Interplay of luminescence and magnetic phenomena in Mn-doped ZnS zinc blende nanocrystals: Influence of magnetic doping

IF 3.3 3区物理与天体物理 Q2 OPTICS

Journal of Luminescence Pub Date : 2024-09-04 DOI:10.1016/j.jlumin.2024.120870

Luis Alberto Hernández-Hernández , José Alfredo Pescador-Rojas , Guillermo Santana-Rodríguez , Francisco Javier Martínez-Farías , E. Rangel-Cortes , Miguel Meléndez-Lira , Arturo Hernández-Hernández , Alberto Rubio-Ponce

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引用次数: 0

Abstract

This research comprehensively investigates the interplay between luminescence and magnetic phenomena in the zinc blende phase of manganese-doped and undoped zinc sulfide. The study involves the synthesis of zinc sulfide nanocrystals through a soft chemical method, followed by an in-depth experimental characterization. Theoretical studies were conducted using a 2 × 2 × 2 supercell model with 64 atoms to explore the impact of native defects and manganese doping on zinc sulfide's the electronic, magnetic, and optical properties. The research findings offer a detailed physical description of magnetic and optic phenomena observed, underpinned by a strong correlation between theoretical predictions and experimental results. An essential contribution of this work is developing a depiction that elucidates the relationship between optical transitions and spin-exchange in the context of these phenomena.

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掺杂锰的 ZnS 锌混合物纳米晶体中发光与磁现象的相互作用：磁性掺杂的影响

这项研究全面探讨了掺杂锰和未掺杂硫化锌的锌混合物相中发光与磁现象之间的相互作用。研究采用软化学方法合成了纳米硫化锌晶体，然后进行了深入的实验表征。理论研究采用了一个包含 64 个原子的 2 × 2 × 2 超级晶胞模型，以探讨原生缺陷和锰掺杂对硫化锌的电子、磁学和光学特性的影响。研究成果对观察到的磁学和光学现象进行了详细的物理描述，理论预测和实验结果之间存在很强的相关性。这项工作的一个重要贡献是开发了一种描述方法，在这些现象的背景下阐明了光学转变与自旋交换之间的关系。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Luminescence 物理-光学

CiteScore

6.70

自引率

13.90%

发文量

850

审稿时长

3.8 months

期刊介绍： The purpose of the Journal of Luminescence is to provide a means of communication between scientists in different disciplines who share a common interest in the electronic excited states of molecular, ionic and covalent systems, whether crystalline, amorphous, or liquid. We invite original papers and reviews on such subjects as: exciton and polariton dynamics, dynamics of localized excited states, energy and charge transport in ordered and disordered systems, radiative and non-radiative recombination, relaxation processes, vibronic interactions in electronic excited states, photochemistry in condensed systems, excited state resonance, double resonance, spin dynamics, selective excitation spectroscopy, hole burning, coherent processes in excited states, (e.g. coherent optical transients, photon echoes, transient gratings), multiphoton processes, optical bistability, photochromism, and new techniques for the study of excited states. This list is not intended to be exhaustive. Papers in the traditional areas of optical spectroscopy (absorption, MCD, luminescence, Raman scattering) are welcome. Papers on applications (phosphors, scintillators, electro- and cathodo-luminescence, radiography, bioimaging, solar energy, energy conversion, etc.) are also welcome if they present results of scientific, rather than only technological interest. However, papers containing purely theoretical results, not related to phenomena in the excited states, as well as papers using luminescence spectroscopy to perform routine analytical chemistry or biochemistry procedures, are outside the scope of the journal. Some exceptions will be possible at the discretion of the editors.