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나노물질및화학반응연구단
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Enhancement of Friction by Water Intercalated between Graphene and Mica

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dc.contributor.authorHyunsoo Lee-
dc.contributor.authorJae-Hyeon Ko-
dc.contributor.authorJin Sik Choi-
dc.contributor.authorJin Heui Hwang-
dc.contributor.authorYong-Hyun Kim-
dc.contributor.authorMiquel Salmeron-
dc.contributor.authorJeong Young Park-
dc.date.available2018-01-03T00:36:17Z-
dc.date.created2017-08-29-
dc.date.issued2017-08-
dc.identifier.issn1948-7185-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/4136-
dc.description.abstractCommon experience shows that friction converts mechanical energy into heat. The first part of this process is vibrational excitation of atoms at the interface between rubbing bodies. The second part is the removal of the vibration energy by transferring it from the interface to the substrate. However, it is difficult to disentangle the excitation and energy transfer processes. We solved this by using a system consisting of a SiO2-terminated tip sliding over graphene deposited on mica with intercalated water between them. The intercalated water was found to increase friction by a factor of ∼3 relative to dry mica. Density functional theory calculations show that water broadens the spectral range of graphene vibrations - particularly the low-frequency flexural modes - thus providing new excitation channels and also by increasing the overlap with the atomic vibrations of the mica substrate, which facilitates coupling and energy transfer. © 2017 American Chemical Society-
dc.description.uri1-
dc.language영어-
dc.publisherAMER CHEMICAL SOC-
dc.titleEnhancement of Friction by Water Intercalated between Graphene and Mica-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000407191300006-
dc.identifier.scopusid2-s2.0-85026825975-
dc.identifier.rimsid60052ko
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorHyunsoo Lee-
dc.contributor.affiliatedAuthorJin Heui Hwang-
dc.contributor.affiliatedAuthorJeong Young Park-
dc.identifier.doi10.1021/acs.jpclett.7b01377-
dc.identifier.bibliographicCitationJOURNAL OF PHYSICAL CHEMISTRY LETTERS, v.8, no.15, pp.3482 - 3487-
dc.citation.titleJOURNAL OF PHYSICAL CHEMISTRY LETTERS-
dc.citation.volume8-
dc.citation.number15-
dc.citation.startPage3482-
dc.citation.endPage3487-
dc.date.scptcdate2018-10-01-
dc.description.wostc8-
dc.description.scptc8-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
Appears in Collections:
Center for Nanomaterials and Chemical Reactions(나노물질 및 화학반응 연구단) > 1. Journal Papers (저널논문)
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