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초록
We fabricated a magnetic field sensor made of an InAs quantum-well. Various numbers of magnetic particles were located on the sensor and the stray field generated by the magnetic particles was detected using micro-Hall magnetometry at room temperature. A numerical calculation carried out for this device successfully explained the experimental results and a useful equation relating the signal of the device and the number of particles was deduced.
키워드
magnetic particle; biosensor; gradiometry; MAGNETORESISTANCE; BIOSENSORS; SENSORS
- 제목
- Detection of a countable number of magnetic particles for biological applications using a Hall device
- 저자
- Kim, Y.; Lee, W.; Hong, J.; Hong, S. K.; Kim, K. H.; Kim, S. U.; Rhie, K.; Lee, S.; Chung, Y.; Shin, K.
- 발행일
- 2008-02
- 유형
- Article
- 권
- 52
- 호
- 2
- 페이지
- 513 ~ 516