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Alternative title: Earthquake countermeasures in scanning tunneling microscopy experiments using earthquake early warning

Description:

Frequent earthquakes in Japan can be problematic for vibration-sensitive measurements. For example, in scanning tunneling microscope (STM) experiments, seismic vibrations cause noises in the data and sometimes lead to a tip crash against the sample surface. The risk of tip crash rises during spectroscopic imaging measurements using STM, where the feedback control is disabled for most of the long measurement time. Here, we have developed a system to prevent tip crashes by retracting the tip in response to the earthquake early warning of the Japan Meteorological Agency. The technique utilizes a built-in function of a commercial STM controller, and an earthquake monitoring service offered by the National Research Institute for Earth Science and Disaster Prevention. We present data to demonstrate how the system works at an earthquake. Our work provides hints for conducting vibration-sensitive measurements in earthquake-prone countries.

Rights:

• Creative Commons BY-NC Attribution-NonCommercial 4.0 International
  

Keyword: Scanning tunneling microscope, Spectroscopic imaging, Earthquake, Earthquake early warning

Date published: 2023-01-10

Publisher: Surface Science Society Japan

Journal:

• 表面と真空 (ISSN: 24335835) vol. 66 issue. 1 p. 46-51

Funding:

• JSPS 21H01817 (空間反転対称性の破れた原子層超伝導体におけるパリティ混成クーパー対の検出)
• JSPS 21K18898 (走査トンネル顕微鏡を使った分子操作によるフラットバンドエンジニアリング)

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.4401

First published URL: https://doi.org/10.1380/vss.66.46

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Updated at: 2024-02-07 13:37:28 +0900

Published on MDR: 2024-02-07 16:30:16 +0900