Multi-iron composite material and method for preparing flexible multi-iron composite material
A composite material and adhesive technology, which is applied in the field of multiferroic composite materials and the preparation of flexible multiferroic composite materials, can solve the problems that natural multiferroic materials are not widely used, and achieve the effect of improving magnetic properties and reducing sintering temperature
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Embodiment 1
[0027] Embodiment 1 steps are as follows:
[0028] 1. La 0.5 Y 0.5 FeO 3 Preparation of oxide powder and bulk materials:
[0029] (1) Take out an appropriate amount of lanthanum trioxide (La 2 o 3 ), Yttrium trioxide (Y 2 o 3 ), ferric oxide (Fe 2 o 3 ), and pre-fired them at 900°C, 650°C, and 400°C for 12 hours to remove moisture and impurities in the raw materials. After the pre-burning is completed, quickly weigh lanthanum trioxide (La 2 o 3 ), this is mainly because lanthanum trioxide is easy to absorb water and thus affects its purity and quality. Then according to the molar ratio of 1:1:2, according to the weighed lanthanum trioxide (La2 o 3 ) to weigh diyttrium trioxide (Y 2 o 3 ) and ferric oxide (Fe 2 o 3 );
[0030] (2) Mix the oxide raw materials weighed in the first step and put them into the agate jar. According to the ratio of powder, ethanol and agate beads 1:1.5:6, add an appropriate amount of ethanol, and then put them in different sizes. Aga...
Embodiment 2
[0035] Embodiment 2 steps are as follows:
[0036] 1. La 0.5 Y 0.5 FeO 3 Preparation of oxide powder and bulk materials:
[0037] (1) Take out an appropriate amount of lanthanum trioxide (La 2 o 3 ), Yttrium trioxide (Y 2 o 3 ), ferric oxide (Fe 2 o 3 ), and pre-fired them at 1000°C, 700°C, and 500°C for 12 hours to remove moisture and impurities in the raw materials. After the pre-burning is completed, quickly weigh lanthanum trioxide (La 2 o 3 ), this is mainly because lanthanum trioxide is easy to absorb water and thus affects its purity and quality. Then according to the molar ratio of 1:1:2, according to the weighed lanthanum trioxide (La 2 o 3 ) to weigh diyttrium trioxide (Y 2 o 3 ) and ferric oxide (Fe 2 o 3 );
[0038] (2) Mix the oxide raw materials weighed in the first step and put them into the agate jar. According to the ratio of powder, ethanol and agate beads 1:1.5:6, add an appropriate amount of ethanol, and then put them in different sizes. ...
Embodiment 3
[0043] Embodiment 3 steps are as follows:
[0044] 1. La 0.5 Y 0.5 FeO 3 Preparation of oxide powder and bulk materials:
[0045] (1) Take out an appropriate amount of lanthanum trioxide (La 2 o 3 ), Yttrium trioxide (Y 2 o 3 ), ferric oxide (Fe 2 o 3 ), and pre-fired them at 950°C, 700°C, and 450°C for 12 hours to remove moisture and impurities in the raw materials. After the pre-burning is completed, quickly weigh lanthanum trioxide (La 2 o 3 ), this is mainly because lanthanum trioxide is easy to absorb water and thus affects its purity and quality. Then according to the molar ratio of 1:1:2, according to the weighed lanthanum trioxide (La 2 o 3 ) to weigh diyttrium trioxide (Y 2 o 3 ) and ferric oxide (Fe 2 o 3 );
[0046] (2) Mix the oxide raw materials weighed in the first step and put them into the agate jar. According to the ratio of powder, ethanol and agate beads 1:1.5:6, add an appropriate amount of ethanol, and then put them in different sizes. A...
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