Josephson junctions defined by a nanoplough

B. Irmer; R. H. Blick; F. Simmel; W. Gödel; H. Lorenz; J. P. Kotthaus

doi:10.1063/1.122364

Josephson junctions defined by a nanoplough

B. Irmer, R. H. Blick, F. Simmel, W. Gödel, H. Lorenz, J. P. Kotthaus

University of Munich

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

56 Scopus citations

Abstract

We define superconducting constrictions by ploughing a deposited Aluminum film with a scanning probe microscope. The microscope tip is modified by electron-beam deposition to form a nanoplough of diamond-like hardness which allows the definition of highly transparent Josephson junctions. Additionally, a dc superconducting quantum interference device is fabricated in order to verify the junction's behavior. The devices are easily integrated in mesoscopic devices as local radiation sources and can be used as tunable on-chip millimeter-wave sources.

Original language	English
Pages (from-to)	2051-2053
Number of pages	3
Journal	Applied Physics Letters
Volume	73
Issue number	14
DOIs	https://doi.org/10.1063/1.122364
State	Published - 1998
Externally published	Yes

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10.1063/1.122364

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abstract = "We define superconducting constrictions by ploughing a deposited Aluminum film with a scanning probe microscope. The microscope tip is modified by electron-beam deposition to form a nanoplough of diamond-like hardness which allows the definition of highly transparent Josephson junctions. Additionally, a dc superconducting quantum interference device is fabricated in order to verify the junction's behavior. The devices are easily integrated in mesoscopic devices as local radiation sources and can be used as tunable on-chip millimeter-wave sources.",

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AU - Irmer, B.

AU - Blick, R. H.

AU - Simmel, F.

AU - Gödel, W.

AU - Lorenz, H.

AU - Kotthaus, J. P.

PY - 1998

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AB - We define superconducting constrictions by ploughing a deposited Aluminum film with a scanning probe microscope. The microscope tip is modified by electron-beam deposition to form a nanoplough of diamond-like hardness which allows the definition of highly transparent Josephson junctions. Additionally, a dc superconducting quantum interference device is fabricated in order to verify the junction's behavior. The devices are easily integrated in mesoscopic devices as local radiation sources and can be used as tunable on-chip millimeter-wave sources.

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Josephson junctions defined by a nanoplough

Abstract

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