼7000 polymers to build relative quantitative structure–property relationships and identify the promising polymers with specific desired range of dielectric constant and glass transition temperature. From the hypothetical polymer candidates, ten promising polymers are proposed based on their predicted properties and synthetic accessibility score for high-temperature dielectric film capacitors’ application. Moreover, 250k novel polymer structures are generated with the model to support future polymer informatics research. This work contributes to the successful prediction of high-temperature polymer dielectrics using machine learning models.
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4

Yang, Zhijie, Dong Yue, Yuanhang Yao, Jialong Li, Qingguo Chi, Qingguo Chen, Daomin Min, and Yu Feng. "Energy Storage Application of All-Organic Polymer Dielectrics: A Review." Polymers 14, no. 6 (March 14, 2022): 1160. http://dx.doi.org/10.3390/polym14061160.

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With the wide application of energy storage equipment in modern electronic and electrical systems, developing polymer-based dielectric capacitors with high-power density and rapid charge and discharge capabilities has become important. However, there are significant challenges in synergistic optimization of conventional polymer-based composites, specifically in terms of their breakdown and dielectric properties. As the basis of dielectrics, all-organic polymers have become a research hotspot in recent years, showing broad development prospects in the fields of dielectric and energy storage. This paper reviews the research progress of all-organic polymer dielectrics from the perspective of material preparation methods, with emphasis on strategies that enhance both dielectric and energy storage performance. By dividing all-organic polymer dielectrics into linear polymer dielectrics and nonlinear polymer dielectrics, the paper describes the effects of three structures (blending, filling, and multilayer) on the dielectric and energy storage properties of all-organic polymer dielectrics. Based on the above research progress, the energy storage applications of all-organic dielectrics are summarized and their prospects discussed.
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5

Katunin, Andrzej, and Katarzyna Krukiewicz. "Electrical percolation in composites of conducting polymers and dielectrics." Journal of Polymer Engineering 35, no. 8 (October 1, 2015): 731–41. http://dx.doi.org/10.1515/polyeng-2014-0206.

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Abstract This article deals with the electrical conductivity of a composite of two polymers, one of which is a conducting polymer, whereas the second is a dielectric. The problem was formulated within the framework of electrical percolation, i.e., the percolation thresholds, which allow for a high electrical conductivity, is under investigation. For this purpose, a numerical model was developed, and its parameters were analyzed and discussed. Based on the determined thresholds, it was possible to evaluate the weight ratios of the conducting-dielectric polymers in a composite. The proposed approach allows for reducing the manufacturing cost of composite material with respect to conducting polymers with simultaneous retaining of high conductance properties of conducting polymers, as well as durability and flexibility of dielectrics.
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6

Li, Rui, Jian Zhong Pei, Yan Wei Li, Xin Shi, and Qun Le Du. "Preparation, Morphology and Dielectric Properties of Polyamide-6/Poly(Vinylidene Fluoride) Blends." Advanced Materials Research 496 (March 2012): 263–67. http://dx.doi.org/10.4028/www.scientific.net/amr.496.263.

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A novel all-polymeric material with high dielectric constant (k) has been developed by blending poly (vinylidene fluoride) (PVDF) with polyamide-6 (PA6). The dependence of the dielectric properties on frequency and polymer volume fraction was investigated. When the volume fraction of PA6 is 20%, the dielectric property is better than others. The SEM investigations suggest that the enhanced dielectric behavior originates from significant interfacial interactions of polymer-polymer. The XRD demonstrate that the PA6 and PVDF affect the crystalline behavior of each component. Furthermore, the stable dielectric constants of the blends could be tuned by adjusting the content of the polymers. The created high-k all-polymeric blends represent a novel type of material that are simple technology and easy to process, and is of relatively high dielectric constant, applications as flexible electronics.
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7

Закревский, В. А., В. А. Пахотин та Н. Т. Сударь. "Долговечность полимеров в переменном электрическом поле". Журнал технической физики 90, № 2 (2020): 251. http://dx.doi.org/10.21883/jtf.2020.02.48818.224-19.

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An explanation of the difference in the electrical properties of polymers in the DC and AC electric fields is proposed. Energy release during recombination of electrons and holes injected into a polymer dielectric is considered as a factor accelerating the processes of electric aging of these dielectrics in an AC field. It is shown that nonradiative relaxation of electron excited states causes breaks of bonds in macromolecules and formation of free radicals. Due to the lower ionization energy of free radicals (compared to the original molecules), the rate of charge accumulation in the polymer dielectric increases, which leads to a decrease in its durability in an AC field compared to the durability of polymers in a DC field.
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8

BIJWE, JAYASHREE, and NEELAM PHOUGAT. "Dielectric Properties of Iron Phthalocyanine Compounds." Journal of Porphyrins and Phthalocyanines 02, no. 03 (May 1998): 223–30. http://dx.doi.org/10.1002/(sici)1099-1409(199805/06)2:3<223::aid-jpp69>3.0.co;2-a.

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Monomeric and polymeric iron phthalocyanine compounds were synthesized and their dielectric properties were measured in the frequency range from 100 Hz to 10 MHz between 25 and 200 °C. The dielectric constant and dielectric loss showed strong frequency and temperature dependences. Interestingly, large dielectric constants were observed around 100 °C for both monomers and polymers. A dielectric constant as high as 5000 at 110 Hz was observed for the iron phthalocyanine polymer. The origin of the large dielectric constant in metallophthalocyanines is discussed.
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9

Ali, Amjad, Mirza Nadeem Ahmad, Tajamal Hussain, Ahmad Naveed, Tariq Aziz, Mobashar Hassan, and Li Guo. "Materials Innovations in 2D-filler Reinforced Dielectric Polymer Composites." Materials Innovations 02, no. 02 (2022): 47–66. http://dx.doi.org/10.54738/mi.2022.2202.

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Polymer dielectric possess advantages of mechanical flexibility, low temperature processing, and cost. However, for practical applications dielectric constant of polymers is not high enough. To raise the dielectric constant, polymers are often composited with fillers of various morphologies (one-dimensional, two-dimensional, three-dimensional) and types (inorganic, organic, carbon, conductive, non-conductive). Recently discovered two-dimensional (2D) materials including graphene, transition metal dichalcogenides, MXenes, ferroelectric ceramics, etc. have been discovered. These materials have excellent electrical, mechanical, thermal properties and high specific surface area, which makes these ideal materials to reinforce the properties of polymers, especially dielectric properties. Here, in this review we summarize the latest developments regarding the use of 2D fillers to improve the dielectric properties of polymer composites. We have systematically discussed synthesis of 2D materials, processing of their 2D filler/polymer composites, theoretical background of dielectric properties of these composites, and literature summary of the dielectric properties of polymer composites with various type of 2D fillers.
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10

Li, He, Yao Zhou, Yang Liu, Li Li, Yi Liu, and Qing Wang. "Dielectric polymers for high-temperature capacitive energy storage." Chemical Society Reviews 50, no. 11 (2021): 6369–400. http://dx.doi.org/10.1039/d0cs00765j.

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The growing demand for advanced electronics requires dielectrics operating at high temperatures. The development of high-temperature dielectric polymers is reviewed from the perspective of structure design, dielectric and capacitive performance.
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Дисертації з теми "Dielectric polymers"

1

Akins, Robert Benjamin. "Dielectric investigation of double glass transitions in polymers." Case Western Reserve University School of Graduate Studies / OhioLINK, 1991. http://rave.ohiolink.edu/etdc/view?acc_num=case1055878455.

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2

Zhong, Zhengzhong. "Dielectric relaxations in side-chain liquid crystalline polymers." Case Western Reserve University School of Graduate Studies / OhioLINK, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=case1060624225.

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3

Gupta, Sahil. "Structure-Property Relationships in Polymers for Dielectric Capacitors." University of Akron / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=akron1395682393.

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4

Grove, Nicole R. "Characterization of functionalized polynorbornenes as interlevel dielectrics." Diss., Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/11204.

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5

Riedel, Clément. "Dielectric and mechanical properties of polymers at macro and nanoscale." Thesis, Montpellier 2, 2010. http://www.theses.fr/2010MON20073.

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Le but de cette thèse était tout d'abord de comprendre les théories physiques qui décrivent la dynamique des polymères à l'échelle macroscopique. Le modèle de Rouse et la théorie d'enchevêtrement de De Gennes décrivent la dynamique des polymères non enchevêtrés et enchevêtrés, respectivement. Nous avons étudiés les différentes transitions entre ces deux régimes en utilisant deux techniques expérimentales: Broadband Dielectric Spectroscopy (BDS) et rhéologie. Les effets d'enchevêtrement sur les spectres diélectriques ont été discutés. Un test complet du modèle de Rouse à été effectué sur en comparant les prédictions de ce modèle pour la dépendance en fréquence de la permittivité diélectrique et du module de cisaillement aux données expérimentales. Ensuite nous avons développés des méthodes bas"s sur la microscopie à force électrostatique afin d'étudier les propriétés diélectriques locales. En utilisant la simulation numérique de la Méthode des Charges Equivalentes la constante diélectrique a été quantifiée à partir de la mesure du gradient de force crée par un potentiel statique entre une pointe et un diélectrique. Cette méthode permet d'imager la constante diélectrique avec une résolution spatial de 40 nm. Le retard de phase de la composante en 2ω de la force ou du gradient de force crée par un voltage alternatif est relié aux pertes diélectriques. En mesurant cette quantité nous avons montré que la dynamique était plus rapide proche d'une interface libre et nous avons développé un mode d'imagerie des pertes diélectriques. Cette méthode simple pourrait être appliqué en biologie ou matière molle en générale afin d'étudier des variations locales de constantes diélectriques
The aim of this thesis was first to understand the physical theories that describe the dynamics of linear polymers at the macroscopic scale. Rouse and the reptational tube theory describe the large scale dynamics of unentangled and entangled polymers respectively. Using Broadband Dielectric Spectroscopy (BDS) and rheology we have studied the different transition between these two regimes. Effects of entanglement on dielectric spectra will be discussed (Rheologica Acta. 49(5):507-512). Avoiding the segmental relaxation contribution and introducing a distribution in the molecular weight we have been able to perform a comparison of the Rouse model with experiment dielectric and rheological data (Macromolecules 42(21): 8492-8499) Then we have developed EFM-based methods in order to study the local dynamics. Using the numerical simulation of the Equivalent Charge Method, the value of the static dielectric permittivity has been quantified from the measurement of the force gradient created by a VDC potential between a tip and a grounded dielectric (Journal of Applied Physics 106(2):024315). This method allows a quantitative mapping of dielectric properties with a 40 nm spatial resolution and is therefore suitable for the study of nano-defined domains (Physical Review E 81(1): 010801). The electrical phase lags in the 2ω components of the force or force gradient created by VAC voltage, ΔΦ2ω, are related with dielectric losses. Measuring the frequency dependence of ΔΦ2ω Crieder et al (Applied Physics Letters 91(1):013102) have shown that the dynamics at the near free surface of polymer films is faster than the one in bulk. We have used this method in order to visualize the activation of the segmental relaxation with temperature and frequency (Applied Physics Letters 96(21): 213110). All this measurements can be achieved using standard Atomic Force Microscope (and a lock-in) for VAC measurements
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6

Nass, Kirk A. "Dielectric thermal analysis of polymeric matrices /." Thesis, Connect to this title online; UW restricted, 1989. http://hdl.handle.net/1773/9897.

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7

Warner, Nathaniel A. "Investigation of the Effect of Particle Size and Particle Loading on Thermal Conductivity and Dielectric Strength of Thermoset Polymers." Thesis, University of North Texas, 2016. https://digital.library.unt.edu/ark:/67531/metadc849629/.

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Semiconductor die attach materials for high voltage, high reliability analog devices require high thermal conductivity and retention of dielectric strength. A comparative study of effective thermal conductivity and dielectric strength of selected thermoset/ceramic composites was conducted to determine the effect of ceramic particle size and ceramic particle loading on thermoset polymers. The polymer chosen for this study is bismaleimide, a common aerospace material chosen for its strength and thermal stability. The reinforcing material chosen for this study is a ceramic, hexagonal boron nitride. Thermal conductivity and dielectric breakdown strength are measured in low and high concentrations of hexagonal boron nitride. Adhesive fracture toughness of the composite is evaluated on copper to determine the composite’s adhesive qualities. SEM imaging of composite cross-sections is used to visualize particle orientation within the matrix. Micro-indentation is used to measure mechanical properties of the composites which display increased mechanical performance in loading beyond the percolation threshold of the material. Thermal conductivity of the base polymer increases by a factor of 50 in 80%wt loading of 50µm hBN accompanied by a 10% increase in composite dielectric strength. A relationship between particle size and effective thermal conductivity is established through comparison of experimental data with an empirical model of effective thermal conductivity of composite materials.
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8

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.
Includes bibliographical references (leaf 30).
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-dielectric-constant (low-k) polymers, labeled A, B, C, and D, and Cu. A weight-loss method, which measures the weight difference between the initial wafer and the polished wafer, provided repeatable results. The Preston constants ranged from 1.01 to 5.96 x10-'3 m2/N. The variation in measurements of the Preston constant ranged from 16% to 31%. The Preston constant of Cu was found to be 1.60 + 0.50 x10-13 m2/N. Of the four polymers, Polymer A had the smallest Preston constant, 1.01 i- 0.30 x10-13 m2/N. It was also determined that there is an approximate inverse linear relationship between the Preston constant of the four low-k polymers and their Young's moduli of elasticity. An approximate inverse linear relationship between the Preston constant of the four low-k polymers and the hardness was also observed.
by Thor Eusner.
S.B.
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9

Xiao, Zhang. "PROBING POLYMER DYNAMICS USING HIGH THROUGHPUT BROADBAND DIELECTRIC SPECTROSCOPY." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1533127319642101.

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10

Maistros, G. M. "Dielectric monitoring during the cure of epoxy resin blends." Thesis, Cranfield University, 1991. http://dspace.lib.cranfield.ac.uk/handle/1826/10403.

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Dielectric monitoring and supporting techniques (differential Scanning calorimetry, infra-red spectrosoopy, viscometry, dynamic mechanical thermal analysis and light transmittance) were used to study the isothermal cure reaction of the CTBN rubber modified DGEBA resin/amine hardener blends. The neat system was also examined for the required knowledge of the matrix properties. The complexity of the cure kinetics was demonstrated by the use of a rapid technique for kinetic parameters evaluation. The utility of the dielectric cure monitoring is focused at the observation of evidence o phase separation, gelation and vitrification. The phase separatlon which the blends underwent during the cure was detected by the dielectric »monitoring through a permittivity increase at the low frequency response. The onset of the rapid viscosity increase leading to gelation was also indicated by the sharp decrease o the dielectric constant atlhigh frequencies. The frequency dependence of the times reach the dielectric loss peaks was used to predict successfully the vitrification times during the isothermal reactions o the blends. The in-situ nature o the technique and the basic understanding o the features appearing in the dielectric signal during the cure reaction provide the basis for the use of dielectric monitoring in the process of composite materials, manufacture.
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Книги з теми "Dielectric polymers"

1

Kremer, Friedrich. Broadband Dielectric Spectroscopy. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003.

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2

E, Read B., and Williams G. Ph D, eds. Anelastic and dielectric effects in polymeric solids. New York: Dover Publications, 1991.

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3

1953-, Runt James P., and Fitzgerald John J, eds. Dielectric spectroscopy of polymeric materials: Fundamentals and applications. Washington, DC: American Chemical Society, 1997.

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4

Usmanov, S. M. Numerical methods of solving ill-posed problems of dielectric spectrometry. Hauppauge, N.Y: Nova Science Publishers, 2002.

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5

Usmanov, S. M. Numerical methods of solving ill-posed problems of dielectric spectrometry. Hauppauge, NY: Nova Science, 2003.

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6

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

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7

James, Havriliak Stephen, ed. Dielectric and mechanical relaxation in materials: Analysis, interpretation, and application to polymers. Munich: Hanser Publishers, 1997.

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8

N, Hammoud A., and United States. National Aeronautics and Space Administration., eds. High temperature dielectric properties of Apical, Kapton, Peek, Teflon AF, and Upilex polymers. [Washington, DC]: National Aeronautics and Space Administration, 1992.

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9

service), ScienceDirect (Online, ed. Dielectric elastomers as electromechanical transducers: Fundamentals, materials, devices, models and applications of an emerging electroactive polymer technology. Amsterdam: Elsevier, 2008.

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10

Boersma, Arjen. A dielectric study on the microstructure in polymers and blends: Orientation crystallization and interfacial phenomena in a liquid crystalline polymer and its blends. Delft: Delft University, 1998.

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Частини книг з теми "Dielectric polymers"

1

Billah, Shah Mohammed Reduwan. "Dielectric Polymers." In Polymers and Polymeric Composites: A Reference Series, 241–88. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-95987-0_8.

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2

Billah, Shah Mohammed Reduwan. "Dielectric Polymers." In Polymers and Polymeric Composites: A Reference Series, 1–49. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-92067-2_8-1.

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3

Gooch, Jan W. "Dielectric." In Encyclopedic Dictionary of Polymers, 212. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_3579.

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4

Gooch, Jan W. "Dielectric Absorption." In Encyclopedic Dictionary of Polymers, 212–13. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_3580.

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5

Gooch, Jan W. "Dielectric Constant." In Encyclopedic Dictionary of Polymers, 213. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_3582.

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Gooch, Jan W. "Dielectric Heating." In Encyclopedic Dictionary of Polymers, 213. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_3584.

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Gooch, Jan W. "Dielectric Loss." In Encyclopedic Dictionary of Polymers, 213. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_3585.

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Gooch, Jan W. "Dielectric Strength." In Encyclopedic Dictionary of Polymers, 214. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_3589.

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Gooch, Jan W. "Loss Dielectric." In Encyclopedic Dictionary of Polymers, 434. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_7035.

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Gooch, Jan W. "Dielectric Constant." In Encyclopedic Dictionary of Polymers, 887. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_13555.

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Тези доповідей конференцій з теми "Dielectric polymers"

1

Grebel, H. "Artificial dielectric polymeric waveguides." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1989. http://dx.doi.org/10.1364/oam.1989.ms4.

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Анотація:
An artificial dielectric material consists of a dielectric host in which another material, of different dielectric properties, is embedded as a guest.1 Clear polymers, thus, may serve as host for metallic or semiconductor guest materials. The guest materials may be in the form of clusters or layers; however, the cluster size or the layer thickness, and the distance between the clusters or layers must be smaller than the optical wavelength used. The linear properties of artificial dielectric polymeric waveguides are discussed. The waveguides are composed of successive layers of polymer and metal. Analysis of the waveguide employs a static approximation because of the small dimensions of the guest material.
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2

Tanaka, Satomi, Shinjiro Machida, Kazuyuki Horie, and Takashi Yamashita. "Low-Temperature Structural Relaxation in Polymers Probed by PHB." In Spectral Hole-Burning and Related Spectroscopies: Science and Applications. Washington, D.C.: Optica Publishing Group, 1994. http://dx.doi.org/10.1364/shbs.1994.wd35.

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Photochemical hole burning (PHB) is attracting an interest as a means for frequency-domain optical storage. Besides, PHB is expected as a probe for understanding the dynamic behavior in polymers at low temperatures. The low-temperature properties of polymers have been investigated mechanically and dielectricly for many years. In the present study, excursion temperature dependence of hole profile for chromophore/polymer systems is investigated, and is compared with mechanical and dielectric behavior of polymers, so as to get hold of the relationship between relaxation properties and chemical structure of polymers.
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3

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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4

Ohki, Y., and N. Hirai. "Dielectric Properties of Biodegradable Polymers." In 2006 IEEE Conference on Electrical Insulation and Dielectric Phenomena. IEEE, 2006. http://dx.doi.org/10.1109/ceidp.2006.312020.

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5

Gaur, Mulayam Singh, and Pankaj Kumar Yadav. "Dielectric relaxation in nanocrystalline polymers." In 2015 IEEE 11th International Conference on the Properties and Applications of Dielectric Materials (ICPADM). IEEE, 2015. http://dx.doi.org/10.1109/icpadm.2015.7295408.

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6

Lassen, B., M. Jaffari, C. Melvad, G. R. Kristjánsdóttir, and R. Jones. "Hysteresis in dielectric electroactive polymers." In Second International Conference on Smart Materials and Nanotechnology in Engineering, edited by Jinsong Leng, Anand K. Asundi, and Wolfgang Ecke. SPIE, 2009. http://dx.doi.org/10.1117/12.843192.

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7

Levenson, R., J. Liang, C. Rossier, M. Van Beylen, C. Samyn, F. Foll, Rousseau, and J. Zyss. "Stability-Efficiency Trade-Off in Non-Linear Optical Polymers." In Organic Thin Films for Photonic Applications. Washington, D.C.: Optica Publishing Group, 1993. http://dx.doi.org/10.1364/otfa.1993.wd.6.

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Organic nonlinear optical materials have been the subject of increasing interest over the past decade[1]. Polymeric materials with highly polarizable molecules exhibit nonresonant NLO responses surpassing those obtained from traditional inorganic NLO materials, e.g. LiNbO3, KDP etc. Polymers offer the possibilities to optimize, by chemical synthesis, properties required for materials such as high mechanical and thermal stability. The dielectric constants of polymers ensure a very fast response-time for polymer devices [2], Compared to guest-host polymers, side chain polymers whereby NLO molecules are covalently attached lead to an increased density of nonlinear chromophores and may therefore exhibit higher nonlinear susceptibilities.
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8

Ozsecen, Muzaffer Y., Mark Sivak, and Constantinos Mavroidis. "Haptic interfaces using dielectric electroactive polymers." In SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, edited by Masayoshi Tomizuka. SPIE, 2010. http://dx.doi.org/10.1117/12.847244.

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9

Hendriksen, Berend, Mart B. J. Diemeer, Frank M. Suyten, Remi Meyrueix, Ben L. Feringa, and Jos B. Hulshof. "Dielectric characterization of nonlinear optical polymers." In SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, edited by Gustaaf R. Moehlmann. SPIE, 1993. http://dx.doi.org/10.1117/12.165259.

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10

Pei, Qibing. "Making stretchy dielectric, conductive, and semiconductor polymers." In Electroactive Polymer Actuators and Devices (EAPAD) XXIII, edited by John D. Madden, Iain A. Anderson, and Herbert R. Shea. SPIE, 2021. http://dx.doi.org/10.1117/12.2584462.

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Звіти організацій з теми "Dielectric polymers"

1

Rajca, Andrzej. Organic Polymers with Magneto-Dielectric Properties. Fort Belvoir, VA: Defense Technical Information Center, March 2007. http://dx.doi.org/10.21236/ada467781.

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Jones, Robert J., and Ward F. Wright. High Temperature Polymer Dielectric Film Insulation. Fort Belvoir, VA: Defense Technical Information Center, February 1992. http://dx.doi.org/10.21236/ada255243.

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3

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

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4

Obrzut, Jan, C. K. Chiang, R. Popielarz, and R. Nozaki. Evaluation of dielectric properties of polymer thin-film materials for application in embedded capacitance. Gaithersburg, MD: National Institute of Standards and Technology, 2000. http://dx.doi.org/10.6028/nist.ir.6537.

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5

Chaffee, Kevin P., and Patrick T. Mather. A Preliminary Investigation of the Interfacial and Dielectric Properties of Polyhedral Oligomeric Silsesquioxane Polymer Blends. Fort Belvoir, VA: Defense Technical Information Center, November 1998. http://dx.doi.org/10.21236/ada362369.

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6

Venkat, Narayanan, Victor K. McNier, Bang-Hung Tsao, Thuy D. Dang, Jennifer N. DeCerbo, and Jeffery T. Stricker. High Performance Polymer Film Dielectrics for Air Force Wide-Temperature Power Electronics Applications (Preprint). Fort Belvoir, VA: Defense Technical Information Center, February 2009. http://dx.doi.org/10.21236/ada525306.

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7

Eager, G. S. Jr, G. W. Seman, and B. Fryszczyn. Determination of threshold and maximum operating electric stresses for selected high voltage insulations: Investigation of aged polymeric dielectric cable. Final report. Office of Scientific and Technical Information (OSTI), November 1995. http://dx.doi.org/10.2172/212744.

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