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RAP opportunity at National Institute of Standards and Technology NIST Hydration of polymer dielectrics Location Material Measurement Laboratory, Materials Science and Engineering Division
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RAP opportunity at National Institute of Standards and Technology NIST Dielectric and Rheological Characterization of Chiral Cellulose Nanocrystal Polymer Composites Location Material
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are encouraged to submit research proposals on the following topics: DFT and MD for computational dielectric spectroscopy Properties of electrochemical double layer (effects on the local polarization, structure
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. Candidates with a basic familiarity with microwave components and circuits are preferred. References Lee CH, et al: Exploiting dimensionality and defect mitigation to create tunable microwave dielectrics
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301.975.4347 Description Certain functional materials, especially those with perovskite or related structures, exhibit remarkable physical properties, such as large dielectric constants, large piezoelectric
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are affected by subtle changes in molecular weight, dielectric constant, charge valence, ionic strength, and charge density. The perturbation of the structure and dynamics at solid-liquid interfaces is poorly
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, and flow; the use of critical venturis as primary flow standards; the realization of a primary pressure standard based on measuring the dielectric constant of helium; the development of novel
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spectrum. With the march to higher frequencies, there is a growing clamor that conventional materials and characterization techniques are not up to the challenge. For example, commercial tunable dielectrics
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structures can be used to extract intrinsic material quantities, such as the conductivity or dielectric permittivity and/or magnetic permeability, of the constituent thin-film materials. The material
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-fluid equilibrium, fugacity and activity coefficients, virial coefficients to describe vapor nonideality, transport properties, dielectric constant, and refractive index. Systems of interest include