[17a-M_374-1~12] 10.3 Spin devices, magnetic memories and storages

10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)

[17a-M_374-7] Estimation of weak electric currents using 3-Axis TMR Sensors

〇Ryota Odagiri¹, Ito Jun¹, Oogane Mikihiko^1,2 (1.Tohoku Univ., 2.CSIS, Tohoku Univ)

Keywords:

magnetic sensor,medical applications

Tunnel Magnetoresistance (TMR) sensors are emerging as promising candidates for high-precision measurement of ultra-weak magnetic fields. While their sensitivity is currently lower than that of Superconducting Quantum Interference Devices (SQUIDs), TMR sensors offer the advantages of room-temperature operation, compact size, and low operational costs, leading to high expectations for their application across diverse fields. This study targets medical applications and aims to evaluate and improve the accuracy of position estimation by measuring magnetic fields from magnetic sources using TMR sensors.