Room-Temperature Voltage Tunable Phonon Thermal Conductivity via Reconfigurable Interfaces in Ferroelectric Thin Films

被引：150

作者：

Ihlefeld, Jon F. ^{[1
]}

Foley, Brian M. ^{[2
]}

Scrymgeour, David A. ^{[1
]}

Michael, Joseph R. ^{[1
]}

McKenzie, Bonnie B. ^{[1
]}

Medlin, Douglas L. ^{[3
]}

Wallace, Margeaux ^{[4
]}

Trolier-McKinstry, Susan ^{[4
]}

Hopkins, Patrick E. ^{[2
]}

机构：

[1] Sandia Natl Labs, Albuquerque, NM 87185 USA

[2] Univ Virginia, Dept Mech & Aerosp Engn, Charlottesville, VA 22904 USA

[3] Sandia Natl Labs, Livermore, CA 94550 USA

[4] Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA

来源：

NANO LETTERS | 2015年 / 15卷 / 03期

基金：

美国国家科学基金会; 美国能源部;

关键词：

Thermal conductivity; tunable; time domain thermoreflectance; ferroelectric; nano domain; ELECTRIC-FIELD; DOMAIN-WALLS; HEAT-FLOW; TRANSPORT; CERAMICS; DYNAMICS; KH2PO4; STATE;

D O I：

10.1021/nl504505t

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Dynamic control of thermal transport in solid-state systems is a transformative capahility with the promise to propel technologies including phonornt-logic, thermal managernent, and energy harvesting. A solid-state solution to rapidly manipulate phonons has escaped the scientific corrithuriity. We demonstrate active and reversible tuning of thermal conductivity by manipulating the nanoScale ferroelastic domain structure of a Pb(Zr0.3Ti0.7)O-3 film with applied electric fields. With subsecond response times, the room-temperature thermal conductivity was modulated by 11%.

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收藏

页码：1791 / 1795

页数：5

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