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dielectric
dielectric, n. and a. (daɪɪˈlɛktrɪk) [f. di- prefix3 = Gr. δι-, δια- through + electric.] A. n. A substance or medium through or across which electric force acts without conduction; a non-conductor; an insulating medium.1837 Faraday in Phil. Trans. (1838) I. 25 The particular action described occurs... Oxford English Dictionary
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Dielectric resonator
Dielectric resonators generally consist of a "puck" of ceramic that has a large dielectric constant and a low dissipation factor. phenomena in dielectric resonators. wikipedia.org
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Hopfield dielectric
Hopfield dielectric – in quantum mechanics a model of dielectric consisting of quantum harmonic oscillators interacting with the modes of the quantum Mathematically the Hopfield dielectric for the one mode of excitation is equivalent to the Trojan wave packet in the harmonic approximation. wikipedia.org
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Dielectric spectroscopy
Dielectric spectroscopy (which falls in a subcategory of impedance spectroscopy) measures the dielectric properties of a medium as a function of frequency Dielectric mechanisms There are a number of different dielectric mechanisms, connected to the way a studied medium reacts to the applied field (see the wikipedia.org
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Gate dielectric
A gate dielectric is a dielectric used between the gate and substrate of a field-effect transistor (such as a MOSFET). Silicon dioxide remains the standard gate dielectric in MOSFET technology. wikipedia.org
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Dielectric mirror
A dielectric mirror, also known as a Bragg mirror, is a type of mirror composed of multiple thin layers of dielectric material, typically deposited on Mechanism Dielectric mirrors function based on the interference of light reflected from the different layers of dielectric stack. wikipedia.org
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Dielectric - Wikipedia
In electromagnetism, a dielectric (or dielectric medium) is an electrical insulator that can be polarised by an applied electric field.When a dielectric material is placed in an electric field, electric charges do not flow through the material as they do in an electrical conductor, because they have no loosely bound, or free, electrons that may drift through the material, but instead they ...
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CN87105473A - Lightweight dielectric according to transmissivity ...
曹后 Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Shanxi University Original Assignee Shanxi University Priority date (The priority date is an assumption and is not a legal conclusion.
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Dielectric measurements of nanoliter liquids with a photonic crystal ...
In the optical region of the electromagnetic (EM) spectrum, photonic crystal (PC) and whispering gallery (WG) mode resonators have been shown to have extremely high sensitivity for biosensing, 1-3 achieving even single molecule sensitivity. 4 In this work, we demonstrate the application of a high Q-factor photonic crystal resonator (PCR) combined with microfluidics for the measurement of the ...
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Method for determining the dielectric permittivity of a dielectric ...
The invention relates to the field of electrical engineering and, more specifically, to the remote measurement of the dielectric permittivity of dielectrics.
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High-κ dielectric - Wikipedia
High-κ dielectric. In the semiconductor industry, the term high-κ dielectric refers to a material with a high dielectric constant (κ, kappa ), as compared to silicon dioxide. High-κ dielectrics are used in semiconductor manufacturing processes where they are usually used to replace a silicon dioxide gate dielectric or another dielectric ...
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(PDF) Dielectric Spectroscopic Analysis of Vacuum ... - ResearchGate
弛豫 3 （ c ）的 τ 和 Δ ε 随贮藏时间的变化。 Fig. 4 Variations in relaxation time and relaxation intensity of relaxation 1 (A), relaxation 2 (B) and relaxation 3 (C) in vacuum
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Terahertz dielectric properties of single-crystal MgO
DOI: 10.3788/IRLA201746.0825001 Corpus ID: 139213978; Terahertz dielectric properties of single-crystal MgO @article{Guanhua2017TerahertzDP, title={Terahertz dielectric properties of single-crystal MgO}, author={任冠华 Ren Guanhua and 赵红卫 Zhao Hongwei and 张建兵 Zhang Jianbing and 田 震 Tian Zhen and 谷建强 Gu Jianqiang and 欧阳春梅 Ouyang Chunmei and 韩家广 Han ...
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Applications of electrowetting-on-dielectric (EWOD) technology for ...
Digital microfluidics is an elegant technique based on single droplets for the design, composition, and manipulation of microfluidic systems. In digital microfluidics, especially in the electrowetting on dielectric (EWOD) system, each droplet acts as an independent reactor, which enables a wide range of multiple parallel biological and chemical reactions at the microscale.
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Terahertz dielectric properties of single-crystal MgO - SciSpace by Typeset
The dielectric properties of single-crystal MgO were studied by terahertz time-domain spectroscopy in the frequency range extending from 0.5 to 9.5 THz. The refractive index, power absorption, and the complex dielectric function were extracted from experimental data. At low terahertz frequencies band (2 THz), the absorption coefficient was extremely low and increased with increasing frequency.
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