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Updated: Jun 19, 2026

Characterization of Thermal Transport in One-dimensional Solid Materials
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锁定光热方法用于在平面内测量热扩散率,使用悬浮SiNx膜上的阵列温度传感器

Felix Jiang1,2, Meguya Ryu2,3, Vivek Pachauri1

  • 1Institute of Materials in Electrical Engineering 1, RWTH Aachen University, Sommerfeldstraße 18-24, Aachen 52074, Germany.

The Review of scientific instruments
|September 29, 2023
PubMed
概括

一个新的设备使用锁定光热方法测量化 (SiNx) 膜的平面内热扩散率. 结果显示,纳米级几何学与散装材料相比,显著降低了热扩散率.

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There are two main infrared (IR) spectrophotometers: dispersive IR spectrometers and Fourier transform infrared (FTIR) spectrometers. In a dispersive IR spectrometer, a beam of infrared radiation produced by a hot wire is divided into two parallel equal-intensity beams using mirrors. One beam passes through the sample, while another is a reference beam. The beams then move through the monochromator, which separates the radiations into a continuous spectrum of different frequencies. The...
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There are different types of detectors used in gas chromatography, each with its own specific properties that make it suitable for detecting certain types of analytes. The most commonly used detectors in GC are thermal conductivity detector (TCD), flame ionization detector (FID), and electron capture detector (ECD).
TCD is the earliest and most widely used detector that operates by measuring the changes in the thermal conductivity of the carrier gas. When a sample compound enters the detector,...