Enhancement of coercivity of self-assembled stacking of ferrimagnetic and antiferromagnetic nanocubes,Nanoscale

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Enhancement of coercivity of self-assembled stacking of ferrimagnetic and antiferromagnetic nanocubes
Nanoscale ( IF 5.8 ) Pub Date : 2020/02/28 , DOI: 10.1039/c9nr10558a
Keisuke Sawano _{1,

2,

3,

4,

5} , Keishi Tsukiyama _{1,

2,

3,

4,

5} , Makoto Shimizu _{1,

2,

3,

4,

5} , Mihiro Takasaki _{1,

2,

3,

4,

5} , Yuya Oaki _{1,

2,

3,

4,

5} , Takashi Yamamoto _{1,

2,

3,

4,

5} , Yasuaki Einaga _{1,

2,

3,

4,

5} , Christian Jenewein _{6,

7,

8,

9,

10} , Helmut Cölfen _{6,

7,

8,

9,

10} , Hideo Kaiju _{1,

2,

3,

4,

5} , Tetsuya Sato _{1,

2,

3,

4,

5} , Hiroaki Imai _{1,

2,

3,

4,

5}

Affiliation

The coercivity of magnetic nanoparticles is enhanced by the exchange coupling effect at the interface of ferrimagnetic and antiferromagnetic self-assembled monolayers. Antiferromagnetic Co₃O₄ nanocubes were regularly stacked on an ordered monolayer of ferrimagnetic Fe₃O₄ nanocubes by layer-by-layer manipulation using evaporation-driven self-assembly. The ordered arrangements of the ferrimagnetic and antiferromagnetic nanocubes are effective for the enhancement of the ferromagnetic character.

中文翻译：

增强铁磁和反铁磁纳米立方体自组装堆叠的矫顽力

磁性纳米粒子的矫顽力通过在亚铁磁性和反铁磁性自组装单层界面的交换耦合作用而增强。通过使用蒸发驱动的自组装进行逐层操作，将反铁磁的Co ₃ O ₄纳米立方体规则地堆叠在有序的单层铁磁的Fe ₃ O ₄纳米立方体上。亚铁磁性和反铁磁性纳米立方体的有序排列对于增强铁磁特性是有效的。

更新日期：2020-04-09

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