Abstract
A universal modulation theory is established to clarify the main parameters affecting the modulation efficiency, making a breakthrough progress on the 1/f noise problem in magnetoresistance (MR) that has not been effectively solved with trial and error for a long time. For achieving a modulation efficiency of 100 %, the theory indicates that the magnetic field strength along the sensitive direction of MR should be designed to be proportional to the displacement of the modulation structure. The established theory is thereafter experimentally demonstrated by proposing a new tunnel magnetoresistance (TMR) accelerometer with the highest modulation efficiency of 87 % than ever. The established theory is not only applicable to various kinds of MR sensors such as magnetometers, displacement meters, accelerometers, resonant galvanometer (Wang galvanometer), as well as other resonant sensors for improving sensing properties, but also a complementary solution to materials research in MR and its relevant field.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
