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نویسندگان
چکیده
منابع مشابه
Ordered ionic liquid structure observed at terraced graphite interfaces.
Reflection high-energy electron diffraction is presented as a contactless, surface-specific method to probe the ion organization and layering at the ionic liquid-solid interfaces. Three regimes can be identified for the structure of 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([EMIM][Tf2N]) on highly oriented pyrolytic graphite, which is strongly dependent on the distances of ...
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Nuclear-grade graphite is a critically important high-temperature structural material for current and potentially next generation of fission reactors worldwide. It is imperative to understand its damage-tolerant behaviour and to discern the mechanisms of damage evolution under in-service conditions. Here we perform in situ mechanical testing with synchrotron X-ray computed micro-tomography at t...
متن کاملIndication of superconductivity at 35 K in graphite-sulfur composites.
We report magnetization measurements performed on graphite-sulfur composites which demonstrate a clear superconducting behavior below the critical temperature T(c0) = 35 K. The Meissner-Ochsenfeld effect, screening supercurrents, and magnetization hysteresis loops characteristic of type-II superconductors were measured. The results indicate that the superconductivity occurs in a small sample fr...
متن کاملPhase Transitions in Graphite Oxide Solvates at Temperatures Near Ambient.
It is demonstrated that solvent-saturated graphite oxide can be considered to be solid solvate, and two phases with distinctly different solvent composition are found near room temperature. Phase transitions between these two solvated phases were observed using synchrotron powder X-ray diffraction and DSC for methanol, ethanol, acetone, and dimethylformamide (DMF) solvents. Solvate A, formed at...
متن کاملComment on electrochemical kinetics at ordered graphite electrodes.
A carbon electrodes have been used in electrochemistry for more than a century, there has been renewed recent interest in electron transfer at carbon surfaces due to the development of graphene and carbon nanotube (CNT) materials. This Comment regards reports of heterogeneous electron transfer (ET) rates on highly ordered pyrolytic graphite (HOPG), which is often used as a model for single crys...
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ژورنال
عنوان ژورنال: Geological Magazine
سال: 1888
ISSN: 0016-7568,1469-5081
DOI: 10.1017/s0016756800194348