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![Measuring the Spin-Lattice Relaxation Magnetic Field Dependence of Hyperpolarized [1-13C]pyruvate](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F59399.jpg&w=3840&q=50)
Measuring the Spin-Lattice Relaxation Magnetic Field Dependence of Hyperpolarized [1-13C]pyruvate
Published on: September 13, 2019
Trigonal bipyramidal Dy5 cluster exhibiting slow magnetic relaxation
Jun-Bo Peng1, Xiang-Jian Kong, Yan-Ping Ren
1State Key Laboratory of Physical Chemistry of Solid Surface and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
A novel pentanuclear dysprosium cluster with a unique trigonal bipyramidal structure was synthesized. This dysprosium cluster exhibits slow magnetic relaxation, indicating potential for advanced magnetic applications.
Area of Science:
- Inorganic Chemistry
- Materials Science
- Magnetochemistry
Background:
- Dysprosium (Dy) clusters are of interest for their magnetic properties.
- Controlling the nuclearity and geometry of lanthanide clusters is crucial for tuning their magnetic behavior.
Purpose of the Study:
- To synthesize and characterize a novel pentanuclear dysprosium cluster.
- To investigate the structural and magnetic properties of the synthesized cluster.
Main Methods:
- Pentanuclear dysprosium cluster synthesis via reaction of 1-amino-cyclohexanel-carboxylic acid (Acc) and DyCl(3)·5H(2)O.
- Crystal structural analysis to determine the cluster's geometry.
- Magnetic studies to probe magnetic relaxation properties.
Main Results:
- Successful synthesis of a pentanuclear dysprosium cluster, [Dy(5)(μ(3)-OH)(6)(Acc)(6)(H(2)O)(10)]·Cl(9)·24H(2)O.
- Unprecedented trigonal bipyramidal (TBP) metal core geometry observed in cluster 1.
- Experimental evidence of slow magnetic relaxation in the Dy(5) cluster.
Conclusions:
- The study presents a new dysprosium cluster with a unique TBP geometry.
- The observed slow magnetic relaxation suggests potential applications in areas like molecular magnetism.
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