高频高场下EPR谱仪的研究进展
收稿日期: 2023-01-10
网络出版日期: 2023-03-30
基金资助
安徽省重点研究与开发计划专项(2022a05020036);合肥综合性国家科学中心强光磁关键技术预研项目(QGCYY03)
Research Progress of EPR Spectrometer Under High Frequency and High Field
Received date: 2023-01-10
Online published: 2023-03-30
电子顺磁共振（EPR）是一种研究磁性材料微观信息的测量手段．由于早期的EPR研究受到磁场强度和微波频率的限制，一些材料相关的微观信息并不能得到清晰地显示．近些年来，随着强磁场技术和微波技术的发展，连续波电子顺磁共振（cw-EPR）谱仪和脉冲电子顺磁共振（pulsed EPR）谱仪在高频高场下得到了充分的应用，同时谱仪的灵敏度和分辨率等技术指标也得到了比较好的提升．本文主要介绍了在高频高场下EPR谱仪的原理和构造，国内外发展历程和研究现状，以及在相关领域的最新应用．
关键词： 电子顺磁共振（EPR）; EPR谱仪; 综述; 高频高场
孔令文 , 匡光力 , 吴向阳 . 高频高场下EPR谱仪的研究进展[J]. 波谱学杂志, 2023 , 40(3) : 341 -364 . DOI: 10.11938/cjmr20233051
Electron paramagnetic resonance (EPR) is a measurement method to research the microscopic information of magnetic materials. Because early EPR studies were limited by magnetic field strength and microwave frequency, some microscopic information of materials could not be clearly displayed. In recent years, with the development of high magnetic field technology and microwave technology, continuous wave electron paramagnetic resonance (cw-EPR) spectrometer and pulsed electron paramagnetic resonance (pulsed EPR) spectrometer have been fully used under high frequency and high field, and the sensitivity, spectral resolution and other performance indicators of the spectrometer have also been improved. This paper mainly introduces the principle and structure of EPR spectrometer under high frequency and high field, its development history and research status both domestically and internationally, and the latest application in related fields.
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