Quasi two-dimensional Fermi surface topography of the delafossite PdRhO$_2$

Andrew P. Mackenzie; Elena Hassinger; Federico Mazzola; Frank Arnold; Helge Rosner; Marcel Naumann; Philip D.C. King; Seunghyun Khim; Veronika Sunko

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Quasi two-dimensional Fermi surface topography of the delafossite PdRhO₂

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arxiv 1706.08865 v1 pith:CGYWBRVI submitted 2017-06-27 cond-mat.mtrl-sci

Quasi two-dimensional Fermi surface topography of the delafossite PdRhO₂

Frank Arnold , Marcel Naumann , Seunghyun Khim , Helge Rosner , Veronika Sunko , Federico Mazzola , Philip D.C. King , Andrew P. Mackenzie

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Elena Hassinger

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keywords delafossitefermihighmathrmpdrhophotoemissionroundedsurface

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We report on a combined study of the de Haas-van Alphen effect and angle resolved photoemission spectroscopy on single crystals of the metallic delafossite PdRhO$_2$ rounded off by \textit{ab initio} band structure calculations. A high sensitivity torque magnetometry setup with SQUID readout and synchrotron-based photoemission with a light spot size of $~50\,\mu\mathrm{m}$ enabled high resolution data to be obtained from samples as small as $150\times100\times20\,(\mu\mathrm{m})^3$. The Fermi surface shape is nearly cylindrical with a rounded hexagonal cross section enclosing a Luttinger volume of 1.00(1) electrons per formula unit.

Quasi two-dimensional Fermi surface topography of the delafossite PdRhO₂

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