Department of Physics, Indian Institute of Technology Delhi (IITD), New Delhi 110016, India
Adv. Mater. Lett., 2016, 7 (11), pp 886-890
DOI: 10.5185/amlett.2016.6208
Publication Date (Web): Oct 01, 2016
Copyright © IAAM-VBRI Press
E-mail:rmala@physics.iitd.ac.in
Topological insulators are the new phase of matter with bulk insulating and conducting surface states. Among the known three dimensional topological insulators, bismuth selenide (Bi2Se3) is one of the most promising materials for studying topological insulating properties. Bi2Se3 thin films are grown using thermal evaporation technique and atomically smooth films are obtained by post annealing treatment. Pure phase of Bi2Se3 is confirmed using x-ray diffraction; Raman spectroscopy shows a strong intensity of A11g, E2g and A21g 2Se3 thin films. The surface studies on these films are carried out using scanning electron microscopy and atomic force microscopy. X-ray photoelectron spectroscopy (XPS) is used for elemental analyses in Bi2Se3 thin film. The surface quality of the film is improved with plasma etching (i.e. argon etching) in XPS. High quality Bi2Se3 thin films can be used further for investigation on transport properties of topological insulators.
Progress and Perspectives of Photodetectors Based on 2D Materials
Synthesis and Characterization of Platinum and Platinum based Alloy Nanoparticles Anchored on Various Carbon Materials for Methanol Oxidation in a DMFC – A Short Review
Influence of Processing Induced Morphology on the Performance of PP Injected Intricate Pieces Modified with MWCNT as a Painting Aide
Inhibitive Effect on the Rate of Hydrolysis of Tetracaine by the Surfactant-Coated Magnetic Nanoparticles (Fe3O4)
Multi-Energy System Based on Ocean Thermal Energy Conversion
Synthesis of Nitrogen-doped KTaTeO6 with Enhanced Visible Light Photocatalytic Degradation of Methylene Blue
Structural Evolution and Enhanced Energy Density, Ferroelectric Property Investigation in Gd Substituted NBT – BT Lead Free Ferroelectric Ceramics
Designing of 10 Wt. % Graphite Particulate Hot Forged AA7075 Composites and its Loss Factor Analysis
Positron Annihilation Spectroscopy of Basaltic Rocks from Plio-Qaternary Volcanics, Sana’a-Amran Volcanic Field, Yemen
Perspectives on Published Energy Sources and Smart Energy Supplies
State of Art Review on Nanobubbles
Eggshell Membrane Assisted CdS Nanoparticles for Manganese Removal in Water Treatment
Green Chemistry Synthesis of Nano-Hydroxyapatite using Natural Stabilisers
Structural, Optical and Electrical Properties of CaSnO3 and Ca0.98Nd0.02Sn0.98Ti0.02O3 Synthesized using Sol-Gel Method
Phase Change Materials Reinforced with Aluminium Foam for Latent Heat Storage
Influence of Manganese and Copper Doping on Structural and Optical Properties of Chromium Oxide Nanoparticles
Understanding of intriguing metal to semiconductor transition in Ni0.5Zn0.5Fe2O4 nanoparticulates
Flaw Resistance and Mode - I Fracture Energy Redistribution in Bamboo - A Correlation
Copyright ©2010-2021 VBRI Press
Full Article