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New ordered structu...
New ordered structure of amorphous carbon clusters induced by fullerene-cubane reactions
- Article/chapterEnglish2018
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2018-04-15
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Wiley-VCH Verlagsgesellschaft,2018
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electronicrdacarrier
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LIBRIS-ID:oai:DiVA.org:umu-147645
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https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-147645URI
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https://doi.org/10.1002/adma.201706916DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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As a new category of solids, crystalline materials constructed with amorphous building blocks expand the structure categorization of solids, for which designing such new structures and understanding the corresponding formation mechanisms are fundamentally important. Unlike previous reports, new amorphous carbon clusters constructed ordered carbon phases are found here by compressing C8H8/C60 cocrystals, in which the highly energetic cubane (C8H8) exhibits unusual roles as to the structure formation and transformations under pressure. The significant role of C8H8 is to stabilize the boundary interactions of the highly compressed or collapsed C60 clusters which preserves their long‐range ordered arrangement up to 45 GPa. With increasing time at high pressure, the gradual random bonding between C8H8 and carbon clusters, due to “energy release” of highly compressed cubane, leads to the loss of the ability of C8H8 to stabilize the carbon cluster arrangement. Thus a transition from short‐range disorder to long‐range disorder (amorphization) occurs in the formed material. The spontaneous bonding reconstruction most likely results in a 3D network in the material, which can create ring cracks on diamond anvils.
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Yao, Mingguang
(author)
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Dong, JiaJun
(author)
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Ge, Peng
(author)
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Dong, Qing
(author)
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Kováts, Éva
(author)
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Pekker, Sándor
(author)
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Chen, Shuanglong
(author)
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Liu, Ran
(author)
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Liu, Bo
(author)
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Cui, Tian
(author)
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Sundqvist, BertilUmeå universitet,Institutionen för fysik,State Key Laboratory of Superhard Materials College of Physics Jilin University, Changchun, China(Swepub:umu)besu0001
(author)
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Liu, Bingbing
(author)
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Umeå universitetInstitutionen för fysik
(creator_code:org_t)
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In:Advanced Materials: Wiley-VCH Verlagsgesellschaft300935-96481521-4095
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Du, Mingrun
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Yao, Mingguang
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Dong, JiaJun
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Ge, Peng
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Dong, Qing
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Kováts, Éva
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Pekker, Sándor
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Chen, Shuanglong
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Liu, Ran
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Liu, Bo
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Cui, Tian
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Sundqvist, Berti ...
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Liu, Bingbing
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- NATURAL SCIENCES
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NATURAL SCIENCES
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Umeå University