Directly Metering Light Absorption and Heat Transfer in Single Nanowires Using Metal-Insulator Transition in VO2

被引：23

作者：

Cheng, Chun ^{[1
,2
,3
,4
]}

Fu, Deyi ^{[1
]}

Liu, Kai ^{[1
,3
]}

Guo, Hua ^{[3
]}

Xu, Shuigang ^{[5
]}

Ryu, Sang-Gil ^{[4
]}

Ho, Otto ^{[1
]}

Zhou, Jian ^{[1
]}

Fan, Wen ^{[1
]}

Bao, Wei ^{[1
,3
]}

Salmeron, Miquel ^{[1
,3
]}

Wang, Ning ^{[5
]}

Grigoropoulos, Costas P. ^{[4
]}

Wu, Junqiao ^{[1
,3
]}

机构：

[1] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA

[2] South Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen 518055, Guangdong, Peoples R China

[3] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA

[4] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA

[5] Hong Kong Univ Sci & Technol, Dept Phys, Hong Kong, Hong Kong, Peoples R China

来源：

ADVANCED OPTICAL MATERIALS | 2015年 / 3卷 / 03期

基金：

中国国家自然科学基金; 美国国家科学基金会;

关键词：

PHASE-TRANSITION; THERMAL-CONDUCTIVITY; ORGANIZATION; DOMAINS;

D O I：

10.1002/adom.201400483

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A near-field powermeter that directly quantifies light absorption and heat transfer in single nanowires is demonstrated. The mechanism is based on the metal-insulator transition in single-crystal VO2 microbeams, where the domain wall exhibits distinct optical contrast between the two phases. The powermeter is contactless and optically readable, allowing quick determination of optical absorbance, thermal conductivity, and contact thermal resistance of single nanostructures. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：336 / 341

页数：6

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