Experimental study of thermal and electrical properties of gold nanofilms at ultra low temperature

Jin Hui Liu; Haidong Wang; Wei Gang Ma; Xing Zhang; Zeng Yuan Guo

Experimental study of thermal and electrical properties of gold nanofilms at ultra low temperature

Jin Hui Liu, Haidong Wang, Wei Gang Ma, Xing Zhang, Zeng Yuan Guo

Thermal Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Due to surface and grain boundary scattering, thermal and electrical properties of gold nanofilms exhibit significant difference compared with bulk value. Gold nanofilms with thickness of 76 nm were studied in temperature range of 3~240 K. Experimental results indicate that the electrical and thermal conductivity of gold nanofilms are greatly reduced compared to the bulk value. It different from bulk to thermal conductivity while is consistent to electrical conductivity with temperature change. Lorenz number of gold nanofilms is higher than the corresponding bulk value, which indicates Wiedemann-Franz law is inapplicable in gold nanofilms.

Original language	English
Pages (from-to)	1944-1946
Number of pages	3
Journal	Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics
Volume	33
Issue number	11
Publication status	Published - Nov 1 2012

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

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title = "Experimental study of thermal and electrical properties of gold nanofilms at ultra low temperature",

abstract = "Due to surface and grain boundary scattering, thermal and electrical properties of gold nanofilms exhibit significant difference compared with bulk value. Gold nanofilms with thickness of 76 nm were studied in temperature range of 3~240 K. Experimental results indicate that the electrical and thermal conductivity of gold nanofilms are greatly reduced compared to the bulk value. It different from bulk to thermal conductivity while is consistent to electrical conductivity with temperature change. Lorenz number of gold nanofilms is higher than the corresponding bulk value, which indicates Wiedemann-Franz law is inapplicable in gold nanofilms.",

author = "Liu, {Jin Hui} and Haidong Wang and Ma, {Wei Gang} and Xing Zhang and Guo, {Zeng Yuan}",

year = "2012",

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journal = "Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics",

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TY - JOUR

T1 - Experimental study of thermal and electrical properties of gold nanofilms at ultra low temperature

AU - Liu, Jin Hui

AU - Wang, Haidong

AU - Ma, Wei Gang

AU - Zhang, Xing

AU - Guo, Zeng Yuan

PY - 2012/11/1

Y1 - 2012/11/1

N2 - Due to surface and grain boundary scattering, thermal and electrical properties of gold nanofilms exhibit significant difference compared with bulk value. Gold nanofilms with thickness of 76 nm were studied in temperature range of 3~240 K. Experimental results indicate that the electrical and thermal conductivity of gold nanofilms are greatly reduced compared to the bulk value. It different from bulk to thermal conductivity while is consistent to electrical conductivity with temperature change. Lorenz number of gold nanofilms is higher than the corresponding bulk value, which indicates Wiedemann-Franz law is inapplicable in gold nanofilms.

AB - Due to surface and grain boundary scattering, thermal and electrical properties of gold nanofilms exhibit significant difference compared with bulk value. Gold nanofilms with thickness of 76 nm were studied in temperature range of 3~240 K. Experimental results indicate that the electrical and thermal conductivity of gold nanofilms are greatly reduced compared to the bulk value. It different from bulk to thermal conductivity while is consistent to electrical conductivity with temperature change. Lorenz number of gold nanofilms is higher than the corresponding bulk value, which indicates Wiedemann-Franz law is inapplicable in gold nanofilms.

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JO - Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics

JF - Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics

SN - 0253-231X

IS - 11

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