Hydrated 1,2-bis(4-pyridyl) ethylene manganese sulfate ferroelectric functional material and method for preparing same

A technology based on ferromanganese sulfate and pyridyl, which is applied in the field of hydrated 1,2-divinyl manganese sulfate ferroelectric functional materials and its preparation. It can solve the problems that cannot meet the requirements of microelectronic devices, and achieve high yield and simple process. , The effect of low equipment requirements

Inactive Publication Date: 2013-03-20
NINGBO UNIV
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Benefits of technology

This patented technology allows for creating an iron eletrode called Ferroelectic Functional Materials by mixing water soluble FeCoMPaferrite or another type of metal oxide together. These materials have unique characteristics such as being able to store charge without losing their ability to be affected when exposed to external stimuli like lightning strikes. They also exhibit good piezoelectrical response even at room temperature due to strong magnetic interactions between them. Overall these technical features make this new substance useful for various applications including sensors, actuators, energy storage devices, biomedical tools, etc., which can improve performance over existing technologies.

Problems solved by technology

This patented technical problem addressed in this patents relates to finding ways to improve the properties of certain types of material called ferrous oxide or iron nitride while maintain their usefulness across various industries like electronics, energy storage systems, transportation vehicles, military equipment, medical diagnostic tools, etc., particularly when they require large amounts of electric power without losing functionality over long periods of use.

Method used

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  • Hydrated 1,2-bis(4-pyridyl) ethylene manganese sulfate ferroelectric functional material and method for preparing same
  • Hydrated 1,2-bis(4-pyridyl) ethylene manganese sulfate ferroelectric functional material and method for preparing same
  • Hydrated 1,2-bis(4-pyridyl) ethylene manganese sulfate ferroelectric functional material and method for preparing same

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Embodiment 1

[0015] 5mmol of MnSO 4 dissolved in 20mLCH 3 OH and 20mL of water in methanol solution, stirred until completely dissolved to make a manganese sulfate solution with a concentration of 0.125mol / L, and added 5mmol of 1,2-bis(4-pyridyl)ethylene to the manganese sulfate solution, and stirred A white turbid solution was made under stirring, and then 1M H was added dropwise under stirring 2 SO 4 The solution turns from white turbidity to yellow turbidity, standing still until the precipitation is complete, and hydrated 1,2-bis(4-pyridyl)ethylene manganese sulfate is precipitated, and after filtration, hydrated 1,2-bis(4-pyridyl) Ethylene manganese sulfate precipitation was added by 20mL CH 3 OH and 20mL of water are prepared in a methanol solution at 60-90°C, cooled to room temperature, and left to stand until the yellow crystals are precipitated to obtain hydrated 1,2-bis(4-pyridyl)ethylene manganese sulfate crystals. Grinding in an agate mortar to form a powder passing through...

Embodiment 2

[0017] Basically the same as Example 1, the difference is only 5mmol of MnSO 4 dissolved in 50mLCH 3 OH and 50 mL of water in methanol solution.

[0018] Adopt Rigaku R-Axis Rapid single crystal diffractometer to carry out single crystal X-ray diffraction to the crystal obtained in the above-mentioned embodiment, obtain as follows figure 1 Structural diagram of hydrated 1,2-bis(4-pyridyl)vinyl manganese sulfate shown.

[0019] PXRD patterns The Bruker D8 Focus powder diffractometer was used to collect the powder diffraction patterns of the ferroelectric functional material samples at room temperature at a scanning speed of 6° / min in the 2θ angle range of 5–50°.

[0020] The hysteresis loop diagram is tested by the Premier II ferroelectric material testing system of Lipton Corporation of the United States. That is, the sample powder is pressed into tablets, coated with silver glue on both sides, dried naturally, and then the hysteresis loop is measured to obtain the ferroele...

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Abstract

The invention discloses a hydrated 1,2-bis(4-pyridyl) ethylene manganese sulfate ferroelectric functional material and a method for preparing the same. The ferroelectric functional material has the molecular formula of [Mn(bpe)(H2O)2(SO4)].H2O, wherein the bpe is the 1,2-bis (4-pyridyl) ethylene with the molecular formula of C12H10N2. The ferroelectric functional material is yellow powder with the purity of not less than 99% and has the space group structure of C2. The ferroelectric characteristic parameters of the ferroelectric functional material are as follows: the remanent polarization strength 2Pr of 0.5779mu C.cm<-2>, the coercive field 2Ec of 18kv.cm<-1>, and the saturation polarization strength Ps of 0.4117mu C.cm<-2>, wherein the saturation polarization strength of the ferroelectric functional material is 1.67 times that of the Rochelle salt. The ferroelectric functional material is a ferroelectric with excellent ferroelectric properties. The method has the advantages of simple and feasible process, low requirements for equipment, low cost of raw materials, good nucleation and crystal growth, high yield and no pollution.

Description

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Claims

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Application Information

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Owner NINGBO UNIV
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