Large magnetoresistance and Fermi surface study of Sb 2Se 2Te single crystal
Abstract
Here, we have studied the magnetotransport properties of a Sb 2Se 2Te single crystal. Magnetoresistance (MR) is maximum when the magnetic field is perpendicular to the sample surface and reaches a value of 1100% at B = 31 T with no sign of saturation. MR shows Shubnikov de Haas (SdH) oscillations above B = 15 T. The frequency spectrum of SdH oscillations consists of three distinct peaks at α = 32 T, β = 80 T, and γ = 117 T indicating the presence of three Fermi surface pockets. Among these frequencies, β is the prominent peak in the frequency spectrum of SdH oscillations measured at different tilt angles of the sample with respect to the magnetic field. From the angle dependence β and Berry phase calculations, we have confirmed the trivial topology of the β-pocket. The cyclotron masses of charge carriers, obtained by using the Lifshitz–Kosevich formula, are found to be m$$*\atop{β}$$= 0.16m o and m$$*\atop{γ}$$= 0.63m o for the β and γ bands, respectively. The Large MR of Sb 2Se 2Te is suitable for utilization in electronic instruments such as computer hard discs, high field magnetic sensors, and memory devices.
- Authors:
-
- Idaho National Lab. (INL), Idaho Falls, ID (United States)
- Bulgarian Academy of Sciences, Sofia (Bulgaria). Inst. of Optical Materials and Technology
- Florida State Univ., Tallahassee, FL (United States). National High Magnetic Field Lab.
- Univ. of Houston, Houston, TX (United States). Texas Center for Superconductivity (TCSUH) and Dept. of Physics
- Univ. of Houston, Houston, TX (United States). Texas Center for Superconductivity (TCSUH) and Dept. of Physics; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Publication Date:
- Research Org.:
- Idaho National Lab. (INL), Idaho Falls, ID (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; US Air Force Office of Scientific Research (AFOSR); T. L. L. Temple Foundation; Bulgaria National Science Fund (BNSF); National Science Foundation (NSF)
- OSTI Identifier:
- 1402685
- Report Number(s):
- INL/JOU-17-43482
Journal ID: ISSN 0021-8979
- Grant/Contract Number:
- AC07-05ID14517; FNI-T-02/26; DMR-1157490
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Journal of Applied Physics
- Additional Journal Information:
- Journal Volume: 122; Journal Issue: 12; Journal ID: ISSN 0021-8979
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Magnetoresistance; Quantum Oscillations; Topologic; electronic transport; electronic devices; magnetic ordering; cyclotrons; Fermi surface; geometric phases; quantum optics; spectra; sensors
Citation Formats
Shrestha, K., Marinova, V., Graf, D., Lorenz, B., and Chu, C. W. Large magnetoresistance and Fermi surface study of Sb2Se2Te single crystal. United States: N. p., 2017.
Web. doi:10.1063/1.4998575.
Shrestha, K., Marinova, V., Graf, D., Lorenz, B., & Chu, C. W. Large magnetoresistance and Fermi surface study of Sb2Se2Te single crystal. United States. https://doi.org/10.1063/1.4998575
Shrestha, K., Marinova, V., Graf, D., Lorenz, B., and Chu, C. W. Mon .
"Large magnetoresistance and Fermi surface study of Sb2Se2Te single crystal". United States. https://doi.org/10.1063/1.4998575. https://www.osti.gov/servlets/purl/1402685.
@article{osti_1402685,
title = {Large magnetoresistance and Fermi surface study of Sb2Se2Te single crystal},
author = {Shrestha, K. and Marinova, V. and Graf, D. and Lorenz, B. and Chu, C. W.},
abstractNote = {Here, we have studied the magnetotransport properties of a Sb2Se2Te single crystal. Magnetoresistance (MR) is maximum when the magnetic field is perpendicular to the sample surface and reaches a value of 1100% at B = 31 T with no sign of saturation. MR shows Shubnikov de Haas (SdH) oscillations above B = 15 T. The frequency spectrum of SdH oscillations consists of three distinct peaks at α = 32 T, β = 80 T, and γ = 117 T indicating the presence of three Fermi surface pockets. Among these frequencies, β is the prominent peak in the frequency spectrum of SdH oscillations measured at different tilt angles of the sample with respect to the magnetic field. From the angle dependence β and Berry phase calculations, we have confirmed the trivial topology of the β-pocket. The cyclotron masses of charge carriers, obtained by using the Lifshitz–Kosevich formula, are found to be m$*\atop{β}$= 0.16mo and m$*\atop{γ}$= 0.63mo for the β and γ bands, respectively. The Large MR of Sb2Se2Te is suitable for utilization in electronic instruments such as computer hard discs, high field magnetic sensors, and memory devices.},
doi = {10.1063/1.4998575},
url = {https://www.osti.gov/biblio/1402685},
journal = {Journal of Applied Physics},
issn = {0021-8979},
number = 12,
volume = 122,
place = {United States},
year = {2017},
month = {9}
}
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Works referencing / citing this record:
Evidence of a 2D Fermi surface due to surface states in a p -type metallic Bi 2 Te 3
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