Effect of l-ascorbic acid on electrochemically deposited FeCoCu/Cu magnetic multilayer granular films: structural, magnetic and magnetoresistance properties

Sahin, T.; Tekgül, Atakan; Köçkar, Hakan; Alper, Mürsel

doi:10.1016/j.tsf.2020.138180

Cited by 4 publications

(4 citation statements)

References 28 publications

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“…In this equation, the current efficiency was taken as 100% since hydrogen evolution was negligible for the Co-rich layer deposition [30]. The calculated layer thicknesses are given in Table II (see also [13,14,22,23,[31][32][33][34][35][36][37]).…”

Section: Resultsmentioning

confidence: 99%

“…The saturation magnetization of the multilayers is 53.02, 24.83, and 24.26 A m 2 /kg, respectively. In our previous work [22], we studied the L-ascorbic acid effect on the FeCoCu/Cu magnetic multilayer granular films and observed the layer oxidized due to the OH ion. Similarly, the Cu ions are reduced by the hydroxide, as seen by…”

Section: Resultsmentioning

confidence: 99%

“…However, hydroxide ion deposition is observed when the multilayer is deposited from the electrolyte containing L-ascorbic acid, and a large amount of Fe ions can be deposited on the surface of the layers. In our previous study [22], we used the L-ascorbic acid to regulate the electrolyte and produced the Fe-CoCu/Cu granular multilayers, but the results have shown that the increase in L-ascorbic acid molarity leads to the increase in the deposited Fe amount and also, the decrease in the magnetoresistance value. Consequently, these regulators (citric acid and Lascorbic acid) allow the increase in the Fe amount of the ferromagnetic layers, but their disadvantages cause abnormal deposition.…”

Section: Introductionmentioning

confidence: 99%

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Giant Magnetoresistance of the Electrodeposited FeCoCu/Cu Multilayers: Metal Oxide Formation with NaOH in the Electrolyte

et al. 2023

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FeCo(CoO)Cu/Cu multilayers were prepared from the electrolytes containing various amounts of NaOH by the electrochemical deposition technique. The current density decreases with the increasing molarity of NaOH in the electrolyte. Therefore, the magnetic layers deposit more slowly on the Cu layers. This may cause the oxidation of the magnetic elements. The structural analysis was performed by the X-ray diffraction technique, and the refined patterns exhibit that the multilayers have a facecentered-cubic crystal structure (F m-3m space group). The magnetic hysteresis curves were measured by the vibrational sample magnetometers at room temperature. The saturation magnetization of the multilayers was found to be 53.02, 24.83, and 24.26 A m 2 /kg as a function of the NaOH amount in the electrolyte. Magnetoresistance values were measured and observed to change from 16 to 2.5% when the NaOH amount increased from 0.01 to 0.02 M in the electrolyte, and the 7% anisotropic magnetoresistance was obtained for 0.01 M NaOH. The results indicate that the NaOH may cause the occurrence of metal oxide in the magnetic layers for the multilayers produced from the electrolyte with 0.02 and 0.04 M NaOH, and this metal oxide is CoO since its crystal structure is similar to the Co, Fe, and Cu, and also, the magnetization drastically decreases with increasing NaOH amount.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Giant Magnetoresistance of the Electrodeposited FeCoCu/Cu Multilayers: Metal Oxide Formation with NaOH in the Electrolyte

et al. 2023

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“…[1][2][3][4][5][6][7] Among recent advances in this area, magnetic nanofilms have attracted particular interest, particularly those that integrate hard and soft magnetic phases in an interphase configuration. [8,9] This approach aims to optimize the magnetic properties of permanent thin films, offering prospects for significant improvement in this area. A fundamental aspect of these systems is the exchange interaction between hard and soft magnetic phases.…”

Section: Introductionmentioning

confidence: 99%

Exploration of the Magnetic Properties of ZrCo:Co Bilayer Films: Effects of the Thickness of the Co Layer on the Anisotropy and Magnetic Interaction Parameters

Fersi,

Apolo Palarizato

2024

Physica Status Solidi (a)

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The analysis of ZrCo:Co films with varying Co layer thicknesses reveals distinctive magnetic properties and behaviors. Despite significant roughness, the films exhibit uniform surfaces and complete crystallization at the nanoscale. Magnetic studies show positive remanence anisotropy, decreased coercivity Hc and remanent magnetization Mr with increasing film thickness, along with a linear correlation between thickness and surface roughness. Exchange interactions between grains and layers influence magnetic properties. Ferromagnetic resonance analysis demonstrates a direct correlation between film thickness and magnetization orientation preference, notably at δCo = 200 nm. These findings underscore the critical role of film thickness in determining microstructural and magnetic properties, offering insights for magnetic device and nanotechnology applications. Understanding these relationships may lead to thickness‐tunable magnetic materials. This study uniquely explores ZrCo:Co films, delving into how their magnetic properties vary with Co layer thickness, revealing novel magnetic behaviors.

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Peroxymonosulfate as inducer driving interfacial electron donation of pollutants over oxygen-rich carbon–nitrogen graphene-like nanosheets for water treatment

Cai

Fang

et al. 2022

Journal of Colloid and Interface Science

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Effect of l-ascorbic acid on electrochemically deposited FeCoCu/Cu magnetic multilayer granular films: structural, magnetic and magnetoresistance properties

Cited by 4 publications

References 28 publications

Giant Magnetoresistance of the Electrodeposited FeCoCu/Cu Multilayers: Metal Oxide Formation with NaOH in the Electrolyte

Giant Magnetoresistance of the Electrodeposited FeCoCu/Cu Multilayers: Metal Oxide Formation with NaOH in the Electrolyte

Exploration of the Magnetic Properties of ZrCo:Co Bilayer Films: Effects of the Thickness of the Co Layer on the Anisotropy and Magnetic Interaction Parameters

Peroxymonosulfate as inducer driving interfacial electron donation of pollutants over oxygen-rich carbon–nitrogen graphene-like nanosheets for water treatment

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