نتایج جستجو برای: pyrolytic graphite electrode

تعداد نتایج: 78440  

Journal: : 2023

A conventional route to create such nanoscale electronic devices using the autonomous ordering and assembly of organic molecules on atomically well-defined surfaces has been proposed. However, these thin films are unstable in realistic environments due weak interaction between crystal surfaces. Therefore, enhancing interfacial them is assigned as key approach extend scope application promising ...

Journal: :Advanced Materials Interfaces 2022

Abstract This study reports the selective hydroxylation of macroscopic carbon surfaces that renders initially hydrophobic fiber paper hydrophilic for more than one year (62 weeks) so far. long time sustained hydrophilicity is unprecedented and transforms utility materials. Quantification surface oxygenates a systematic series 13 chemical treatments reveals hydroxyls are predictors long‐lasting ...

2015
Xiaochang Miao Sefaattin Tongay Arthur F. Hebard

We report that the ferromagnetism of highly ordered pyrolytic graphite (HOPG) samples as measured by hysteretic magnetization loops can be diminished and eventually extinguished with sufficiently long high vacuum anneals at temperatures on the order of 2300 !C. Concomitant with the extinction of ferromagnetism, we observe an annealinduced increase in grain size (accompanied by possible edge rec...

Journal: :Journal of Physics: Conference Series 2020

2017
Tommi Kaplas Polina Kuzhir

The properties and synthesis procedures of the nanometrically thin pyrolyzed photoresist films (PPF) and the pyrolytic carbon films (PCF) were compared, and a number of similarities were found. Closer examination showed that the optical properties of these films are almost identical; however, the DC resistance of PPF is about three times higher than that of PCF. Moreover, we observed that the w...

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