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Article: Extreme in-plane phonon blocking in simple chainlike crystals

TitleExtreme in-plane phonon blocking in simple chainlike crystals
Authors
Issue Date2-Aug-2022
PublisherAmerican Physical Society
Citation
Physical Review B, 2022, v. 106, n. 5 How to Cite?
AbstractTaking chainlike TlXSe2 (X = Tl, In, Al) as examples, we find that weak in-plane atomic interactions in these crystals intrinsically lead to extreme in-plane phonon blocking and heat flux confinement. We explicitly evaluate the propagative and diffusive lattice thermal transports based on the unified theory on top of the fourth-order lattice anharmonicity, and the results manifest that high-frequency phonons make negligible contributions to two channel heat transfer along the in-plane directions. This phenomenon provides a feasible approach for an effective suppression of the overall lattice thermal conductivity (kappa(L)). The findings are also applicable to a series of quasi-one-dimensional solids with different crystal structures. This work provides fundamental insight into the understanding and minimization of low kappa(L) of quasi-one-dimensional crystals by focusing on their harmonic lattice dynamics.
Persistent Identifierhttp://hdl.handle.net/10722/331090
ISSN
2023 Impact Factor: 3.2
2023 SCImago Journal Rankings: 1.345
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZeng, ZZ-
dc.contributor.authorZhang, CZ-
dc.contributor.authorOuyang, NC-
dc.contributor.authorChen, Y-
dc.date.accessioned2023-09-21T06:52:39Z-
dc.date.available2023-09-21T06:52:39Z-
dc.date.issued2022-08-02-
dc.identifier.citationPhysical Review B, 2022, v. 106, n. 5-
dc.identifier.issn2469-9950-
dc.identifier.urihttp://hdl.handle.net/10722/331090-
dc.description.abstractTaking chainlike TlXSe2 (X = Tl, In, Al) as examples, we find that weak in-plane atomic interactions in these crystals intrinsically lead to extreme in-plane phonon blocking and heat flux confinement. We explicitly evaluate the propagative and diffusive lattice thermal transports based on the unified theory on top of the fourth-order lattice anharmonicity, and the results manifest that high-frequency phonons make negligible contributions to two channel heat transfer along the in-plane directions. This phenomenon provides a feasible approach for an effective suppression of the overall lattice thermal conductivity (kappa(L)). The findings are also applicable to a series of quasi-one-dimensional solids with different crystal structures. This work provides fundamental insight into the understanding and minimization of low kappa(L) of quasi-one-dimensional crystals by focusing on their harmonic lattice dynamics.-
dc.languageeng-
dc.publisherAmerican Physical Society-
dc.relation.ispartofPhysical Review B-
dc.titleExtreme in-plane phonon blocking in simple chainlike crystals-
dc.typeArticle-
dc.identifier.doi10.1103/PhysRevB.106.054302-
dc.identifier.scopuseid_2-s2.0-85136109147-
dc.identifier.volume106-
dc.identifier.issue5-
dc.identifier.eissn2469-9969-
dc.identifier.isiWOS:000836331400003-
dc.publisher.placeCOLLEGE PK-
dc.identifier.issnl2469-9950-

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