Effect of deposition potential and saccharin addition on structural, magnetic and magnetoresistance characteristics of NiCoFeCu films
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Hilal Kuru
,
Hakan Köçkar
Abstract
NiCoFeCu films were electrodeposited on Ti substrates at different deposition potentials and different concentrations of saccharin added to solution. Compositional analysis showed that although Ni was the highest concentration in solution at low potentials of −1.0 V and −1.5 V, the Ni content was lower than the Co content in the films. Anomalous co-deposition behaviour of iron group metals was observed. When the deposition potential increased to −2.0 V and −2.5 V, the Ni content of films increased while the Co, Fe and Cu content decreased. In the case of saccharin addition to the solution, there is a slight change in the film content. All films have face-centred cubic structure. Structural analysis clearly showed that the potential has a significant effect on the texture degree of the films, since the crystal texture changed from (111) to (220) with increasing potential. The surface morphology of the films was observed to be affected by the deposition potential and saccharin concentration. For the magnetic analysis, saturation magnetisation, Ms value gradually decreased from 905 to 715 emu/cm3 with the variation of film content caused by the increase of the potential from −1.0 V to −2.5 V. And, a slight increase in Ms was detected with the addition of saccharin. Besides, the longitudinal and transverse magnetoresistance magnitudes increased from ∼2.5 % to 7.0 % with increasing deposition potential and all films exhibit anisotropic magnetoresistance. Films with desired magnetic properties can be obtained for potential use as magnetic materials in electronics such as magnetoresistive devices.
Funding source: Balikesir Üniversitesi
Award Identifier / Grant number: BAP 2001/02
Award Identifier / Grant number: BAP 2005/38
Award Identifier / Grant number: BAP 2013/85
Funding source: Devlet Planlama Ӧrgütü
Award Identifier / Grant number: 2005K120170
Acknowledgments
The authors are grateful to Dr. F. Kurtuluş and Dr. H. Güler, Balikesir University, Chemistry Department for XRD measurements. The authors also thanks to Dr. M. Haciismailoğlu for the help of the film production.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: This work was financially supported by Balikesir University, Turkey under Research Grant no. BAP 2013/85 for SEM images and EDX measurements made in Bilkent University/Turkey – UNAM, Institute of Materials Science and Nanotechnology. Also it was granted by the State Planning Organization, Turkey under Grant No. 2005K120170 for VSM system, and Balikesir University Research Grant No. BAP 2001/02, 2005/38 for MR system.
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Conflict of interest: The authors declare that they have no conflict of interest.
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Data Availability Statement: The authors declare that they have the data availability statement in their manuscript.
References
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- Frontmatter
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Articles in the same Issue
- Frontmatter
- Dynamical Systems & Nonlinear Phenomena
- Bifurcation analysis of ion-acoustic superperiodic waves in ultra-relativistic dense plasma
- Unsteady temperature distribution in a cylinder made of functionally graded materials under circumferentially-varying convective heat transfer boundary conditions
- Hydrodynamics
- Refined composite multivariate multiscale complexity-entropy causality plane analysis for gas-liquid two-phase flow
- Solid State Physics & Materials Science
- Red-emitting phosphors of BaSr2(PO4)2: 4 %Eu3+, 4 %A (A = Li+, Na+, K+) for white LEDs
- Effect of deposition potential and saccharin addition on structural, magnetic and magnetoresistance characteristics of NiCoFeCu films
- Structural and optical analysis of nanostructural CuCrO3 perovskite by sol–gel method
- Investigation of alkali halide crystals AX (A = Li, Na, K; X = F, Cl, Br) by elastic, mechanical and ultrasonic analysis
- Robust white light emission of UV pumped SrCeO3: xSm3+ perovskites for wLEDs
- Thermodynamics & Statistical Physics
- Theoretical determination of speed of sound and fourth virial coefficient by using Kihara (12–6) potential
