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嵌入NiFe反点矩阵中的Co点双组分纳米结构阵列：通过聚苯乙烯纳米球自组装合成及其磁性

Bi-Component Nanostructured Arrays of Co Dots Embedded in NiFe Antidot Matrix: Synthesis by Self-Assembling of Polystyrene Nanospheres and Magnetic Properties.

作者信息

Coïsson Marco, Celegato Federica, Barrera Gabriele, Conta Gianluca, Magni Alessandro, Tiberto Paola

机构信息

INRIM, Nanoscience and Materials Division, Strada delle Cacce 91, 10135 Torino, Italy.

Chemistry Department, Università di Torino, via Pietro Giuria 7, 10125 Torino, Italy.

出版信息

Nanomaterials (Basel). 2017 Aug 23;7(9):232. doi: 10.3390/nano7090232.

DOI:10.3390/nano7090232
PMID:28832504
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5618343/
Abstract

A bi-component nanostructured system composed by a Co dot array embedded in a NiFe antidot matrix has been prepared by means of the self-assembling polystyrene nanospheres lithography technique. Reference samples constituted by the sole Co dots or NiFe antidots have also been prepared, in order to compare their properties with those of the bi-component material. The coupling between the two ferromagnetic elements has been studied by means of magnetic and magneto-transport measurements. The NiFe matrix turned out to affect the vortex nucleation field of the Co dots, which in turn modifies the magneto-resistance behaviour of the system and its spinwave properties.

摘要

通过自组装聚苯乙烯纳米球光刻技术制备了一种由嵌入NiFe反点矩阵中的Co点阵列组成的双组分纳米结构系统。还制备了仅由Co点或NiFe反点构成的参考样品，以便将它们的性质与双组分材料的性质进行比较。通过磁性和磁输运测量研究了两种铁磁元素之间的耦合。结果表明，NiFe矩阵会影响Co点的涡旋形核场，进而改变系统的磁阻行为及其自旋波性质。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/106a/5618343/c5036fa5b5f6/nanomaterials-07-00232-g011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/106a/5618343/2c96ce3bba39/nanomaterials-07-00232-g009a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/106a/5618343/cd50671b8166/nanomaterials-07-00232-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/106a/5618343/c5036fa5b5f6/nanomaterials-07-00232-g011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/106a/5618343/dc50c6444432/nanomaterials-07-00232-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/106a/5618343/71ed73149072/nanomaterials-07-00232-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/106a/5618343/7e47dea6bd69/nanomaterials-07-00232-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/106a/5618343/2c96ce3bba39/nanomaterials-07-00232-g009a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/106a/5618343/cd50671b8166/nanomaterials-07-00232-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/106a/5618343/c5036fa5b5f6/nanomaterials-07-00232-g011.jpg

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