Permeability Measurement Performance of PHR Sensor According to Direction of Driving Current

被引：0

作者：

Yoon, Seok Soo ^{[1
]}

Kim, Dong Young ^{[1
]}

机构：

[1] Andong Natl Univ, Dept Smart Sensors Engn, Andong 36729, South Korea

来源：

JOURNAL OF THE KOREAN MAGNETICS SOCIETY | 2023年 / 33卷 / 02期

关键词：

PHR sensor; self-field; disk arrays; permeability; ROOM-TEMPERATURE; MAGNETORESISTANCE;

D O I：

10.4283/JKMS.2023.33.2.076

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In order to analyze the permeability measurement performance of the PHR sensor, Type A and Type B sensors with different driving current directions were fabricated. In Type A and B sensors, the magnetic field dependence of the PHR signal V and the signal by self-field V was measured, and these results were well agreed with the calculated results by single domain model. In particular, V was reflected the magnetic sensitivity of Vf, and increased as much as AV by the NiFe disk array specimen placed on the sensor. The permeability measurement performance of Type A and B sensors obtained from AV were high resolution of Ap= 0.45 and 0.75, respectively.

引用

页码：76 / 81

页数：6

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