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> Tuning coherent-phonon heat transport in LaCoO3/SrTiO3 superlattices
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Tuning coherent-phonon heat transport in LaCoO3/SrTiO3 superlattices
Bugallo D.
;
Langenberg E.
;
Carbó-Argibay E.
;
Varela Dominguez N.
;
Fumega A.O.
;
Pardo V.
;
Lucas, I.
(Universidad de Zaragoza)
;
Morellón, L.
(Universidad de Zaragoza)
;
Rivadulla F.
Resumen:
Accessing the regime of coherent phonon propagation in nanostructures opens enormous possibilities to control the thermal conductivity in energy harvesting devices, phononic circuits, etc. In this paper we show that coherent phonons contribute substantially to the thermal conductivity of LaCoO3/SrTiO3 oxide superlattices, up to room temperature. We show that their contribution can be tuned through small variations of the superlattice periodicity, without changing the total superlattice thickness. Using this strategy, we tuned the thermal conductivity by 20% at room temperature. We also discuss the role of interface mixing and epitaxial relaxation as an extrinsic, material dependent key parameter for understanding the thermal conductivity of oxide superlattices. © 2021 The Authors. Published by American Chemical Society.
Idioma:
Inglés
DOI:
10.1021/acs.jpclett.1c03418
Año:
2021
Publicado en:
Journal of Physical Chemistry Letters
12, 49 (2021), 11878-11885
ISSN:
1948-7185
Factor impacto JCR:
6.888 (2021)
Categ. JCR:
PHYSICS, ATOMIC, MOLECULAR & CHEMICAL
rank: 5 / 36 = 0.139
(2021)
- Q1
- T1
Categ. JCR:
MATERIALS SCIENCE, MULTIDISCIPLINARY
rank: 88 / 345 = 0.255
(2021)
- Q2
- T1
Categ. JCR:
NANOSCIENCE & NANOTECHNOLOGY
rank: 41 / 109 = 0.376
(2021)
- Q2
- T2
Categ. JCR:
CHEMISTRY, PHYSICAL
rank: 46 / 165 = 0.279
(2021)
- Q2
- T1
Factor impacto CITESCORE:
9.8 -
Materials Science
(Q1)
Factor impacto SCIMAGO:
2.009 -
Nanoscience and Nanotechnology
(Q1) -
Materials Science (miscellaneous)
(Q1)
Financiación:
info:eu-repo/grantAgreement/EC/H2020/734187/EU/Spin conversion, logic storage in oxide-based electronics/SPICOLOST
Financiación:
info:eu-repo/grantAgreement/ES/MICINN-FEDER/PID2019-104150RB-I00
Financiación:
info:eu-repo/grantAgreement/ES/MINECO/MAT2016-80762-R
Tipo y forma:
Article (Published version)
Área (Departamento):
Área Física Materia Condensada
(
Dpto. Física Materia Condensa.
)
Exportado de SIDERAL (2023-05-18-15:52:05)
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Notice créée le 2022-06-17, modifiée le 2023-05-19
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