Roei explaining his science in front of a whiteboardRoei Dery

(Cornell University)

Research Project Description.

We present the first electron transport measurements of the crystal TbAuAl4Ge2. A magnetic ordering temperature in the 10–15 K regime is observed in a temperature sweep of resistivity and corroborates similar findings from magnetization data. Field sweeps from –7 to 7 T of the magnetoresistance and Hall resistivity are presented and display similar features as magnetization field sweeps. The Topological Hall Effect contribution to the Hall resistivity is isolated and reported. Measurement methods and Hall effect mechanisms are also discussed.





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