紫水晶中Fe4+杂质离子基电子态的宽带EPR谱

IF 1.1 4区物理与天体物理 Q4 PHYSICS, ATOMIC, MOLECULAR & CHEMICAL Applied Magnetic Resonance Pub Date : 2023-05-15 DOI:10.1007/s00723-023-01545-8

V. F. Tarasov, R. B. Zaripov, V. D. Scherbakov

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引用次数: 0

摘要

利用宽带顺磁共振波谱技术研究了天然紫水晶中Fe4+杂质离子基态的精细结构，频率范围为34 ~ 500 GHz。建立了零场能量分别为±4.9 GHz、435.2±45.4 GHz和584ghz的地面准双重态Sz=±2、准双重态Sz=±1和单重态Sz=0的能级方案。确定了描述电子自旋能级随磁场变化关系的有效自旋哈密顿量参数。

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Broadband EPR Spectroscopy of the Ground Electron State of the Fe4+ Impurity Ion in Amethyst

Fine structure of ground electron state of Fe⁴⁺ impurity ion in a natural amethyst crystal was studied by broadband electron paramagnetic resonance spectroscopy in the frequency range of 34–500 GHz. It is established that energy levels scheme consists of ground quasi-doublet Sz = ± 2, quasi-doublet S z= ± 1 and singlet Sz=0 with zero-field energies ± 4.9 GHz, 435.2 ± 45.4 GHz and 584 GHz, respectively. Parameters of effective spin Hamiltonian describing dependences of electron spin levels on magnetic field are determined.

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来源期刊

Applied Magnetic Resonance 物理-光谱学

CiteScore

1.90

自引率

10.00%

发文量

审稿时长

2.3 months

期刊介绍： Applied Magnetic Resonance provides an international forum for the application of magnetic resonance in physics, chemistry, biology, medicine, geochemistry, ecology, engineering, and related fields. The contents include articles with a strong emphasis on new applications, and on new experimental methods. Additional features include book reviews and Letters to the Editor.