Frustrated pretransitional phenomena in aperiodic composites

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dc.contributor.author Mariette, C.
dc.contributor.author Frantsuzov, Ilya
dc.contributor.author Wang, Bo
dc.contributor.author Guerin, L.
dc.contributor.author Rabiller, P.
dc.contributor.author Hollingsworth, Mark D.
dc.contributor.author Toudic, B.
dc.date.accessioned 2017-11-30T21:44:08Z
dc.date.available 2017-11-30T21:44:08Z
dc.identifier.uri http://hdl.handle.net/2097/38353
dc.description Citation: Mariette, C., Frantsuzov, I., Wang, B., Guerin, L., Rabiller, P., Hollingsworth, M. D., & Toudic, B. (2016). Frustrated pretransitional phenomena in aperiodic composites. Physical Review B, 94(18), 9. doi:10.1103/PhysRevB.94.184105
dc.description.abstract This paper reports on symmetry breaking in the aperiodic inclusion compound n-octadecane/urea and its isotopomer n-octadecane/urea-d(4). The high-symmetry phase is described by a hexagonal rank-4 superspace group. Pretransitional phenomena in this crystallographic superspace reveal competing short-range-ordering phenomena within the high-symmetry phase. Very high-resolution diffraction data show that critical scattering appears at inequivalent points within the four-dimensional Brillouin zone, although the first phase transition at T-c1 near 158 K implies the condensation at only one of those points. The resulting superspace group remains of dimension 4. Two other phase transitions are reported at T-c2 = 152.8(4) K and T-c3 = 109(4) K in n-octadecane/urea-d(4). The two low-symmetry phases that arise are described by rank-5 superspace groups.
dc.relation.uri https://doi.org/10.1103/PhysRevB.94.184105
dc.rights ©2016 American Physical Society. This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).
dc.rights.uri https://journals.aps.org/authors/transfer-of-copyright-agreement
dc.subject Urea Inclusion-Compounds
dc.subject X-Ray-Diffraction
dc.subject Diffuse-Scattering
dc.subject Phase-Transition
dc.subject N-Paraffins
dc.subject Compounds Oc(Nh2)2+Cnh2N+2
dc.title Frustrated pretransitional phenomena in aperiodic composites
dc.type Article
dc.date.published 2016
dc.citation.doi 10.1103/PhysRevB.94.184105
dc.citation.issn 2469-9950
dc.citation.issue 18
dc.citation.jtitle Physical Review B
dc.citation.spage 9
dc.citation.volume 94
dc.contributor.authoreid mdholl
dc.contributor.kstate Hollingsworth, Mark D.


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