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We report on a magneto-transport and quantum oscillations study on highquality single crystals of the transition metal di-tellurides PtTe$_2$ andPdTe$_2$. The de Haas-van Alphen (dHvA) oscillations in the magnetizationmeasurements on PtTe$_2$ reveal a complicated, anisotropic band structurecharacterized by low effective masses and high mobilities for the carriers.Extracted transport parameters for PtTe$_2$ reveal a strong anisotropy whichcould be related to the tilted nature of Dirac cone. Using a Landau level fandiagram analysis we find at least one Fermi surface orbit with a Berry phase of$\pi$ consistent with Dirac electrons for both PtTe$_2$ and PdTe$_2$. The lighteffective mass and high mobility are also consistent with Dirac electrons inPtTe$_2$. Our results suggest that similar to PdTe$_2$, PtTe$_2$ might also bea three dimensional Dirac semimetal.

A de Hass-van Alphen study of the Type-II Dirac semimetal candidates $A$Te$_2$ ($A =$ Pt, Pd)