High electrical conductivity in out of plane direction of electrodeposited Bi 2 Te 3 films
Abstract
The out of plane electrical conductivity of highly anisotropic Bi2Te3 films grown via electro-deposition process was determined using four probe current-voltage measurements performed on 4.6 - 7.2 μm thickness Bi2Te3 mesa structures with 80 - 120 μm diameters sandwiched between metallic film electrodes. A three-dimensional finite element model was used to predict the electric field distribution in the measured structures and take into account the non-uniform distribution of the current in the electrodes in the vicinity of the probes. The finite-element modeling shows that significant errors could arise in the measured film electrical conductivity if simpler one-dimensional models are employed. In conclusion, a high electrical conductivity of (3.2 ± 0.4) · 105S/m is reported along the out of plane direction for Bi2Te3 films highly oriented in the [1 1 0] direction.
- Authors:
- Publication Date:
- Research Org.:
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1210110
- Alternate Identifier(s):
- OSTI ID: 1420650; OSTI ID: 1459182
- Grant/Contract Number:
- SC0001299
- Resource Type:
- Journal Article: Published Article
- Journal Name:
- AIP Advances
- Additional Journal Information:
- Journal Name: AIP Advances Journal Volume: 5 Journal Issue: 8; Journal ID: ISSN 2158-3226
- Publisher:
- American Institute of Physics
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Rojo, Miguel Muñoz, Manzano, Cristina V., Granados, Daniel, Osorio, M. R., Borca-Tasciuc, Theodorian, and Martín-González, Marisol. High electrical conductivity in out of plane direction of electrodeposited Bi 2 Te 3 films. United States: N. p., 2015.
Web. doi:10.1063/1.4928863.
Rojo, Miguel Muñoz, Manzano, Cristina V., Granados, Daniel, Osorio, M. R., Borca-Tasciuc, Theodorian, & Martín-González, Marisol. High electrical conductivity in out of plane direction of electrodeposited Bi 2 Te 3 films. United States. https://doi.org/10.1063/1.4928863
Rojo, Miguel Muñoz, Manzano, Cristina V., Granados, Daniel, Osorio, M. R., Borca-Tasciuc, Theodorian, and Martín-González, Marisol. 2015.
"High electrical conductivity in out of plane direction of electrodeposited Bi 2 Te 3 films". United States. https://doi.org/10.1063/1.4928863.
@article{osti_1210110,
title = {High electrical conductivity in out of plane direction of electrodeposited Bi 2 Te 3 films},
author = {Rojo, Miguel Muñoz and Manzano, Cristina V. and Granados, Daniel and Osorio, M. R. and Borca-Tasciuc, Theodorian and Martín-González, Marisol},
abstractNote = {The out of plane electrical conductivity of highly anisotropic Bi2Te3 films grown via electro-deposition process was determined using four probe current-voltage measurements performed on 4.6 - 7.2 μm thickness Bi2Te3 mesa structures with 80 - 120 μm diameters sandwiched between metallic film electrodes. A three-dimensional finite element model was used to predict the electric field distribution in the measured structures and take into account the non-uniform distribution of the current in the electrodes in the vicinity of the probes. The finite-element modeling shows that significant errors could arise in the measured film electrical conductivity if simpler one-dimensional models are employed. In conclusion, a high electrical conductivity of (3.2 ± 0.4) · 105S/m is reported along the out of plane direction for Bi2Te3 films highly oriented in the [1 1 0] direction.},
doi = {10.1063/1.4928863},
url = {https://www.osti.gov/biblio/1210110},
journal = {AIP Advances},
issn = {2158-3226},
number = 8,
volume = 5,
place = {United States},
year = {Sat Aug 01 00:00:00 EDT 2015},
month = {Sat Aug 01 00:00:00 EDT 2015}
}
Web of Science
Figures / Tables:
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