Ferroelectric material organically templated metal boron phosphate and preparation method and application thereof

A technology of borophosphate and organic templates, applied in organic chemistry, cobalt organic compounds, etc., can solve the problems of low ferroelectric coupling coefficient, application limitations, and small relative dielectric constant, and achieve good repeatability, high yield, The effect of simple preparation process

Inactive Publication Date: 2010-04-07
GUANGDONG UNIV OF TECH
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  • Claims
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Problems solved by technology

However, due to the low ferroelectric coupling coefficient and relatively small relative permittivity of organic ferroelectric materials, the long-term stability of performance and function is relatively poor, which greatly restricts its application.

Method used

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  • Ferroelectric material organically templated metal boron phosphate and preparation method and application thereof
  • Ferroelectric material organically templated metal boron phosphate and preparation method and application thereof
  • Ferroelectric material organically templated metal boron phosphate and preparation method and application thereof

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Embodiment Construction

[0014] 1. Preparation of compounds

[0015] 1. Weigh cobalt acetate (Co(CH 3 COO) 2 )0.088 to 0.880g, boric acid (H 3 BO 3 )0.062 to 0.186g, piperazine (C 4 h 10 N 2 )0.048 to 0.258, measure 0.18 to 0.72ml phosphoric acid aqueous solution (H 3 PO 4 Mass concentration 85%), water (H 2 O) 3.0 to 9.0ml as a solvent, the above Co:H 3 BO 3 : C 4 h 10 N 2 :H 3 PO 4 :H 2 The molar ratio of O is 0.5~5:1~3:0.5~3:1.5~6:16~50, stir for 20 minutes, put it into a closed 28mL reaction kettle, heat up to 140~220°C, and keep the temperature for 1 to 7 days After taking it out, it can be cooled naturally at room temperature to obtain crystals. After X-ray single crystal diffraction analysis, it was determined that the crystal was C 4 h 13 N 2 B 2 P 3 CoO 13 . Cobalt acetate is replaced by cobalt nitrate hexahydrate, cobalt nitrate, cobalt sulfate or cobalt chloride in the same amount to obtain the same C 4 h 13 N 2 B 2 P 3 CoO 13 compound.

[0016] Concrete react...

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Abstract

The invention discloses a ferroelectric material organically templated metal boron phosphate and a preparation method and application thereof. The boron phosphate has the molecular formula of C4H13N2B2P3CoO13, the space group of Ima2 (No.46), unit cell parameters of a=12.4820(8) A, b=9.4146(3) A, c=11.4646(2) A, alpha=beta=gamma=90.00 degrees and Z=4, and the unit cell volume V=1347.2(1) A3. The material undergoes hydrothermal reaction to generate crystals, and is applied to information memory and recovery, light information transmission, image display and holographic memory of a paginating device and a ferroelectric optical valve array in hologram. The method has simple preparation process, high yield and good reproducibility.

Description

technical field [0001] The invention relates to a ferroelectric material organic template metal borophosphate (molecular formula: C 4 h 13 N 2 B 2 P 3 CoO 13 ) and its preparation method and use. Background technique [0002] Ferroelectric material is a kind of multifunctional material with properties of ferroelectricity, piezoelectricity, pyroelectricity, electro-optic and nonlinear optics at the same time. The so-called ferroelectric material refers to a material whose crystal structure has spontaneous polarization when no external electric field is applied, and the direction of its spontaneous polarization can be reversed or reoriented by an external electric field. This property of the material is known as "ferroelectricity" or "ferroelectric effect". In recent years, ferroelectric materials have developed extremely rapidly and have been widely used in electronic technology, laser technology, infrared detection technology, ultrasonic (and microwave acoustics) tech...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F19/00C07F15/06
Inventor 潘春阳胡升李大光欧阳萍
Owner GUANGDONG UNIV OF TECH
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