Conductance quantization by the application of magnetic fields in ballistic Ni nanocontacts

K. Sekiguchi; E. Saitoh; H. Miyajima

doi:10.1063/1.1854454

Conductance quantization by the application of magnetic fields in ballistic Ni nanocontacts

K. Sekiguchi, E. Saitoh, H. Miyajima

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

We investigated the magnetoresistance effect in ballistic Ni nanocontacts in the regime of conductance quantization. In magnetoresistance curves, we found that the conductance is quantized by the application of magnetic fields. The quantization is direct evidence showing the contribution of magnetostriction. The magnetostriction has the potential to control the quantum transport and giant magnetoresistance effect.

Original language	English
Article number	10B312
Journal	Journal of Applied Physics
Volume	97
Issue number	10
DOIs	https://doi.org/10.1063/1.1854454
Publication status	Published - 2005 May 15
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1063/1.1854454

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title = "Conductance quantization by the application of magnetic fields in ballistic Ni nanocontacts",

abstract = "We investigated the magnetoresistance effect in ballistic Ni nanocontacts in the regime of conductance quantization. In magnetoresistance curves, we found that the conductance is quantized by the application of magnetic fields. The quantization is direct evidence showing the contribution of magnetostriction. The magnetostriction has the potential to control the quantum transport and giant magnetoresistance effect.",

author = "K. Sekiguchi and E. Saitoh and H. Miyajima",

note = "Funding Information: This study was partly supported by a Grant-in-Aid for Scientific Research on Priory Area from the Ministry of Education, Culture, Sports, Science and Technology. One of the authors (K.S.) was supported by the 21st Century COE Program (Keio University Project: Optical and Electronic Device for Access Network).",

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AU - Sekiguchi, K.

AU - Saitoh, E.

AU - Miyajima, H.

N1 - Funding Information: This study was partly supported by a Grant-in-Aid for Scientific Research on Priory Area from the Ministry of Education, Culture, Sports, Science and Technology. One of the authors (K.S.) was supported by the 21st Century COE Program (Keio University Project: Optical and Electronic Device for Access Network).

PY - 2005/5/15

Y1 - 2005/5/15

N2 - We investigated the magnetoresistance effect in ballistic Ni nanocontacts in the regime of conductance quantization. In magnetoresistance curves, we found that the conductance is quantized by the application of magnetic fields. The quantization is direct evidence showing the contribution of magnetostriction. The magnetostriction has the potential to control the quantum transport and giant magnetoresistance effect.

AB - We investigated the magnetoresistance effect in ballistic Ni nanocontacts in the regime of conductance quantization. In magnetoresistance curves, we found that the conductance is quantized by the application of magnetic fields. The quantization is direct evidence showing the contribution of magnetostriction. The magnetostriction has the potential to control the quantum transport and giant magnetoresistance effect.

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Conductance quantization by the application of magnetic fields in ballistic Ni nanocontacts

Abstract

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