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Publications

Influence of the magnetic field and magnetoresistance on the electrodeposition of Ni nanocontacts in thin films and microwires

Nikolić, Nebojša D.; Wang, Hai; Cheng, Hao; Guerrero, C.A.; Garcia, N.

(Elsevier, 2004)

TY  - JOUR
AU  - Nikolić, Nebojša D.
AU  - Wang, Hai
AU  - Cheng, Hao
AU  - Guerrero, C.A.
AU  - Garcia, N.
PY  - 2004
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/4132
AB  - We present a study of electrodeposition of Ni nanocontacts in thin film and microwires gaps under an external applied magnetic field. The study is performed in comparison with electrodeposition of Cu that is not a magnetic material and therefore one can obtain conclusion from the electrodeposited structures on the effect of the magnetic field on the magnetic properties of the deposition. We show that indeed there is a magnetohydrodynamic effect. But we also
show, what is more important, that the magnetic properties of the deposit are crucial for the deposited structure. In particular, for this case, the magnetoresistance plays a dominant role.
PB  - Elsevier
T2  - Journal of Magnetism and Magnetic Materials
T1  - Influence of the magnetic field and magnetoresistance on the electrodeposition of Ni nanocontacts in thin films and microwires
VL  - 272-276
VL  - 2438
IS  - 3
SP  - 2436
DO  - 10.1016/j.jmmm.2003.12.1203
ER  - 
@article{
author = "Nikolić, Nebojša D. and Wang, Hai and Cheng, Hao and Guerrero, C.A. and Garcia, N.",
year = "2004",
abstract = "We present a study of electrodeposition of Ni nanocontacts in thin film and microwires gaps under an external applied magnetic field. The study is performed in comparison with electrodeposition of Cu that is not a magnetic material and therefore one can obtain conclusion from the electrodeposited structures on the effect of the magnetic field on the magnetic properties of the deposition. We show that indeed there is a magnetohydrodynamic effect. But we also
show, what is more important, that the magnetic properties of the deposit are crucial for the deposited structure. In particular, for this case, the magnetoresistance plays a dominant role.",
publisher = "Elsevier",
journal = "Journal of Magnetism and Magnetic Materials",
title = "Influence of the magnetic field and magnetoresistance on the electrodeposition of Ni nanocontacts in thin films and microwires",
volume = "272-276, 2438",
number = "3",
pages = "2436",
doi = "10.1016/j.jmmm.2003.12.1203"
}
Nikolić, N. D., Wang, H., Cheng, H., Guerrero, C.A.,& Garcia, N.. (2004). Influence of the magnetic field and magnetoresistance on the electrodeposition of Ni nanocontacts in thin films and microwires. in Journal of Magnetism and Magnetic Materials
Elsevier., 272-276(3), 2436.
https://doi.org/10.1016/j.jmmm.2003.12.1203
Nikolić ND, Wang H, Cheng H, Guerrero C, Garcia N. Influence of the magnetic field and magnetoresistance on the electrodeposition of Ni nanocontacts in thin films and microwires. in Journal of Magnetism and Magnetic Materials. 2004;272-276(3):2436.
doi:10.1016/j.jmmm.2003.12.1203 .
Nikolić, Nebojša D., Wang, Hai, Cheng, Hao, Guerrero, C.A., Garcia, N., "Influence of the magnetic field and magnetoresistance on the electrodeposition of Ni nanocontacts in thin films and microwires" in Journal of Magnetism and Magnetic Materials, 272-276, no. 3 (2004):2436,
https://doi.org/10.1016/j.jmmm.2003.12.1203 . .
22
22

The relationship between ballistic magnetoresistance and magnetostriction of macro electrodes

Wang, Hai; Papageorgopoulos, A.C.; Cheng, Hao; Nikolić, Nebojša D.; Guerrero, C.A.; Garcia, N.

(Elsevier, 2004)

TY  - JOUR
AU  - Wang, Hai
AU  - Papageorgopoulos, A.C.
AU  - Cheng, Hao
AU  - Nikolić, Nebojša D.
AU  - Guerrero, C.A.
AU  - Garcia, N.
PY  - 2004
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/4131
AB  - In this work, we show that the relationship between ballistic magnetoresistance (MR) and magnetostriction of macro electrodes. The experiments were performed in an AFM containing an electrodeposition cell and a MR measurement system. All experiments were done in situ and all displacements of the wires were measured while the MR was measured.
PB  - Elsevier
T2  - Journal of Magnetism and Magnetic Materials
T1  - The relationship between ballistic magnetoresistance and magnetostriction of macro electrodes
VL  - 272-276
VL  - 1902
IS  - 3
SP  - 1900
DO  - 10.1016/j.jmmm.2003.12.876
ER  - 
@article{
author = "Wang, Hai and Papageorgopoulos, A.C. and Cheng, Hao and Nikolić, Nebojša D. and Guerrero, C.A. and Garcia, N.",
year = "2004",
abstract = "In this work, we show that the relationship between ballistic magnetoresistance (MR) and magnetostriction of macro electrodes. The experiments were performed in an AFM containing an electrodeposition cell and a MR measurement system. All experiments were done in situ and all displacements of the wires were measured while the MR was measured.",
publisher = "Elsevier",
journal = "Journal of Magnetism and Magnetic Materials",
title = "The relationship between ballistic magnetoresistance and magnetostriction of macro electrodes",
volume = "272-276, 1902",
number = "3",
pages = "1900",
doi = "10.1016/j.jmmm.2003.12.876"
}
Wang, H., Papageorgopoulos, A.C., Cheng, H., Nikolić, N. D., Guerrero, C.A.,& Garcia, N.. (2004). The relationship between ballistic magnetoresistance and magnetostriction of macro electrodes. in Journal of Magnetism and Magnetic Materials
Elsevier., 272-276(3), 1900.
https://doi.org/10.1016/j.jmmm.2003.12.876
Wang H, Papageorgopoulos A, Cheng H, Nikolić ND, Guerrero C, Garcia N. The relationship between ballistic magnetoresistance and magnetostriction of macro electrodes. in Journal of Magnetism and Magnetic Materials. 2004;272-276(3):1900.
doi:10.1016/j.jmmm.2003.12.876 .
Wang, Hai, Papageorgopoulos, A.C., Cheng, Hao, Nikolić, Nebojša D., Guerrero, C.A., Garcia, N., "The relationship between ballistic magnetoresistance and magnetostriction of macro electrodes" in Journal of Magnetism and Magnetic Materials, 272-276, no. 3 (2004):1900,
https://doi.org/10.1016/j.jmmm.2003.12.876 . .
1

Ballistic magnetoresistance of electrodeposited nanocontacts in thin film and micrometer wire gaps

Garcia, N.; Cheng, Hao; Wang, Hai; Nikolić, Nebojša D.; Guerrero, C.A.; Papageorgopoulos, A.C.

(Elsevier, 2004)

TY  - JOUR
AU  - Garcia, N.
AU  - Cheng, Hao
AU  - Wang, Hai
AU  - Nikolić, Nebojša D.
AU  - Guerrero, C.A.
AU  - Papageorgopoulos, A.C.
PY  - 2004
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/4129
AB  - In this paper, we review the recent advances and progress in ballistic magnetoresistance (BMR) in magnetic nanocontacts electrodeposited in thin films and micrometer gaps. We report the influence of magnetostriction in the measurements under different configurations and substrates, as well as the contribution of the magnetic material forming the contacts. To avoid the magnetostriction effect, we have fabricated magnetic nanocontacts in Cu wires and Cu films. Similar BMR results can be observed in these systems. Our results showthat the BMR effect should depend on the microproperties of the nanocontacts and should not be related with the macroproperties of the electrodes. The magnetostriction results, measured by an atomic force microscopy system with a built-in electromagnet, clearly show that there is no direct relationship between the displacement (caused by the magnetostriction effect) and the value of BMR. In fact, we present large magnetoresistance values for permalloy, coinciding with displacements in the latter’s structure less than 1 nm, which is the smallest clearly observable shift allowed by our atomic force microscope.
Repetitions of hundreds of RðHÞ curves are presented for different materials with different coercive fields. The interpretation of the results is based on the formation of an interfacial transparent layer (non-stoichiometric oxide, sulfur, etc.) at the nanocontact where the theory can explain large magnetoresistance values.
PB  - Elsevier
T2  - Journal of Magnetism and Magnetic Materials
T1  - Ballistic magnetoresistance of electrodeposited nanocontacts in thin film and micrometer wire gaps
VL  - 272-276
IS  - 3
SP  - 1722
EP  - 1729
DO  - 10.1016/j.jmmm.2003.12.290
ER  - 
@article{
author = "Garcia, N. and Cheng, Hao and Wang, Hai and Nikolić, Nebojša D. and Guerrero, C.A. and Papageorgopoulos, A.C.",
year = "2004",
abstract = "In this paper, we review the recent advances and progress in ballistic magnetoresistance (BMR) in magnetic nanocontacts electrodeposited in thin films and micrometer gaps. We report the influence of magnetostriction in the measurements under different configurations and substrates, as well as the contribution of the magnetic material forming the contacts. To avoid the magnetostriction effect, we have fabricated magnetic nanocontacts in Cu wires and Cu films. Similar BMR results can be observed in these systems. Our results showthat the BMR effect should depend on the microproperties of the nanocontacts and should not be related with the macroproperties of the electrodes. The magnetostriction results, measured by an atomic force microscopy system with a built-in electromagnet, clearly show that there is no direct relationship between the displacement (caused by the magnetostriction effect) and the value of BMR. In fact, we present large magnetoresistance values for permalloy, coinciding with displacements in the latter’s structure less than 1 nm, which is the smallest clearly observable shift allowed by our atomic force microscope.
Repetitions of hundreds of RðHÞ curves are presented for different materials with different coercive fields. The interpretation of the results is based on the formation of an interfacial transparent layer (non-stoichiometric oxide, sulfur, etc.) at the nanocontact where the theory can explain large magnetoresistance values.",
publisher = "Elsevier",
journal = "Journal of Magnetism and Magnetic Materials",
title = "Ballistic magnetoresistance of electrodeposited nanocontacts in thin film and micrometer wire gaps",
volume = "272-276",
number = "3",
pages = "1722-1729",
doi = "10.1016/j.jmmm.2003.12.290"
}
Garcia, N., Cheng, H., Wang, H., Nikolić, N. D., Guerrero, C.A.,& Papageorgopoulos, A.C.. (2004). Ballistic magnetoresistance of electrodeposited nanocontacts in thin film and micrometer wire gaps. in Journal of Magnetism and Magnetic Materials
Elsevier., 272-276(3), 1722-1729.
https://doi.org/10.1016/j.jmmm.2003.12.290
Garcia N, Cheng H, Wang H, Nikolić ND, Guerrero C, Papageorgopoulos A. Ballistic magnetoresistance of electrodeposited nanocontacts in thin film and micrometer wire gaps. in Journal of Magnetism and Magnetic Materials. 2004;272-276(3):1722-1729.
doi:10.1016/j.jmmm.2003.12.290 .
Garcia, N., Cheng, Hao, Wang, Hai, Nikolić, Nebojša D., Guerrero, C.A., Papageorgopoulos, A.C., "Ballistic magnetoresistance of electrodeposited nanocontacts in thin film and micrometer wire gaps" in Journal of Magnetism and Magnetic Materials, 272-276, no. 3 (2004):1722-1729,
https://doi.org/10.1016/j.jmmm.2003.12.290 . .
1
2

Magnetoresistance Controls Arboreous Bead-Dendritic Growth of Magnetic Electrodeposits: Experimental and Theoretical Results

Nikolić, Nebojša D.; Wang, Hai; Cheng, Hao; Guerrero, C.; Ponizovskaya, E.V.; Pan, Genhua; Garcia, N.

(The Electrochemical Society, Inc., 2004)

TY  - JOUR
AU  - Nikolić, Nebojša D.
AU  - Wang, Hai
AU  - Cheng, Hao
AU  - Guerrero, C.
AU  - Ponizovskaya, E.V.
AU  - Pan, Genhua
AU  - Garcia, N.
PY  - 2004
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/4127
AB  - The effect of magnetic fields applied on magnetic metals electrodeposition was examined. Nickel deposits obtained from a Watt solution with coumarin, at cathodic potentials of -1000, -1200, and -1300 mV/SCE, without and with, both, perpendicular and parallel oriented to the electrode surface low applied magnetic fields (up to 500 Oe) were examined by scanning electron microscopy (SEM) technique. At a potential of -1300 mV/SCE, a dramatic difference was observed between nickel morphologies obtained with a perpendicular oriented magnetic field (zero MHD effect) and those obtained in the absence of one. The nickel deposit obtained with perpendicular oriented magnetic fields was a very developed 3D arboreous-bead-dendritic structure. On the other hand, the nickel deposit obtained without the presence of magnetic field was very rough, with a clearly visible clustered structure. The obtained nickel morphologies are then compared with copper morphologies. Based on the fact that copper deposits obtained with and without a perpendicular oriented magnetic field were dendritic structures, the observed difference between nickel deposits with and those without a perpendicular oriented field, is essentially ascribed to the magnetoresistance effect on the magnetic deposits, which are nonexistent in nonmagnetic materials. We also have done experiments with iron deposits.
PB  - The Electrochemical Society, Inc.
T2  - Journal of The Electrochemical Society
T1  - Magnetoresistance Controls Arboreous Bead-Dendritic Growth of Magnetic Electrodeposits: Experimental and Theoretical Results
VL  - 151
IS  - 9
SP  - C577
EP  - C584
DO  - 10.1149/1.1776591
ER  - 
@article{
author = "Nikolić, Nebojša D. and Wang, Hai and Cheng, Hao and Guerrero, C. and Ponizovskaya, E.V. and Pan, Genhua and Garcia, N.",
year = "2004",
abstract = "The effect of magnetic fields applied on magnetic metals electrodeposition was examined. Nickel deposits obtained from a Watt solution with coumarin, at cathodic potentials of -1000, -1200, and -1300 mV/SCE, without and with, both, perpendicular and parallel oriented to the electrode surface low applied magnetic fields (up to 500 Oe) were examined by scanning electron microscopy (SEM) technique. At a potential of -1300 mV/SCE, a dramatic difference was observed between nickel morphologies obtained with a perpendicular oriented magnetic field (zero MHD effect) and those obtained in the absence of one. The nickel deposit obtained with perpendicular oriented magnetic fields was a very developed 3D arboreous-bead-dendritic structure. On the other hand, the nickel deposit obtained without the presence of magnetic field was very rough, with a clearly visible clustered structure. The obtained nickel morphologies are then compared with copper morphologies. Based on the fact that copper deposits obtained with and without a perpendicular oriented magnetic field were dendritic structures, the observed difference between nickel deposits with and those without a perpendicular oriented field, is essentially ascribed to the magnetoresistance effect on the magnetic deposits, which are nonexistent in nonmagnetic materials. We also have done experiments with iron deposits.",
publisher = "The Electrochemical Society, Inc.",
journal = "Journal of The Electrochemical Society",
title = "Magnetoresistance Controls Arboreous Bead-Dendritic Growth of Magnetic Electrodeposits: Experimental and Theoretical Results",
volume = "151",
number = "9",
pages = "C577-C584",
doi = "10.1149/1.1776591"
}
Nikolić, N. D., Wang, H., Cheng, H., Guerrero, C., Ponizovskaya, E.V., Pan, G.,& Garcia, N.. (2004). Magnetoresistance Controls Arboreous Bead-Dendritic Growth of Magnetic Electrodeposits: Experimental and Theoretical Results. in Journal of The Electrochemical Society
The Electrochemical Society, Inc.., 151(9), C577-C584.
https://doi.org/10.1149/1.1776591
Nikolić ND, Wang H, Cheng H, Guerrero C, Ponizovskaya E, Pan G, Garcia N. Magnetoresistance Controls Arboreous Bead-Dendritic Growth of Magnetic Electrodeposits: Experimental and Theoretical Results. in Journal of The Electrochemical Society. 2004;151(9):C577-C584.
doi:10.1149/1.1776591 .
Nikolić, Nebojša D., Wang, Hai, Cheng, Hao, Guerrero, C., Ponizovskaya, E.V., Pan, Genhua, Garcia, N., "Magnetoresistance Controls Arboreous Bead-Dendritic Growth of Magnetic Electrodeposits: Experimental and Theoretical Results" in Journal of The Electrochemical Society, 151, no. 9 (2004):C577-C584,
https://doi.org/10.1149/1.1776591 . .
15
16

Ballistic magnetoresistance versus magnetostriction effects in electrodeposited nanocontacts at room temperature

Garcia, N.; Wang, Hai; Cheng, Hao; Nikolić, Nebojša D.

(Institute of Electrical and Electronics Engineers, Inc., 2003)

TY  - JOUR
AU  - Garcia, N.
AU  - Wang, Hai
AU  - Cheng, Hao
AU  - Nikolić, Nebojša D.
PY  - 2003
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/4128
AB  - The authors present experiments and discuss recent results on ballistic magnetotesistance in nanometer size (on the order of 1 to 10 nm) nanocontacts grown by electrodeposition in
thin wires and in thin films of a few nanometer thickness. Very large values of magnetoresistance are shown (up to 4000% and more could be obtained). These experiments as well as others
are explained in terms of a dead magnetic layer appearing at the nanocontact. The experiments are also discussed in the context of magnetostriction effects, in the light of existing first principle
calculations and observed inverse magnetoresistive effects.
PB  - Institute of Electrical and Electronics Engineers, Inc.
T2  - IEEE Transactions on Magnetics
T1  - Ballistic magnetoresistance versus magnetostriction effects in electrodeposited nanocontacts at room temperature
VL  - 39, 2776-2781
VL  - 39
SP  - 2776
EP  - 2781
DO  - 10.1109/TMAG.2003.815708
ER  - 
@article{
author = "Garcia, N. and Wang, Hai and Cheng, Hao and Nikolić, Nebojša D.",
year = "2003",
abstract = "The authors present experiments and discuss recent results on ballistic magnetotesistance in nanometer size (on the order of 1 to 10 nm) nanocontacts grown by electrodeposition in
thin wires and in thin films of a few nanometer thickness. Very large values of magnetoresistance are shown (up to 4000% and more could be obtained). These experiments as well as others
are explained in terms of a dead magnetic layer appearing at the nanocontact. The experiments are also discussed in the context of magnetostriction effects, in the light of existing first principle
calculations and observed inverse magnetoresistive effects.",
publisher = "Institute of Electrical and Electronics Engineers, Inc.",
journal = "IEEE Transactions on Magnetics",
title = "Ballistic magnetoresistance versus magnetostriction effects in electrodeposited nanocontacts at room temperature",
volume = "39, 2776-2781, 39",
pages = "2776-2781",
doi = "10.1109/TMAG.2003.815708"
}
Garcia, N., Wang, H., Cheng, H.,& Nikolić, N. D.. (2003). Ballistic magnetoresistance versus magnetostriction effects in electrodeposited nanocontacts at room temperature. in IEEE Transactions on Magnetics
Institute of Electrical and Electronics Engineers, Inc.., 39, 2776-2781, 2776-2781.
https://doi.org/10.1109/TMAG.2003.815708
Garcia N, Wang H, Cheng H, Nikolić ND. Ballistic magnetoresistance versus magnetostriction effects in electrodeposited nanocontacts at room temperature. in IEEE Transactions on Magnetics. 2003;39, 2776-2781:2776-2781.
doi:10.1109/TMAG.2003.815708 .
Garcia, N., Wang, Hai, Cheng, Hao, Nikolić, Nebojša D., "Ballistic magnetoresistance versus magnetostriction effects in electrodeposited nanocontacts at room temperature" in IEEE Transactions on Magnetics, 39, 2776-2781 (2003):2776-2781,
https://doi.org/10.1109/TMAG.2003.815708 . .
6
8