Differential conductance anomaly in ferromagnetic Ni nanocontacts

Koji Sekiguchi; Masayoshi Shimizu; Eiji Saitoh; Hideki Miyajima

doi:10.1016/j.jmmm.2004.04.034

Differential conductance anomaly in ferromagnetic Ni nanocontacts

Koji Sekiguchi, Masayoshi Shimizu, Eiji Saitoh, Hideki Miyajima

Research output: Contribution to journal › Conference article › peer-review

10 Citations (Scopus)

Abstract

The current-voltage characteristics of ferromagnetic Ni and diamagnetic Cu nanocontacts was investigated by using break-junction technique. The I-V curve of Ni nanocontacts exhibits a non-linear behavior, and it is due to the spin polarization. In contrast, the current flowing Cu nanocontact is proportional to bias voltage up to 600 mV.

Original language	English
Pages (from-to)	143-146
Number of pages	4
Journal	Journal of Magnetism and Magnetic Materials
Volume	282
Issue number	1-3
DOIs	https://doi.org/10.1016/j.jmmm.2004.04.034
Publication status	Published - 2004 Nov
Externally published	Yes
Event	International Symposium on Advanced Magnetic Technologies - Taipei, Taiwan, Province of China Duration: 2003 Nov 13 → 2003 Nov 16

Keywords

Conductance quantization
Ferromagnetic materials
Nanowire
Point contact

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1016/j.jmmm.2004.04.034

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title = "Differential conductance anomaly in ferromagnetic Ni nanocontacts",

abstract = "The current-voltage characteristics of ferromagnetic Ni and diamagnetic Cu nanocontacts was investigated by using break-junction technique. The I-V curve of Ni nanocontacts exhibits a non-linear behavior, and it is due to the spin polarization. In contrast, the current flowing Cu nanocontact is proportional to bias voltage up to 600 mV.",

keywords = "Conductance quantization, Ferromagnetic materials, Nanowire, Point contact",

author = "Koji Sekiguchi and Masayoshi Shimizu and Eiji Saitoh and Hideki Miyajima",

note = "Funding Information: This work is partly supported by a Grant-in-Aid for Scientific Research on Priory Area from the Ministry of Education, Culture, Sports, Science and Technology.; International Symposium on Advanced Magnetic Technologies ; Conference date: 13-11-2003 Through 16-11-2003",

year = "2004",

month = nov,

doi = "10.1016/j.jmmm.2004.04.034",

language = "English",

volume = "282",

pages = "143--146",

journal = "Journal of Magnetism and Magnetic Materials",

issn = "0304-8853",

publisher = "Elsevier",

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TY - JOUR

T1 - Differential conductance anomaly in ferromagnetic Ni nanocontacts

AU - Sekiguchi, Koji

AU - Shimizu, Masayoshi

AU - Saitoh, Eiji

AU - Miyajima, Hideki

N1 - Funding Information: This work is partly supported by a Grant-in-Aid for Scientific Research on Priory Area from the Ministry of Education, Culture, Sports, Science and Technology.

PY - 2004/11

Y1 - 2004/11

N2 - The current-voltage characteristics of ferromagnetic Ni and diamagnetic Cu nanocontacts was investigated by using break-junction technique. The I-V curve of Ni nanocontacts exhibits a non-linear behavior, and it is due to the spin polarization. In contrast, the current flowing Cu nanocontact is proportional to bias voltage up to 600 mV.

AB - The current-voltage characteristics of ferromagnetic Ni and diamagnetic Cu nanocontacts was investigated by using break-junction technique. The I-V curve of Ni nanocontacts exhibits a non-linear behavior, and it is due to the spin polarization. In contrast, the current flowing Cu nanocontact is proportional to bias voltage up to 600 mV.

KW - Conductance quantization

KW - Ferromagnetic materials

KW - Nanowire

KW - Point contact

UR - http://www.scopus.com/inward/record.url?scp=6344278042&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=6344278042&partnerID=8YFLogxK

U2 - 10.1016/j.jmmm.2004.04.034

DO - 10.1016/j.jmmm.2004.04.034

M3 - Conference article

AN - SCOPUS:6344278042

SN - 0304-8853

VL - 282

SP - 143

EP - 146

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

IS - 1-3

T2 - International Symposium on Advanced Magnetic Technologies

Y2 - 13 November 2003 through 16 November 2003

ER -

Differential conductance anomaly in ferromagnetic Ni nanocontacts

Abstract

Keywords

ASJC Scopus subject areas

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