Magnetic Circular Dichroism in Nanomaterials: New Opportunity in Understanding and Modulation of Excitonic and Plasmonic Resonances,Advanced Materials

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Magnetic Circular Dichroism in Nanomaterials: New Opportunity in Understanding and Modulation of Excitonic and Plasmonic Resonances
Advanced Materials ( IF 27.4 ) Pub Date : 2018-10-21 , DOI: 10.1002/adma.201801491
Bing Han ₁ , Xiaoqing Gao ₂ , Jiawei Lv ₂ , Zhiyong Tang _{2,

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Affiliation

The unique capability of magnetic circular dichroism (MCD) in revealing geometry and electronic information has provided new opportunities in exploring the relationship between structure and magneto‐optical properties in nanomaterials with extraordinary optical absorption. Here, the representative studies referring to application of the MCD technique in semiconductor and noble metal nanomaterials are overviewed. MCD is powerful in elucidating the structural information of the excitonic transition in semiconductor nanocrystals, electronic transitions in noble metal nanoclusters, and plasmon resonance in noble metal nanostructures. By virtue of these advantages, the MCD technique shows its unrivalled ability in evaluating the magnetic modulation of excitonic and plasmonic optical activity of nanomaterials with varied chemical composition, geometry, assembly conformation, and coupling effect. Knowledge of the key factors in manipulating magneto‐optical properties at the nanoscale acquired with the MCD technique will largely boost the application of semiconductor and noble nanomaterials in the fields of sensing, spintronic, nanophotonics, etc.

中文翻译：

纳米材料中的磁性圆二色性：激磁和等离子体共振的理解和调制的新机会。

磁性圆二色性（MCD）揭示几何和电子信息的独特能力，为探索具有非凡光吸收性能的纳米材料的结构与磁光特性之间的关系提供了新的机会。在此，概述了有关MCD技术在半导体和贵金属纳米材料中的应用的代表性研究。MCD在阐明半导体纳米晶体中的激子跃迁，贵金属纳米团簇中的电子跃迁以及贵金属纳米结构中的等离振子共振的结构信息方面非常有力。凭借这些优势，MCD技术在评估具有不同化学成分，几何形状，装配构象和耦合效应。通过MCD技术获得的在纳米级操纵磁光特性的关键因素的知识将大大促进半导体和贵金属纳米材料在传感，自旋电子学，纳米光子学等领域的应用。

更新日期：2018-10-21

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