Room-temperature voltage tunable phonon thermal conductivity via reconfigurable interfaces in ferroelectric thin films.
Nano Lett
; 15(3): 1791-5, 2015 Mar 11.
Article
em En
| MEDLINE
| ID: mdl-25695423
ABSTRACT
Dynamic control of thermal transport in solid-state systems is a transformative capability with the promise to propel technologies including phononic logic, thermal management, and energy harvesting. A solid-state solution to rapidly manipulate phonons has escaped the scientific community. We demonstrate active and reversible tuning of thermal conductivity by manipulating the nanoscale ferroelastic domain structure of a Pb(Zr0.3Ti0.7)O3 film with applied electric fields. With subsecond response times, the room-temperature thermal conductivity was modulated by 11%.
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01-internacional
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MEDLINE
Assunto principal:
Condutividade Térmica
/
Nanopartículas Metálicas
/
Membranas Artificiais
Idioma:
En
Ano de publicação:
2015
Tipo de documento:
Article