Growth and characterization of large weak topological insulator Bi2TeI single crystal by Bismuth self-flux method

Gihun Ryu; Kwanghyo Son; Gisela Schütz

doi:10.1016/j.jcrysgro.2016.01.018

Growth and characterization of large weak topological insulator Bi₂TeI single crystal by Bismuth self-flux method

Gihun Ryu
, Kwanghyo Son
, Gisela Schütz

Max Planck Institute for Solid State Research
Max Planck Institute for Intelligent Systems

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

Two dimensional (2D) topological insulators (TIs) with a quantum spin Hall (QSH) effect feature edge states (ESs) that are topologically protected from backscattering. Bi₂TeI with 2D Bismuth bilayer is one of the representative compounds of weak topological insulator. However, nobody has prepared a high quality single crystal with a millimeter size so far. Here, we have successfully synthesized a large single crystal sized up to "millimeter (∼5×5 mm²)" using the Bismuth self-flux method. And we also found its giant anisotropy transport behavior in Bi₂TeI of a 2D TI constructed from nontrivial Bi bilayers (Quantum Spin Hall phase) capped by a trivial Te-Bi-I layer.

Original language	English
Pages (from-to)	26-30
Number of pages	5
Journal	Journal of Crystal Growth
Volume	440
DOIs	https://doi.org/10.1016/j.jcrysgro.2016.01.018
State	Published - 15 Apr 2016
Externally published	Yes

Keywords

A1. Characterization
A1. Low dimensional structures
A2. Single crystal growth
B1. Inorganic compounds

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10.1016/j.jcrysgro.2016.01.018

Cite this

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title = "Growth and characterization of large weak topological insulator Bi2TeI single crystal by Bismuth self-flux method",

abstract = "Two dimensional (2D) topological insulators (TIs) with a quantum spin Hall (QSH) effect feature edge states (ESs) that are topologically protected from backscattering. Bi2TeI with 2D Bismuth bilayer is one of the representative compounds of weak topological insulator. However, nobody has prepared a high quality single crystal with a millimeter size so far. Here, we have successfully synthesized a large single crystal sized up to {"}millimeter (∼5×5 mm2){"} using the Bismuth self-flux method. And we also found its giant anisotropy transport behavior in Bi2TeI of a 2D TI constructed from nontrivial Bi bilayers (Quantum Spin Hall phase) capped by a trivial Te-Bi-I layer.",

keywords = "A1. Characterization, A1. Low dimensional structures, A2. Single crystal growth, B1. Inorganic compounds",

author = "Gihun Ryu and Kwanghyo Son and Gisela Sch{\"u}tz",

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doi = "10.1016/j.jcrysgro.2016.01.018",

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T1 - Growth and characterization of large weak topological insulator Bi2TeI single crystal by Bismuth self-flux method

AU - Ryu, Gihun

AU - Son, Kwanghyo

AU - Schütz, Gisela

PY - 2016/4/15

Y1 - 2016/4/15

N2 - Two dimensional (2D) topological insulators (TIs) with a quantum spin Hall (QSH) effect feature edge states (ESs) that are topologically protected from backscattering. Bi2TeI with 2D Bismuth bilayer is one of the representative compounds of weak topological insulator. However, nobody has prepared a high quality single crystal with a millimeter size so far. Here, we have successfully synthesized a large single crystal sized up to "millimeter (∼5×5 mm2)" using the Bismuth self-flux method. And we also found its giant anisotropy transport behavior in Bi2TeI of a 2D TI constructed from nontrivial Bi bilayers (Quantum Spin Hall phase) capped by a trivial Te-Bi-I layer.

AB - Two dimensional (2D) topological insulators (TIs) with a quantum spin Hall (QSH) effect feature edge states (ESs) that are topologically protected from backscattering. Bi2TeI with 2D Bismuth bilayer is one of the representative compounds of weak topological insulator. However, nobody has prepared a high quality single crystal with a millimeter size so far. Here, we have successfully synthesized a large single crystal sized up to "millimeter (∼5×5 mm2)" using the Bismuth self-flux method. And we also found its giant anisotropy transport behavior in Bi2TeI of a 2D TI constructed from nontrivial Bi bilayers (Quantum Spin Hall phase) capped by a trivial Te-Bi-I layer.

KW - A1. Characterization

KW - A1. Low dimensional structures

KW - A2. Single crystal growth

KW - B1. Inorganic compounds

UR - https://www.scopus.com/pages/publications/84958019659

U2 - 10.1016/j.jcrysgro.2016.01.018

DO - 10.1016/j.jcrysgro.2016.01.018

M3 - Article

AN - SCOPUS:84958019659

SN - 0022-0248

VL - 440

SP - 26

EP - 30

JO - Journal of Crystal Growth

JF - Journal of Crystal Growth

ER -

Growth and characterization of large weak topological insulator Bi₂TeI single crystal by Bismuth self-flux method

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Keywords

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