Enabling to evaluate low-conductivity material
Electrochemical strain microscopy (ESM) is known as a technique for probing ion mobility, ion conductivity, etc. in a solid material at a nanoscale. The ESM method is a method for detecting a signal of a local volume change (electrochemical distortion) of a solid generated with the movement of ions by applying a voltage, and for imaging and outputting the detected signal. The ESM method provides an image showing the distribution of ion motion states, but the sharpness of the image depends on the ionic conductivity of the solid material. Therefore, in a solid material having a relatively low ionic conductivity, sufficient S/N ratio cannot be obtained, and it is difficult to evaluate the motion state of ions with high accuracy. The present invention has been made in view of the above circumstances, and by applying a high-frequency bias voltage, it is possible to dramatically enhance a response signal generated in accordance with a motion state of ions. According to the present invention, even in a material having a relatively low ionic conductivity, a distribution image can be obtained with sufficient sharpness.
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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