Schematic diagram of the multi-field nanoindenter.
Drawings and photo of the actual apparatus: (a) schematic of the magnetic field generation device; (b) schematic of the electric field module; (c) three-dimensional renderings for the central part of the multi-field nanoindenter; and (d) the photo of the actual apparatus.
The magnetic field strength at the center of sample position (solid squares) and around the sensors (hollow triangles) versus the distance between the two iron poles.
Calibration for the apparatus in external field with the fused quartz sample: (a) and (c) the indentation hardness and reduced modulus in external magnetic field; (b) and (d) the indentation hardness and reduced modulus in external electric field.
The indentation load-depth curves of Ni(111) at different magnetic field strength.
The indentation load-depth curves of PMN-PT at different electric field strength.
The indentation load-depth curves of LSMO/PIN-PMN-PT at different electric and magnetic field strength: (a) without external field; (b) with electric field 750 V/mm; (c) with magnetic field 2000 Oe; (d) with both electric field 750 V/mm and magnetic field 2000 Oe.
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