论文标题

LN2(SEO3)2(SO4)(H2O)2(LN = SM,DY,YB):新Lathanide(III)多功能材料的混合配体途径,具有非线性光学和磁性各向异性特性

Ln2(SeO3)2(SO4)(H2O)2 (Ln = Sm, Dy, Yb): A Mixed-Ligand Pathway to New Lathanide (III) Multifunctional Materials Featuring Nonlinear Optical and Magnetic Anisotropy Properties

论文作者

Oyeka, Ebube, Winiarski, Michal J., Świątek, Hanka, Balliew, Wyatt, McMillen, Colin D., Liang, Mingli, Sorolla II, Maurice, Tran, Thao T.

论文摘要

涉及精确放置的旋转载体和优化的金属配体配位的光学非线性和磁性灯笼材料的自下而上的组装为开发电子体系结构提供了一种潜在的途径,用于相干辐射生成和基于旋转的技术,但在历史上,化学设计在历史上很难实现。为了解决这个问题,我们开发了一种有价值的大道,用于通过混合配体设计创建新的非中心性手性LN3+材料LN2(SEO3)2(SO4)2(SO4)(SO4)(H2O)2(LN = SM,DY,YB)。该材料表现出相匹配的非线性光学响应,从而阐明了杂动策略的可行性。 LN2(SEO3)2(SO4)(H2O)2显示具有强磁各向异性的顺磁性特性,由大型自旋轨道耦合促进。这项研究展示了一种新的化学途径,用于创建具有多种功能的先前未知的极性手性磁铁。

Bottom-up assembly of optically nonlinear and magnetically anisotropic lanthanide materials involving precisely placed spin carriers and optimized metal-ligand coordination offers a potential route to developing electronic architectures for coherent radiation generation and spin-based technologies, but the chemical design historically has been extremely hard to achieve. To address this, we developed a worthwhile avenue for creating new noncentrosymmetric chiral Ln3+ materials Ln2(SeO3)2(SO4)(H2O)2 (Ln = Sm, Dy, Yb) by mixed-ligand design. The materials exhibit phase-matching nonlinear optical responses, elucidating the feasibility of the heteroanionic strategy. Ln2(SeO3)2(SO4)(H2O)2 displays paramagnetic property with strong magnetic anisotropy facilitated by large spin-orbit coupling. This study demonstrates a new chemical pathway for creating previously unknown polar chiral magnets with multiple functionalities.

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