The cantilever is incorporated into a bridge circuit allowing for the measurement of subtle changes in the deflection of the cantilever. The small footprint of the cantilever makes this measurement compatible with small sample spaces where rotation is possible.
Images & Sample Data
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Piezo resistive cantilever shown on a silicon substrate with the tip resting on a sample.
Piezo resistive cantilever shown on a silicon substrate with the tip resting on a sample.
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Temperature dependence of the (a) resistance and (b) dilation of depleted uranium (dU).
Temperature dependence of the (a) resistance and (b) dilation of depleted uranium (dU).
https://nationalmaglab.org/user-facilities/dc-field/dcfield-techniques/dilatometry-piezo-dc#sigProIdb80508a117
Instrumentation
Resistive Magnets
- 31 Tesla, cell 7
- 31 Tesla, cell 9
- 35 Tesla, cell 8
- 35 Tesla, cell 12
- 36 Tesla, cell 14
- 45 Tesla, cell 15
Superconducting Magnets
- Stanford Research and Signal Recovery lock-in amplifiers
- Decade resistance boxes to balance the bridge circuit
Related Publications
Mun, E.D., et al, Magnetic-field-tuned quantum criticality of the heavy-fermion system YbPtBi, Phys. Rev. B (2013) Read online
Correa, V.F., et al High-Magnetic-Field Lattice Length Changes in URu2Si2, Phys. Rev. Lett., 109 (24) (2012) Read online
Schmiedeshoff, G.M., et al Multiple regions of quantum criticality in YbAgGe, Phys. Rev. B, 83 (2011) Read online
Park, J.-H., et al, High Resolution Miniature Dilatometer Based on an Atomic Force Microscope Piezocantilever, Rev. Sci. Instrum., 80 (2009) Read online
Correa, V.F., et al, Magnetic-Field-Induced Lattice Anomaly inside the Superconducting State of CeCoIn5: Anisotropic Evidence of the Possible Fulde-Ferrell-Larkin-Ovchinnikov State, Phys. Rev. Lett., 98 (2007) Read online
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