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FORC-investigation of magnetic properties of Ni nanowire arrays synthesized using Al2O3 templates with different order of pores

Исследование FORC-методом магнитных свойств массивов Ni нанопроволок, синтезированных с использованием шаблонов Al2O3 с разным порядком пор
Authors: Sobirov, Mukhammad; Samardak, Aleksei; Potapova, Sofia; Karibov, Muslim; Rogachev, Kirill; Ognev, Alexey; Samardak, Alexandder;

FORC-investigation of magnetic properties of Ni nanowire arrays synthesized using Al2O3 templates with different order of pores

Abstract

Данная работа посвящена исследованию магнитных свойств массивов нанопроволок Ni, синтезированных с использованием пористых мембран Al2O3 с разной продолжительностью первого анодирования. Показано, что с увеличением времени первого анодирования до 2 часов медианный диаметр пор на верхней поверхности мембраны увеличивается, а расстояние между порами становится более равномерным. Использование пористых шаблонов с малым временем анодирования приводит к получению разветвленных нанопроволок Ni, а шаблоны с большим временем позволяют получить цилиндрические наноструктуры. Магнитные свойства массивов нанопроволок Ni изучались с использованием FORC метода, который позволил исследовать распределение полей взаимодействия и коэрцитивных сил в массивах. Он показал, что в образцах с малым временем первого анодирования присутствуют две магнитные фазы с разными коэрцитивными силами и полем взаимодействия.

This paper focuses on the investigation of magnetic properties of Ni nanowire arrays synthesized using Al2O3 porous templates with different durations of first anodization. It has been shown that the diameter of the pores in the template is increasing with an increase in the first anodization time up to 2 hours, and the interpore distance becomes more uniform. Using porous templates with short times of anodization results in synthesis of branched Ni nanowires, while templates with longer times allow to achieve cylindrical nanostructures. Magnetic properties of Ni nanowires arrays were studied using the FORC method, which allowed to investigate the distribution of interaction fields and coercive forces in the arrays. It was found that two magnetic phases with different coercive forces and interaction field are observed in the samples with a short duration of first anodization.

Keywords

anodization, Physics, QC1-999, FORC-method, нанопроволоки, электрохимическое осаждение, aluminum oxide matrices, forc-method, nanowires, анодирование, FORC-метод, пористые оксидные матрицы, QA1-939, Mathematics, electrochemical deposition

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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