Developments on Thermometric Techniques in Probing Micro- and Nano-heat

Ruijie Qian1,2,#

Xue Gong1,#

Huanyi Xue1,#

Weikang Lu1

Liping Zhu1

Zhenghua An1,Email

1 Key Laboratory of Surface Physics, Institute of Nanoelectronic Devices and Quantum Computing, Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Physics, Fudan University, Shanghai, 200433, China
2 National Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, The Chinese Academy of Sciences Shanghai, 200083, China

# These authors contribute equally to this work.

Abstract

Temperature is always of fundamental importance in various microscopic systems ranging from solid state nano-devices physics, chemical micro-reactions and biological cells. As traditional thermometers for macroscopic systems are not applicable in microscopic systems, alternative tools have to be developed to measure temperature at micro- and nano-scale. We provide here are view of the main currently available micro- and nano-thermometry tools including microscopic infrared thermometer, thermoreflectance, micro-Raman, plasmon energy expansion thermometry (PEET), Diamond thermometers, nanomaterial-based nanothermometers and two thermometric techniques based on scanning probe microscope (SPM), namely, scanning thermal microscope (SThM) and our recently-developed scanning noise microscope at terahertz (SNoiM).