Preparation method of Tb-Dy-Fe-Co alloy magnetic nano pipe array

A tb-dy-fe-co, 1.tb-dy-fe-co technology, applied in the field of uniform polycrystalline materials, can solve the problem of improving the performance of nanowire arrays, not applicable to magneto-optical storage materials, nanowires The problem of uneven composition, etc., achieves the effect of uniform hole size, high temperature resistance and good insulation.

Active Publication Date: 2018-11-30
HEBEI UNIV OF TECH
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Problems solved by technology

[0006] CN103806040A discloses an electrochemical synthesis method of a nickel-phosphorus alloy nanotube array. The prepared nanotube is a binary alloy nanotube with an outer diameter of 200 nanometers, without the addition of heavy rare earth elements. Therefore, the nickel-phosphorus alloy nanotube array Not suitable for magneto-optical storage materials
CN101469453A discloses an alloy nanotube and a preparation method thereof. The nanotube is a solid solution, a metal compound or an amorphous state formed by two kinds of transition metal elements A and B, without the addition of heavy rare earth elements, and is not suitable for magnetic optical storage material
CN201410312165.2 discloses the preparation method of Sm-Co alloy amorphous magnetic nanowire array, the Sm-Co alloy amorphous magnetic nanowire array is a perpendicular magnetic recording material with different comprehensive magnetic properties, but the specific surface area of ​​the nanowire array Smaller, Sm is not an ideal magneto-optical storage material, so it is not suitable for magneto-optical storage materials
CN201510519191.7 discloses a method for preparing a Sm-Co / Fe-Co dual-phase coupled magnetic nanowire array. In this method, due to alternate deposition, the ratio of Sm-Co and Fe-Co in the nanowires is difficult to control, and the composition of the nanowires is different. Uniformity, which affects the improvement of the performance of the nanowire array, the material is also not suitable for magneto-optical storage materials

Method used

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  • Preparation method of Tb-Dy-Fe-Co alloy magnetic nano pipe array
  • Preparation method of Tb-Dy-Fe-Co alloy magnetic nano pipe array
  • Preparation method of Tb-Dy-Fe-Co alloy magnetic nano pipe array

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Experimental program
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Effect test

Embodiment 1

[0063] In the first step, the AAO template is sprayed with gold:

[0064] Put the AAO template into the ion sputtering apparatus and put it into the ion sputtering apparatus, with Au as the target material, at a sputtering current of 15mA and a vacuum of 3x10 -2Spray gold for 5 minutes under the condition of Pa, sputter a layer of Au atoms on the back of the AAO template, and the thickness of the Au atomic layer is 1um, thus completing the gold spraying treatment of the AAO template;

[0065] The second step, the preparation of Tb-Dy-Fe-Co alloy electrodeposition solution:

[0066] the required amount of Fe 2 The Tb alloy is dissolved in reagent pure hydrochloric acid with a percentage concentration of 38%, and the required amount of DyF 3 , FeCl 2 4H 2 O, CoCl 2 ·6H 2 O, H 3 BO 3 , citric acid C 6 h 8 o 7 and ascorbic acid C 6 h 8 o 6 Add it into deionized water, and then mix together to prepare the Tb-Dy-Fe-Co alloy electrodeposition solution. The concentration...

Embodiment 2

[0078] In the first step, the AAO template is sprayed with gold:

[0079] Put the AAO template into the ion sputtering apparatus, with Au as the target material, at a sputtering current of 15mA and a vacuum of 3x10 -2 Spray gold for 8 minutes under the condition of Pa, sputter a layer of Au atoms on the back of the AAO template, and the thickness of the Au atomic layer is 5um, thus completing the gold spraying treatment of the AAO template;

[0080] The second step, the preparation of Tb-Dy-Fe-Co alloy electrodeposition solution:

[0081] the required amount of Fe 2 The Tb alloy is dissolved in reagent pure hydrochloric acid with a percentage concentration of 38%, and the required amount of DyF 3 , FeCl 2 4H 2 O, CoCl 2 ·6H 2 O, H 3 BO 3 , citric acid C 6 h 8 o 7 and ascorbic acid C 6 h 8 o 6 Add it into deionized water, and then mix together to prepare the Tb-Dy-Fe-Co alloy electrodeposition solution. The concentration of each material in the electrodeposition s...

Embodiment 3

[0093] In the first step, the AAO template is sprayed with gold:

[0094] Put the AAO template into the ion sputtering apparatus, with Au as the target material, at a sputtering current of 15mA and a vacuum of 3x10 -2 Spray gold for 10 minutes under the condition of Pa, sputter a layer of Au atoms on the back of the AAO template, and the thickness of the Au atomic layer is 10um, thus completing the gold spraying treatment of the AAO template;

[0095] The second step, the preparation of Tb-Dy-Fe-Co alloy electrodeposition solution:

[0096] the required amount of Fe 2The Tb alloy is dissolved in reagent pure hydrochloric acid with a percentage concentration of 38%, and the required amount of DyF 3 , FeCl 2 4H 2 O, CoCl 2 ·6H 2 O, H 3 BO 3 , citric acid C 6 h 8 o 7 and ascorbic acid C 6 h 8 o 6 Add it into deionized water, and then mix together to prepare the Tb-Dy-Fe-Co alloy electrodeposition solution. The concentration of each material in the electrodeposition ...

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Abstract

The invention discloses a preparation method of a Tb-Dy-Fe-Co alloy magnetic nano pipe array and relates to a uniform polycrystalline material of a certain structure. According to the method for preparing the Tb-Dy-Fe-Co alloy magnetic nano pipe array by means of an electrochemical deposition method in a water solution, the rare earth-transition metal nano pipe array is prepared by regulating theconcentrations of Tb and Dy ions. The method comprises the steps that an AAO template is subjected to metal spraying treatment; a Tb-Dy-Fe-Co alloy electrolytic deposition solution is prepared; and inan electrolytic deposition tank, electrification is performed, the direct-current voltage is 2V-3V, the deposition current is 10mA-20mA, meanwhile, a magnetic stirrer is used for stirring the solution, electrification is performed for 1h-3h, and then the good magneto-optic material Tb-Dy-Fe-Co alloy magnetic nano pipe array is prepared. The defect that a magnetic nanowire array prepared in the prior art is not applicable to being used as a magneto-optic storage material is overcome.

Description

technical field [0001] The technical scheme of the invention relates to a uniform polycrystalline material with a certain structure, specifically a preparation method of a Tb-Dy-Fe-Co alloy magnetic nanotube array. Background technique [0002] In recent years, due to the development of information technology and the emergence of technologies such as lasers, computers, information, optical cables, and optical fibers, people have further understood the magneto-optical effect, and magneto-optical materials have become a popular research direction in the field of contemporary materials. Magneto-optical materials and devices mainly involve high-end technology and knowledge-intensive fields, and have significant economic and social benefits, so they have great development prospects. [0003] Magneto-optical storage is the main field of application of magneto-optical materials. Magneto-optical storage materials use the Kerr magneto-optic effect to magnetically write and optically...

Claims

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Application Information

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IPC IPC(8): C25D3/56C25D5/54C23C14/34C23C14/18B82Y40/00
CPCB82Y40/00C23C14/185C23C14/34C25D3/56C25D5/54
Inventor 崔春翔张袁袁杨薇康立丛郭曼飞
Owner HEBEI UNIV OF TECH
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