Dy (III)-Cu (II) eutectic monomolecular magnet and preparation method thereof

A single-molecule magnet and a technology for molecular magnets are applied in the field of Dy-Cu eutectic single-molecule magnets and their preparation, and achieve the effects of high yield, broad application prospects and simple process.
CN111116343AActive Publication Date: 2020-05-08ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
Publication Date
2020-05-08

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Abstract

The invention discloses a Dy (III)-Cu (II) eutectic monomolecular magnet and a preparation method thereof. The chemical formula of the Dy (III)-Cu (II) eutectic monomolecular magnet is [Dy(hfac)3(H2O)2]-[Cu(acac)2], wherein hfac is a hexafluoroacetylacetone anion, and acac is an acetylacetone anion. The preparation method comprises the following steps: adding a methanol solution dissolved with Dy(hfac)3(H2O)2 into a dichloromethane solution dissolved with Cu(acac)2, performing room-temperature stirring for 15-20 min, filtering to obtain a clear solution, naturally volatilizing the clear solution for 3 d to obtain dark green crystals, filtering, and washing and drying the dark green crystals to obtain the Dy (III)-Cu (II) eutectic monomolecular magnet. The Dy (III)-Cu (II) eutectic molecular material has the performance of a single-molecule magnet, and has a wide application prospect in the aspects of high-density information storage equipment, quantum chemical calculation, spintronicsand the like as a molecular-based magnetic material.
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Description

technical field

[0001] The invention belongs to the technical field of preparation and application of molecular-based magnetic materials, and in particular relates to a Dy(III)-Cu(II) eutectic single-molecule magnet and a preparation method thereof. Background technique

[0002] Single-molecule magnets are composed of independent single molecules that have almost no interaction in the magnetic sense. Each molecule can be regarded as a magnetic unit. At the blocking temperature T B The following exhibit superparamagnetic behavior. Single-molecule magnets have the characteristics of magnetic bistability, and can exhibit the hysteresis and slow magnetic relaxation behavior of traditional macroscopic magnets, so they have potential applications in ultra-high-density information storage, quantum computing, and molecular spintronics. ; On the other hand, single-molecule magnets usually exhibit the quantum tunneling effect (QTM effect) of microscopic particles at low temperature,...

Claims

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