Thermal Conductivity: Glass‐Like Through‐Plane Thermal Conductivity Induced by Oxygen Vacancies in Nanoscale Epitaxial La 0.5 Sr 0.5 CoO 3−   δ   (Adv. Funct. Mater. 47/2017) | Zendy

Wu Xuewang | Zendy; Walter Jeff | Zendy; Feng Tianli | Zendy; Zhu Jie | Zendy; Zheng Hong | Zendy; Mitchell John F. | Zendy; Biškup Neven | Zendy; Varela Maria | Zendy; Ruan Xiulin | Zendy; Leighton Chris | Zendy; Wang Xiaojia | Zendy

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Thermal Conductivity: Glass‐Like Through‐Plane Thermal Conductivity Induced by Oxygen Vacancies in Nanoscale Epitaxial La 0.5 Sr 0.5 CoO 3− δ (Adv. Funct. Mater. 47/2017)

Author(s) -

Wu Xuewang,

Walter Jeff,

Feng Tianli,

Zhu Jie,

Zheng Hong,

Mitchell John F.,

Biškup Neven,

Varela Maria,

Ruan Xiulin,

Leighton Chris,

Wang Xiaojia

Publication year - 2017

Publication title -

advanced functional materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 6.069

H-Index - 322

eISSN - 1616-3028

pISSN - 1616-301X

DOI - 10.1002/adfm.201770284

Subject(s) - materials science , thermal conductivity , nanoscopic scale , perovskite (structure) , oxygen , condensed matter physics , conductivity , phonon , crystal (programming language) , nanotechnology , crystallography , chemistry , composite material , physics , organic chemistry , computer science , programming language

In article 1704233 , Xiaojia Wang and co‐workers demonstrate that single crystal La 0.5 Sr 0.5 CoO 3− δ films possess a glass‐like thermal conductivity through their plane. A combination of oxygen vacancies, Sr distribution, size effect, and weak electron/phonon coupling causes this effect. This discovery opens possibilities for tuning the thermal properties of perovskite thin films by manipulating heat carriers via structural/defect engineering at the atomic level.

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