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The wet transfer of graphene requires sacrificial layer, which can support graphene during the removal of metallic substrate and prevent mechanical damage of thin graphene. However, the used polymer layer leaves an amounts of debris or residue on the graphene surface. The typical amorphous thermoplastic resins that consist of macromolecular chains with no crosslinks between the chains have been investigated...
Poly (methyl methacrylate) (PMMA) is commonly used during the transfer process of chemical vapor deposited (CVD) graphene. Since PMMA on graphene surfaces is removed by breaking polymerization backbone bonds (de-polymerization), using shorter polymer chains can be a self-solving method for PMMA residue removal. We report on graphene properties transferred with different average molecular weight poly...
LiF is a transparent polar dielectric with the highest band gap among known insulators. The introduction of a LiF/graphene stacked structure provides two significant advantages: mobility enhancement and the stability of the Fermi-level-modulated (doped) state without transmittance loss. The former arises from the increased screening of charged impurities by the high-dielectric environment of LiF,...
It is not easy to align DNA sequences of whole genomes to find some useful biomarkers (in general term), as whole genome has more than 10 mega bases. Thus, we do not apply the straightforward Smith-Waterman O(N2) time and space algorithms. If some specific DNA segments in which we are interested are very sparse, then the O(n2) dynamic programming algorithm for aligning those are inefficient since...
Cheap and highly-functional digital cameras are now readily available to the public. In contrast to traditional film-based cameras, tasks of refining, classification and clustering images is burdensome to camera users. Therefore, we need an automated procedure to assist manual management of digital photos. One way to overcome this problem is to provide a summarized view covering the entire set of...
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