Modulation of external electric field on surface states of topological insulator Bi2Se3 thin films

2012 ◽  
Vol 101 (22) ◽  
pp. 223109 ◽  
Author(s):  
Genhua Liu ◽  
Guanghui Zhou ◽  
Yong-Hai Chen
Keyword(s):  
Thin Films ◽  
Electric Field ◽  
External Electric Field ◽  
Topological Insulator ◽  
Surface States

Robustness of the electronic structure and charge transfer in topological insulator Bi2Te2Se and Bi2Se2Te thin films under an external electric field

2020 ◽  
Vol 22 (7) ◽  
pp. 3867-3874 ◽  
Author(s):  
Yurong Ruan ◽  
Lu Huang ◽  
Yanmin Yang ◽  
Guigui Xu ◽  
Kehua Zhong ◽  
...  
Keyword(s):  
Thin Films ◽  
Electronic Structure ◽  
Charge Transfer ◽  
Electric Field ◽  
External Electric Field ◽  
Topological Insulator ◽  
Electrical Field ◽  
External Electrical Field

The electronic structure and charge transfer of Bi2Te2Se and Bi2Se2Te thin films are robust to an external electrical field.

scholarly journals Spectroscopic signature of surface states and bunching of bulk subbands in topological insulator ( Bi0.4Sb0.6)2Te3 thin films

2022 ◽  
Vol 105 (3) ◽  
Author(s):  
Liesbeth Mulder ◽  
Carolien Castenmiller ◽  
Femke J. Witmans ◽  
Steef Smit ◽  
Mark S. Golden ◽  
...  
Keyword(s):  
Thin Films ◽  
Topological Insulator ◽  
Surface States

scholarly journals Manifestation of axion electrodynamics through magnetic ordering on edges of a topological insulator

2015 ◽  
Vol 112 (37) ◽  
pp. 11514-11518 ◽  
Author(s):  
Yea-Lee Lee ◽  
Hee Chul Park ◽  
Jisoon Ihm ◽  
Young-Woo Son
Keyword(s):  
Electric Field ◽  
Topological Insulator ◽  
Time Reversal ◽  
First Principles ◽  
Surface States ◽  
Magnetic Ordering ◽  
Crystal Face ◽  
Magnetic Dipoles ◽  
Topological Surface ◽  
The Difference

Because topological surface states of a single-crystal topological insulator can exist on all surfaces with different crystal orientations enclosing the crystal, mutual interactions among those states contiguous to each other through edges can lead to unique phenomena inconceivable in normal insulators. Here we show, based on a first-principles approach, that the difference in the work function between adjacent surfaces with different crystal-face orientations generates a built-in electric field around facet edges of a prototypical topological insulator such as Bi2Se3. Owing to the topological magnetoelectric coupling for a given broken time-reversal symmetry in the crystal, the electric field, in turn, forces effective magnetic dipoles to accumulate along the edges, realizing the facet-edge magnetic ordering. We demonstrate that the predicted magnetic ordering is in fact a manifestation of the axion electrodynamics in real solids.

Effects of the external electric field from a substrate on Cl2 gas adsorption on SnO2 thin films

1996 ◽  
Vol 69 (5) ◽  
pp. 632-634 ◽  
Author(s):  
Yoshiko Niki Kunishima ◽  
Masaru Miyayama ◽  
Hiroaki Yanagida
Keyword(s):  
Thin Films ◽  
Electric Field ◽  
External Electric Field ◽  
Gas Adsorption ◽  
Sno2 Thin Films
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