The inverse magnetic shape memory effect in membranes for pressure sensor applications
作者： J. M. Stephan , K. Retan , P. Ruther , O. Paul
DOI: 10.1109/ICSENS.2012.6411030
关键词:
摘要: This paper presents the basis for a novel pressure sensor application based on ferromagnetic shape memory alloy (FSMA) NiMnGa. Usually, underlying mechanism sensing applications using FSMAs is martensitic reorientation accompanied by change of magnetization. The magnetization upon mechanical stress can be measured magnetic field sensor. We demonstrate that reorientations are detectable in pressurized membranes despite complex distribution arising such geometries. Further, within FSMA was detected giant magnetoresistance (GMR) experimental results serve as proof concept membrane-based FSMAs.
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