Magneto-resistance up to 60 Tesla in Topological Insulator Bi2Te3 Thin Films

Abstract

We report magneto-transport studies of topological insulator Bi_{2}Te_{3} thin films grown by pulsed laser deposition. A non-saturating linear-like magneto-resistance (MR) is observed at low temperatures in the magnetic field range from a few Tesla up to 60 Tesla. We demonstrate that the strong linear-like MR at high field can be well understood as the weak antilocalization phenomena described by Hikami-Larkin-Nagaoka theory. Our analysis suggests that in our system, a topological insulator, the elastic scattering time can be longer than the spin-orbit scattering time. We briefly discuss our results in the context of Dirac Fermion physics and 'quantum linear magnetoresistance'.

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• Demonstration of surface transport in a hybrid Bi2Se3/Bi2Te3 heterostructure
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• Linear nonsaturating magnetoresistance in the Nowotny chimney ladder compound Ru${}_2$Sn${}_3$
• Identifying the fingerprints of topological states by tuning magnetoresistance in a semimetal: the case of topological half-Heusler Pt1-xAuxLuSb
• Large Rashba parameter for 4d strongly correlated perovskite oxide SrNbO3 ultrathin films
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• Hikami-Larkin-Nagaoka (HLN) Fitting of Magneto Transport of Bi2Se3 Single Crystal in Different Magnetic Field Ranges
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