Magnetic field imaging of a tungsten carbide film by scanning nano-SQUID microscope

Yusuke Shibata; Shintaro Nomura; Ryosuke Ishiguro; Hiromi Kashiwaya; Satoshi Kashiwaya; Yusuke Nago; Hideaki Takayanagi

doi:10.1088/0953-2048/29/10/104004

Magnetic field imaging of a tungsten carbide film by scanning nano-SQUID microscope

Yusuke Shibata, Shintaro Nomura, Ryosuke Ishiguro, Hiromi Kashiwaya, Satoshi Kashiwaya, Yusuke Nago, Hideaki Takayanagi

Department of Physics

Research output: Contribution to journal › Article

3 Citations (Scopus)

Abstract

We present the results of magnetic field imaging by scanning nano-superconducting quantum interference device (SQUID) microscopy on a tungsten carbide (W-C) film fabricated using focused-ion-beam chemical vapor deposition. We have investigated magnetic field change by a W-C film in an external magnetic field using a scanning nano-SQUID microscope system. We have found that the reduction of the magnetic field above the W-C film was 0.9%, indicating the penetration of vortices in the W-C at an external magnetic field of 0.171 mT.

Original language	English
Article number	104004
Journal	Superconductor Science and Technology
Volume	29
Issue number	10
DOIs	https://doi.org/10.1088/0953-2048/29/10/104004
Publication status	Published - 2016 Aug 19

Keywords

SQUID
ion beam-assisted deposition
tungsten carbide

ASJC Scopus subject areas

Ceramics and Composites
Condensed Matter Physics
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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title = "Magnetic field imaging of a tungsten carbide film by scanning nano-SQUID microscope",

abstract = "We present the results of magnetic field imaging by scanning nano-superconducting quantum interference device (SQUID) microscopy on a tungsten carbide (W-C) film fabricated using focused-ion-beam chemical vapor deposition. We have investigated magnetic field change by a W-C film in an external magnetic field using a scanning nano-SQUID microscope system. We have found that the reduction of the magnetic field above the W-C film was 0.9%, indicating the penetration of vortices in the W-C at an external magnetic field of 0.171 mT.",

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AU - Shibata, Yusuke

AU - Nomura, Shintaro

AU - Ishiguro, Ryosuke

AU - Kashiwaya, Hiromi

AU - Kashiwaya, Satoshi

AU - Nago, Yusuke

AU - Takayanagi, Hideaki

PY - 2016/8/19

Y1 - 2016/8/19

N2 - We present the results of magnetic field imaging by scanning nano-superconducting quantum interference device (SQUID) microscopy on a tungsten carbide (W-C) film fabricated using focused-ion-beam chemical vapor deposition. We have investigated magnetic field change by a W-C film in an external magnetic field using a scanning nano-SQUID microscope system. We have found that the reduction of the magnetic field above the W-C film was 0.9%, indicating the penetration of vortices in the W-C at an external magnetic field of 0.171 mT.

AB - We present the results of magnetic field imaging by scanning nano-superconducting quantum interference device (SQUID) microscopy on a tungsten carbide (W-C) film fabricated using focused-ion-beam chemical vapor deposition. We have investigated magnetic field change by a W-C film in an external magnetic field using a scanning nano-SQUID microscope system. We have found that the reduction of the magnetic field above the W-C film was 0.9%, indicating the penetration of vortices in the W-C at an external magnetic field of 0.171 mT.

KW - SQUID

KW - ion beam-assisted deposition

KW - tungsten carbide

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