Low-Temperature Properties of the Magnetic Sensor with Amorphous Wire

Low-Temperature Properties of the Magnetic Sensor with Amorphous Wire

We found that a magnetic sensor made of a coil wound around a 5 f0.1 mm (Fe Co ) Si B (FeCoSiB) amorphous wire could operate in a wide temperature range from room temperature to liquid helium temperature (4.2 K). The low-temperature sensing element of the sensor was connected to the room-temperature...

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Veröffentlicht in:Sensors (Basel, Switzerland) Switzerland), 2020-12, Vol.20 (23), p.6986
Hauptverfasser: He, Dongfeng, Umemori, Kensei, Ueki, Ryuichi, Dohmae, Takeshi, Okada, Takafumi, Tachiki, Minoru, Ooi, Shuuichi, Watanabe, Makoto
Format: Artikel
Sprache:eng
Schlagworte:
amorphous wire
Coaxial cables
Experiments
FeCoSiB
Helium
Letter
Liquid helium
Low temperature
Magnetic fields
Magnetic properties
magnetic sensor
Magnetism
Room temperature
Sensors
Wire
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Zusammenfassung:We found that a magnetic sensor made of a coil wound around a 5 f0.1 mm (Fe Co ) Si B (FeCoSiB) amorphous wire could operate in a wide temperature range from room temperature to liquid helium temperature (4.2 K). The low-temperature sensing element of the sensor was connected to the room-temperature driving circuit by only one coaxial cable with a diameter of 1 mm. The one-cable design of the magnetic sensor reduced the heat transferring through the cable to the liquid helium. To develop a magnetic sensing system capable of operating at liquid helium temperature, we evaluated the low-temperature properties of the FeCoSiB magnetic sensor.
ISSN:1424-8220
1424-8220
DOI:10.3390/s20236986