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用于具有大矫顽力的有机-无机杂化铁磁体的FeSe双链与Fe(dien)配合物的可控连接

Controllable Connection of FeSe Double Chains and Fe(dien) Complexes for Organic-Inorganic Hybrid Ferrimagnet with a Large Coercivity.

作者信息

Shang Xiaolei, Men Xiaoling, Kuang Qifeng, Li Shaojie, Li Da, Zhang Zhidong

机构信息

Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China.

School of Materials Science and Engineering, University of Science and Technology of China, 72 Wenhua Road, Shenyang 110016, China.

出版信息

Nanomaterials (Basel). 2023 Jan 25;13(3):487. doi: 10.3390/nano13030487.

DOI:10.3390/nano13030487
PMID:36770448
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9919023/
Abstract

Organic-inorganic hybrid materials built by inorganic and organic building units have attracted intensive interest in the past decades due to unique chemical and physical properties. However, rare organic-inorganic hybrid materials show excellent permanent magnetic properties. Here, we develop a facile chemical solution method to bottom-up synthesize a new hybrid (FeSe)[Fe(dien)]. This hybrid phase with the space group (14) possesses a rodlike shape with a diameter of 100-2000 nm and a length of 5-50 µm. The hybrid rods are ferrimagnetic with a Curie temperature () of 11 K. They show a high coercivity () of 4.67 kOe and a saturation magnetization () of 13.5 emu/g at 2 K. Compared with orthorhombic (FeSe)Fe(dien), the excellent magnetic performance of the hybrid rods is ascribed to the monoclinic hybrid structure built by Fe(dien) complexes and FeSe double chains. Our study provides guidance for connecting inorganic fragments of FeSe single chains, FeSe double chains or β-FeSe layers with Fe(dien) complexes for organic-inorganic hybrid phases with varied crystal structures and magnetic properties.

摘要

在过去几十年中，由无机和有机构筑单元构建的有机-无机杂化材料因其独特的化学和物理性质而备受关注。然而，具有优异永磁性能的有机-无机杂化材料却很罕见。在此，我们开发了一种简便的化学溶液法，自下而上合成了一种新型杂化物(FeSe)[Fe(dien)]。这种具有空间群(14)的杂化相呈棒状，直径为100-2000纳米，长度为5-50微米。杂化棒具有亚铁磁性，居里温度(Tc)为11 K。在2 K时，它们表现出4.67 kOe的高矫顽力(Hc)和13.5 emu/g的饱和磁化强度(Ms)。与正交晶系的(FeSe)Fe(dien)相比，杂化棒优异的磁性能归因于由Fe(dien)配合物和FeSe双链构建的单斜杂化结构。我们的研究为将FeSe单链、FeSe双链或β-FeSe层的无机片段与Fe(dien)配合物连接起来以形成具有不同晶体结构和磁性能的有机-无机杂化相提供了指导。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/0f22303feb7e/nanomaterials-13-00487-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/e104d9a77add/nanomaterials-13-00487-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/b86b5e9f60a7/nanomaterials-13-00487-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/4d7adc52a046/nanomaterials-13-00487-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/9761b090cce6/nanomaterials-13-00487-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/9d41ad547c02/nanomaterials-13-00487-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/d8de05ad2c84/nanomaterials-13-00487-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/8ae35db0b1a2/nanomaterials-13-00487-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/e05cb76c617c/nanomaterials-13-00487-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/0f22303feb7e/nanomaterials-13-00487-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/e104d9a77add/nanomaterials-13-00487-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/b86b5e9f60a7/nanomaterials-13-00487-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/4d7adc52a046/nanomaterials-13-00487-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/9761b090cce6/nanomaterials-13-00487-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/9d41ad547c02/nanomaterials-13-00487-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/d8de05ad2c84/nanomaterials-13-00487-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/8ae35db0b1a2/nanomaterials-13-00487-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/e05cb76c617c/nanomaterials-13-00487-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5ef/9919023/0f22303feb7e/nanomaterials-13-00487-g009.jpg

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