Probe-position determination with multichannel <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"> <mml:mi>I</mml:mi> </mml:math> - <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" ove

Atomically thin films and surfaces exhibit many distinctive two-dimensional electronic properties that are absent in bulk crystals. microscale multiprobe measurements have been utilized as an effective method to identify the electrical conductivity of such thin films and surfaces. Precise determination of multiprobe positions is crucial for accurate characterization of the conductance. However, traditional methods that use microscopes for determining multiprobe positions often impose significant constraints on experimental setups. In some cases, installing a microscope is not even feasible. Therefore, in this study, we propose a novel method to determine probe positions using electrical signals from the probes. This method enables precise determination of probe positions using a reference sheet and reference probes, even at low or high temperatures and under ultrahigh-vacuum or high-pressure conditions. The proposed method simplifies the integration of microscale multiprobe measurement systems into various devices, thereby advancing research on thin films and surfaces.

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Publication Details

Journal
Physical Review Applied
Published
2025-03-25
DOI
https://doi.org/10.1103/physrevapplied.23.034064
Primary Topic
Surface and Thin Film Phenomena
Type
article
Field-Weighted Citation Impact
0.00

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article

Probe-position determination with multichannel <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"> <mml:mi>I</mml:mi> </mml:math> - <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" ove

Ryu Yukawa, Tomoyuki Iori
Physical Review Applied
Surface and Thin Film Phenomena
article

Probe-position determination with multichannel <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"> <mml:mi>I</mml:mi> </mml:math> - <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" ove

Ryu Yukawa, Tomoyuki Iori
article en

Abstract

Atomically thin films and surfaces exhibit many distinctive two-dimensional electronic properties that are absent in bulk crystals. microscale multiprobe measurements have been utilized as an effective method to identify the electrical conductivity of such thin films and surfaces. Precise determination of multiprobe positions is crucial for accurate characterization of the conductance. However, traditional methods that use microscopes for determining multiprobe positions often impose significant constraints on experimental setups. In some cases, installing a microscope is not even feasible. Therefore, in this study, we propose a novel method to determine probe positions using electrical signals from the probes. This method enables precise determination of probe positions using a reference sheet and reference probes, even at low or high temperatures and under ultrahigh-vacuum or high-pressure conditions. The proposed method simplifies the integration of microscale multiprobe measurement systems into various devices, thereby advancing research on thin films and surfaces.

Physical Review AppliedVol. 23(3)
Tohoku University (JP), Japan Aerospace Exploration Agency (JP), The University of Osaka (JP)
Japan Society for the Promotion of Science
Openalex Percentile: Top 95%
Surface and Thin Film Phenomena
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Probe-position determination with multichannel <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"> <mml:mi>I</mml:mi> </mml:math> - <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" ove — Ryu Yukawa, Tomoyuki Iori · Physical Review Applied (2025) | TGRS Research Map | TGRS