Evidence of Charge density wave in Re doped MoTe<sub>2</sub>

Transition metal dichalcogenides exhibit interesting structural and intercalation chemistry and consequent exotic physical properties. Superconductivity with a very low transition temperature of 0.1 K was earlier discovered in the orthorhombic MoTe₂. MoTe₂ also shows a charge density wave (CDW) phase when grown in thin film form, but a CDW phase in bulk MoTe₂ has not been reported. It is also known that Re substitution for Mo sites leads to an increase in superconducting transition temperature. Mo_0.8Re_0.2Te₂shows a high critical temperature T_c of 3.8 K. Based on our transport and scanning tunneling microscopy experiments we will discuss that the compound Mo_0.8Re_0.2Te₂ also supports a CDW phase with an onset temperature of 150 K. Our results suggest that CDW and superconductivity may compete with each other in Re doped MoTe₂.

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Bulletin of the American Physical Society

APS March Meeting 2019

Volume 64, Number 2

Monday–Friday, March 4–8, 2019; Boston, Massachusetts

Session F04: Dirac/Weyl Semimetals -- Transport II (including STM, etc)

Abstract: F04.00005 : Evidence of Charge density wave in Re doped MoTe2

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Abstract: F04.00005 : Evidence of Charge density wave in Re doped MoTe₂