High-Resolution Terahertz Spectroscopy for Investigation of Energetic Materials During Their Thermal Decomposition

被引：3

作者：

Vaks, Vladimir ^{[1
,2
,3
]}

Domracheva, Elena ^{[1
]}

Chernyaeva, Mariya ^{[1
,2
,4
]}

Pripolzin, Sergey ^{[1
]}

Anfertev, Vladimir ^{[1
]}

Yablokov, Anton ^{[1
]}

Lukyanenko, Iliya ^{[5
]}

Sheikov, Yurij ^{[5
]}

机构：

[1] Russian Acad Sci, Inst Phys Microstruct, Nizhnii Novgorod 603087, Russia

[2] Lobachevsky State Univ, Nizhnii Novgorod 603950, Russia

[3] Nizhnii Novgorod State Tech Univ, Nizhnii Novgorod 603155, Russia

[4] Lobachevsky State Univ, Nizhnii Novgorod 603950, Russia

[5] Russian Fed Nucl Ctr VNIIEF, Sarov 607188, Russia

来源：

IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY | 2021年 / 11卷 / 04期

基金：

俄罗斯基础研究基金会;

关键词：

Frequency synthesizers; Thermal decomposition; Spectroscopy; Synthesizers; Phase frequency detectors; Harmonic analysis; Power harmonic filters; Decomposition products; energy materials; high-resolution terahertz spectroscopy; system heating the cell and the reaction volume; thermal decomposition; EXPLOSIVES;

D O I：

10.1109/TTHZ.2021.3074030

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The possibilities of using high-resolution terahertz spectroscopy for studying the composition of vapors of energy materials during their thermal decomposition were investigated. A high resolution nonstationary spectrometer for gas analysis based on the phase-shift of 115-178 GHz radiation acting on gas and a system heating the measuring cell and the reaction volume were developed and implemented. Possible mechanisms of thermal decomposition were found for four substances (ammonium nitrate, pentaerythritetetranitrate, octogen, triaminotrinitrobenzene) and sets of substances appearing during their thermolysis were determined experimentally. The results obtained show that high-resolution spectroscopy operating on nonstationary effects is a promising technique for qualitative analysis of multicomponent gas mixtures of the thermal decomposition products of explosives, including the appearance of products at different stages of sample heating. Besides the developed method can be used for the analysis of gas mixtures (gases, vapors, natural, and thermal decomposition products) of various origins for many applications (biology, medicine, agricultural applications).

引用

页码：443 / 453

页数：11

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