磁慢弛豫Nd(III)基非温度压力计和非压力温度计

IF 7.2 2区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Dawid Marcinkowski, Dominika Prętka, Przemysław Woźny, Jedrzej Kobylarczyk, Agnieszka Siwiak, Dawid Pakulski, Violetta Patroniak, Kinga Roszak, Andrzej Katrusiak, Radovan Herchel, Robert Podgajny, Szymon Sobczak, Natalia Majewska, Sebastian Mahlik, Marcin Runowski, Adam Gorczyński
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引用次数: 0

摘要

在具有可逆刺激诱导反应的金属-超分子体系中实现多功能特性是一个重大挑战。在这项研究中,一个简单的,容易获得的大环Nd(III)配合物[NdL(CF3SO3)3](1)显示出镧系元素中心可调谐的发射,这可以通过温度和压力来调节。在α相中,在1.5 GPa时,沿a轴开始出现负线性压缩率(NLC)。在3.0 GPa下,单晶x射线衍射显示CF3SO3 -离子有序,诱导出具有改性材料性能的非中心对称相β。相α表现出强烈的压力诱导的吸收和发射变化,适合于精确的、不依赖温度的发光测压,在近红外范围内的发射线位移为Δλ/Δp = 2.85 nm GPa−1。设计的光学传感器还可以通过Nd(III) Stark元件的压力无关波段强度比实现远程温度监测(15-460 K)。最后,使用标准拟合程序和考虑局部振动模式影响的替代方法,观察和分析了场诱导的磁化慢弛豫。这些行为的独特共存标志着朝着创建多功能超分子平台迈出了重要的一步,这些平台很容易扩展到具有可调性质的其他系统。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Nd(III)-Based Temperature-Independent Manometer and Pressure-Independent Thermometer with Slow Relaxation of Magnetization

Nd(III)-Based Temperature-Independent Manometer and Pressure-Independent Thermometer with Slow Relaxation of Magnetization

Implementing multifunctional characteristics in a metallo-supramolecular system with reversible stimuli-induced response is a significant challenge. In this study, a simple, readily available macrocyclic Nd(III) complex [NdL(CF3SO3)3] (1) exhibits tunable emission from the lanthanide center, which can be modulated by temperature and pressure. Within phase α at 1.5 GPa the onset of negative linear compressibility (NLC) along axis a takes place. At 3.0 GPa, single-crystal X-ray diffraction reveals the CF3SO3 ion ordering, inducing a non-centrosymmetric phase β with modified material properties. Phase α shows strong pressure-induced absorption and emission changes, suitable for precise, temperature-independent luminescent manometry, with an emission line shift of Δλp = 2.85 nm GPa−1 in the NIR range. The designed optical sensor also enables remote temperature monitoring (15–460 K) through a pressure-independent band intensity ratio of Nd(III) Stark components. Finally, field-induced slow relaxation of magnetization is observed and analyzed using both standard fitting procedures and alternative approach that accounts for the influence of local vibration modes. This unique coexistence of these behaviors mark a significant step toward creating multifunctional supramolecular platforms, easily extendable to other systems with tunable properties.

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来源期刊
Advanced Optical Materials
Advanced Optical Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-OPTICS
CiteScore
13.70
自引率
6.70%
发文量
883
审稿时长
1.5 months
期刊介绍: Advanced Optical Materials, part of the esteemed Advanced portfolio, is a unique materials science journal concentrating on all facets of light-matter interactions. For over a decade, it has been the preferred optical materials journal for significant discoveries in photonics, plasmonics, metamaterials, and more. The Advanced portfolio from Wiley is a collection of globally respected, high-impact journals that disseminate the best science from established and emerging researchers, aiding them in fulfilling their mission and amplifying the reach of their scientific discoveries.
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