微谐振器及电子顺磁共振波谱仪支撑仪器的最新进展。
Recent advances in microresonators and supporting instrumentation for electron paramagnetic resonance spectroscopy.
机构信息
Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, Maryland 20740, USA.
Physical Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA.
出版信息
Rev Sci Instrum. 2022 Oct 1;93(10):101101. doi: 10.1063/5.0097853.
Electron paramagnetic resonance (EPR) spectroscopy characterizes the magnetic properties of paramagnetic materials at the atomic and molecular levels. Resonators are an enabling technology of EPR spectroscopy. Microresonators, which are miniaturized versions of resonators, have advanced inductive-detection EPR spectroscopy of mass-limited samples. Here, we provide our perspective of the benefits and challenges associated with microresonator use for EPR spectroscopy. To begin, we classify the application space for microresonators and present the conceptual foundation for analysis of resonator sensitivity. We summarize previous work and provide insight into the design and fabrication of microresonators as well as detail the requirements and challenges that arise in incorporating microresonators into EPR spectrometer systems. Finally, we provide our perspective on current challenges and prospective fruitful directions.
电子顺磁共振（EPR）光谱学在原子和分子水平上表征顺磁材料的磁性质。谐振器是 EPR 光谱学的一项使能技术。微谐振器是谐振器的小型化版本，它促进了对质量受限样品的感应检测 EPR 光谱学的发展。在这里，我们提供了对微谐振器在 EPR 光谱学中应用的相关益处和挑战的看法。首先，我们对微谐振器的应用空间进行了分类，并提出了用于分析谐振器灵敏度的概念基础。我们总结了以前的工作，并深入探讨了微谐振器的设计和制造，以及在将微谐振器纳入 EPR 光谱仪系统中所产生的需求和挑战。最后，我们对当前的挑战和有前景的方向提供了看法。
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