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Heat Capacity And High Pressure Exploration Of Ybb2, Brant Abeln, Andrew Cornelius
Heat Capacity And High Pressure Exploration Of Ybb2, Brant Abeln, Andrew Cornelius
Undergraduate Research Opportunities Program (UROP)
The compound YbB2 has been reported to order anti-ferromagnetically at temperatures around 5.6 K. This transition was verified from heat capacity data taken in different magnetic fields by our Quantum Design PPMS system. X-ray diffraction measurements have been performed using this sample under different pressures at the APS facility in Argonne National Laboratory. A sudden change in resistivity measurements of the sample indicated a possible structural phase transition around 3 GPa. The data indicates the YbB2 compound is not responsible for the anomaly.