Magneto-transport studies on Bi2Te2+xSe1–x (x = 0.05 and 0.10) topological insulators | Zendy

Bushra Irfan | Zendy; Ratnamala Chatterjee | Zendy

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Magneto-transport studies on Bi₂Te_2+xSe_1–x (x = 0.05 and 0.10) topological insulators

Author(s) -

Bushra Irfan,

Ratnamala Chatterjee

Publication year - 2016

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4963301

Subject(s) - magnetoresistance , topological insulator , condensed matter physics , materials science , magneto , conductance , magnetic field , topology (electrical circuits) , physics , magnet , mathematics , combinatorics , quantum mechanics

Bi2Te2Se is one of the most promising three dimensional topological insulators, for the study of surface states. In this work, we report the results of transport and magneto-transport behavior of Bi2Te2+xSe1–x (x=0.05 and 0.10) single crystals grown using modified Bridgeman technique. Resistance versus temperature measurements show semiconducting behavior for x = 0.05 and 0.10 crystals. Linear magnetoresistance is observed for Bi2Te2.05Se0.95 (i.e. x=0.05) whereas, Bi2Te2.10Se0.90 (x=0.10) single crystal shows a conductance fluctuations at low magnetic field

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