Nuclear Magnetic Resonance Probe Head Design for Precision Strain Control

Abstract

We present the design and construction of an NMR probe to investigate single crystals under strain at cryogenic temperatures. The probe head incorporates a piezoelectric-based apparatus from Razorbill Instruments that enables both compressive and tensile strain tuning up to strain values on the order of 0.3% with a precision of 0.001%. ${}^{75}$As NMR in BaFe${}_2$As${}_2$ reveals large changes to the electric field gradient, and indicates that the strain is homogeneous to within 16% over the volume of the NMR coil.

arXiv comment9 figures

References in corpus (10)

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Cited by in corpus (5)

• Local nematic susceptibility in stressed BaFe${}_2$As${}_2$ from NMR electric field gradient measurements
• Heat-capacity measurements under uniaxial pressure using a piezo-driven device
• Elastoresistive and Elastocaloric Anomalies at Magnetic and Electronic-Nematic Critical Points
• Elasto-Raman scattering: arsenic optical phonon as a probe of nematicity in BaFe${}_2$As${}_2$
• Measurements of nematic susceptibility with phase sensitive nuclear magnetic resonance in pulsed strain fields