Results 11 to 20 of about 6,758 (243)

Cathodoluminescence and tip-plasmon resonance of Bi2Te3 triangular nanostructures.

PLoS ONE
Bi2Te3, as a topological insulator, is able to support plasmonic emission in the visible spectral range. Thin Bi2Te3 flakes can be exfoliated directly from a Bi2Te3 crystal, and the shape of Bi2Te3 flakes can be further modified by focused ion beam ...
Qigeng Yan, Siyuan Wang, Kuiwen Guan, Xiaojin Guan, Lei He   +4 more
doaj   +2 more sources

Investigation of Bi2Te3-Bi2Te3-xSx structures by photovoltage measurements

, 2002
The single-crystal structure of Bi2Te3 -Bi2Te3-xSx with a p-n junction was prepared by the heat treatment of p -Bi2Te3 in sulphur vapors.This structure was characterized by the measurement of the photovoltaic effect. The dependence of the photovoltage at 77 K on the wavelenght shows two speaks at 2.8 um (=0.44 eV) and at 1.9 um (=0.65 eV).
Lošťák, Petr, Drašar, Čestmír, Toušek, Jiří, Prokeš, Jan   +3 more
core   +3 more sources

Growth and surface potential characterization of Bi2Te3 nanoplates

AIP Advances, 2012
Topological insulator Bi2Te3 nanoplates with hexagonal, triangular and truncated triangular nanostructures have been fabricated with thickness of ∼10 nm by vacuum vapor phase deposition method.
Guolin Hao, Xiang Qi, Liwen Yang, Yundan Liu, Jun Li, Long Ren, Fu Sun, Jianxin Zhong   +7 more
doaj   +2 more sources

Flat Bands Induced by Non-Collinear Antiferromagnetism in CoBi₂Te₄. [PDF]

Adv Sci (Weinh)
Flat bands emerge at the edges of intrinsically non‐collinear antiferromagnetic CoBi2Te4 two‐septuple layers through the interplay of spin–orbit coupling–driven band inversion and non‐collinear antiferromagnetism, uncovering a previously unexplored mechanism for flat‐band formation and opening new opportunities for strongly correlated quantum states ...
Zhao Z, Yin Y, Gu J, Edmonds MT, Medhekar NV.   +4 more
europepmc   +2 more sources

Solvothermally silver doping boosting the thermoelectric performance of polycrystalline Bi2Te3 [PDF]

, 2023
Bismuth telluride (Bi2Te3) is one of the most promising thermoelectric materials for commercial application at room temperature, but the thermoelectric performance of these materials still needs to be improved.
Shi, Xiao-Lei, Chen, Wen-Yi, Li, Meng, Yang, Qishuo, Chen, Zhi-Gang, Yuanqing Mao, Wanyu Lyu, Shuai Sun, Cao, Tianyi, Wen-Yi Chen, Tianyi Cao, Jin Zou, Weidi Liu, Zhi-Gang Chen, Zou, Jin, Liu, Ting, Matthew Dargusch, Hu, Boxuan, Ting Liu, Xiao-Lei Shi, Dargusch, Matthew, Sun, Shuai, Lyu, Wanyu, Mao, Yuanqing, Boxuan Hu, Qishuo Yang, Meng Li, Liu, Weidi   +27 more
core   +1 more source

Understanding secondary phase inclusion and composition variations in the microstructure design of n-type Bi2Te3 alloys via selective dissolution of KCl

Journal of Advanced Ceramics, 2023
This study investigated the effects of KCl treatment on microstructure and thermoelectric properties of n-type Bi2Te2.7Se0.3 (BTS) thermoelectric materials.
Gwang Min Park, Seunghyeok Lee, Jun-Yun Kang, Seung-Hyub Baek, Heesuk Kim, Jin-Sang Kim, Seong Keun Kim   +6 more
doaj   +1 more source

Dependence of Structure and Optical Characterization of (Bi2Te3) Films Prepared by Flash Evaporation on Annealing Temperatures [PDF]

Engineering and Technology Journal, 2014
In this study Bi2Te3 stoichiometry alloy was fabricated by using melting method in the electric furnce at temperature (580 0C for 6h). Thin films (Bi2Te3 ) were deposited by flash technique under vacuum 10-5 Torr .
Hussain Kh.Rasheed, Ghuson H .Mohamed, Khalil I. Inad   +2 more
doaj   +1 more source

Pr2Te3-Bi2Te3 SYSTEM

, 2022
By methods of differential-thermal, microstructural, X-ray phase analyzes and determination of microhardness, a diagram of the state of the section Pr2 Te3-Bi2Te3 was constructed. It is shown that the cut is quasi-binary; a ternary compound PrViTe3 is formed.
Mammadova, S.H., Sadigov, F.M., Mustafayeva, K.Z., Ismailov, Z.I.   +3 more
openaire   +2 more sources

Study of Ho-doped Bi2Te3 topological insulator thin films [PDF]

, 2015
This publication arises from research funded by the John Fell Oxford University Press (OUP) Research Fund and the Research Complex at Harwell is acknowledged for their hospitality. This work was supported by a DARPA MESO project (No. N66001-11-1-4105). S.
Collins-McIntyre, Liam James, S. L. Zhang, Parkin, S.S.P., Baker, A. A., Parkin, S. S. P., Chen, Y. L., A. I. Figueroa, Figueroa, A. I., Hesjedal, Thorsten, Pushp, A., Harris, J.S., Hesjedal, T., Zhang, S. L., Harris, J. S., van der Laan, G., A. Pushp, S. E. Harrison, Kellock, A.J.., A. J. Kellock, G. van der Laan, Collins-McIntyre, Liam J., Chen, Y.L., T. Hesjedal, Baker, Alexander A., Y. L. Chen, Harrison, S. E., L. J. Collins-McIntyre, Kellock, A. J., J. S. Harris, Figueroa, A.I., S. S. P. Parkin, Zhang, Shilei, A. A. Baker, Harrison, S.E.   +33 more
core   +1 more source

Simultaneously optimized thermoelectric performance of n-type Cu2Se alloyed Bi2Te3

, 2021
To achieve the optimized performance and the widespread application of thermoelectric materials, it is crucial to decouple the highly interrelated thermoelectric parameters of materials.
Dali Zhou, Qiang Sun, Bao, Deyu, Wei-Di Liu, Jie Chen, Sun, Qiang, Jun Tang, Dargusch, Matthew S., Can Liu, Chen, Jie, Liu, Can, Chen, Zhi-Gang, Zhou, Dali, Deyu Bao, Yang, Lei, Matthew S. Dargusch, Liu, Wei-Di, Lei Yang, Zhi-Gang Chen, Tang, Jun   +19 more
core   +1 more source