Nuclear magnetic resonance probe head design for precision strain control

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 orde...

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Bibliographic Details
Published in:Review of Scientific Instruments
Main Authors: Kissikov, T., Sarkar, R., Bush, B. T., Lawson, M., Canfield, P. C., Curro, N. J.
Other Authors: Division of Materials Research, Deutsche Forschungsgemeinschaft, U.S. Department of Energy
Format: Article in Journal/Newspaper
Language:English
Published: AIP Publishing 2017
Subjects:
Razorbill
Online Access:http://dx.doi.org/10.1063/1.5002631
http://aip.scitation.org/doi/am-pdf/10.1063/1.5002631
https://pubs.aip.org/aip/rsi/article-pdf/doi/10.1063/1.5002631/16129293/103902_1_online.pdf
Description
Summary: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%. 75As NMR in BaFe2As2 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.

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