From ballistic transport to tunneling in electromigrated ferromagnetic breakjunctions.

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

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From ballistic transport to tunneling in electromigrated ferromagnetic breakjunctions. / Bolotin, Kirill I; Kuemmeth, Ferdinand; Pasupathy, Abhay N; Ralph, D C.

In: Nano Letters, Vol. 6, No. 1, 01.01.2006, p. 123-127.

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

Harvard

Bolotin, KI, Kuemmeth, F, Pasupathy, AN & Ralph, DC 2006, 'From ballistic transport to tunneling in electromigrated ferromagnetic breakjunctions.', Nano Letters, vol. 6, no. 1, pp. 123-127. https://doi.org/10.1021/nl0522936

APA

Bolotin, K. I., Kuemmeth, F., Pasupathy, A. N., & Ralph, D. C. (2006). From ballistic transport to tunneling in electromigrated ferromagnetic breakjunctions. Nano Letters, 6(1), 123-127. https://doi.org/10.1021/nl0522936

Vancouver

Bolotin KI, Kuemmeth F, Pasupathy AN, Ralph DC. From ballistic transport to tunneling in electromigrated ferromagnetic breakjunctions. Nano Letters. 2006 Jan 1;6(1):123-127. https://doi.org/10.1021/nl0522936

Author

Bolotin, Kirill I ; Kuemmeth, Ferdinand ; Pasupathy, Abhay N ; Ralph, D C. / From ballistic transport to tunneling in electromigrated ferromagnetic breakjunctions. In: Nano Letters. 2006 ; Vol. 6, No. 1. pp. 123-127.

Bibtex

@article{1a458bbeeb8f442e94b3e6971b6ca16a,
title = "From ballistic transport to tunneling in electromigrated ferromagnetic breakjunctions.",
abstract = "We fabricate ferromagnetic nanowires with constrictions whose cross section can be reduced gradually from 100 x 30 nm(2) to the atomic scale and eventually to the tunneling regime by means of electromigration. The contacts are mechanically and thermally stable. We measure low-temperature magnetoresistances (MR) <3% for contacts <400 Omega, reproducible MR variations that are nonmonotonic in the regime 400 Omega - 25 kOmega, and a maximum MR of 80% for atomic-scale widths. These results for devices > 400 Omega differ from previous room-temperature studies of electrodeposited devices. For samples in the tunneling regime, we observe large fluctuations in MR, between -10 and 85%.",
author = "Bolotin, {Kirill I} and Ferdinand Kuemmeth and Pasupathy, {Abhay N} and Ralph, {D C}",
year = "2006",
month = jan,
day = "1",
doi = "10.1021/nl0522936",
language = "English",
volume = "6",
pages = "123--127",
journal = "Nano Letters",
issn = "1530-6984",
publisher = "American Chemical Society",
number = "1",

}

RIS

TY - JOUR

T1 - From ballistic transport to tunneling in electromigrated ferromagnetic breakjunctions.

AU - Bolotin, Kirill I

AU - Kuemmeth, Ferdinand

AU - Pasupathy, Abhay N

AU - Ralph, D C

PY - 2006/1/1

Y1 - 2006/1/1

N2 - We fabricate ferromagnetic nanowires with constrictions whose cross section can be reduced gradually from 100 x 30 nm(2) to the atomic scale and eventually to the tunneling regime by means of electromigration. The contacts are mechanically and thermally stable. We measure low-temperature magnetoresistances (MR) <3% for contacts <400 Omega, reproducible MR variations that are nonmonotonic in the regime 400 Omega - 25 kOmega, and a maximum MR of 80% for atomic-scale widths. These results for devices > 400 Omega differ from previous room-temperature studies of electrodeposited devices. For samples in the tunneling regime, we observe large fluctuations in MR, between -10 and 85%.

AB - We fabricate ferromagnetic nanowires with constrictions whose cross section can be reduced gradually from 100 x 30 nm(2) to the atomic scale and eventually to the tunneling regime by means of electromigration. The contacts are mechanically and thermally stable. We measure low-temperature magnetoresistances (MR) <3% for contacts <400 Omega, reproducible MR variations that are nonmonotonic in the regime 400 Omega - 25 kOmega, and a maximum MR of 80% for atomic-scale widths. These results for devices > 400 Omega differ from previous room-temperature studies of electrodeposited devices. For samples in the tunneling regime, we observe large fluctuations in MR, between -10 and 85%.

U2 - 10.1021/nl0522936

DO - 10.1021/nl0522936

M3 - Journal article

VL - 6

SP - 123

EP - 127

JO - Nano Letters

JF - Nano Letters

SN - 1530-6984

IS - 1

ER -

ID: 44225683