Regensburg 2019 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 38: f-Electron Systems and Heavy Fermions

TT 38.9: Vortrag

Mittwoch, 3. April 2019, 12:00–12:15, H23

Development of microstructure strain rig and investigations into PrV2Al20 — •Po-Ya Yang1, Jack Bartlett1, 2, and Clifford Hicks11Max Planck Institute for Chemical Physics of Solids, Dresden, Germany — 2Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St. Andrews, St. Andrews, United Kingdom

Uniaxial stress is a powerful method to explore the electronic states of materials. By lifting the symmetry of a lattice, it enables direct probing of symmetry-related phenomena. Reducing the size of the sample and improving surface quality are expected to improve the achievable precision and the maximum achievable stress before the sample fractures. Here, I will present methods and apparatus for applying uniaxial stress to samples that have been microstructured with a focused ion beam, and demonstrate with measurements on PrV2Al20.

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