Results 21 to 30 of about 8,395 (219)

Properties of Nanostructure Bismuth Telluride Thin Films Using Thermal Evaporation

Journal of Nanotechnology, 2017
Bismuth telluride has high thermoelectric performance at room temperature; in present work, various nanostructure thin films of bismuth telluride were fabricated on silicon substrates at room temperature using thermal evaporation method.
Swati Arora, Vivek Jaimini, Subodh Srivastava, Y. K. Vijay   +3 more
doaj   +1 more source

Topological Insulators with Inversion Symmetry [PDF]

, 2007
Topological insulators are materials with a bulk excitation gap generated by the spin orbit interaction, and which are different from conventional insulators.
B. A. Volkov, B. A. Volkov, C. L. Kane, D. Boyanovsky, E. I. Blount, G. Nimtz, H. Nielssen, I. A. Tsidikovski, Liang Fu, R. B. Laughlin, R. Dornhaus   +10 more
core   +4 more sources

Nanoscale $\beta$-Nuclear Magnetic Resonance Depth Imaging of Topological Insulators [PDF]

, 2015
Considerable evidence suggests that variations in the properties of topological insulators (TIs) at the nanoscale and at interfaces can strongly affect the physics of topological materials.
Bouchard, Louis-S., Fiete, Gregory A., He, Liang, Hossain, Masrur D., Kanatzidis, Mercouri G., King Jr, Danny, Kou, Xufeng, Koumoulis, Dimitrios, Morris, Gerald D., Wang, Dong, Wang, Kang L.   +10 more
core   +2 more sources

Effect of grain size on thermoelectric properties of n-type nanocrystalline bismuth-telluride based thin films [PDF]

, 2008
The effect of grain size on the thermoelectric properties of n-type nanocrystalline bismuth-telluridebased thin films is investigated. We prepare the nanocrystalline thin films with average grain sizesof 10, 27, and 60 nm by a flash-evaporation method ...
Kurosaki J, Miyazaki K, Nagai D, Takashiri M, Tanaka S, Tsukamoto H   +5 more
core   +2 more sources

Investigation of Bi2Te2.88Se0.12 bulk single crystal produced using Bridgman method [PDF]

Science of Sintering
As part of research on the influence of selenium as dopant on bismuth telluride, a successful synthesis of single crystal was carried out. Single crystal of p type conductivity, with the given compound formula, Bi2Te2.88Se0.12, was obtained by the ...
Požega Emina, Bernik Slavko, Marjanović Saša, Petrović Ana, Svrkota Igor, Stojić Anđela, Simonović Danijela   +6 more
doaj   +1 more source

Features of bismuth telluride based ternary alloys for thermoelectric applications [PDF]

E3S Web of Conferences, 2023
The presented article provides a comparative analysis of the methods of manufacturing technology for semiconductor branches of p- and n-type conductivity.
Diuldin Maksim, Kasimaxunova Anarkhan, Cheremisin Alexey, Latipova Mukhayyo, Tseiko Vitaly, Rud Sergey, Tseiko Leisan, Vatin Nikolay, Krasnoshchekov Viktor, Rud Vasily, Semenova Natalia   +10 more
doaj   +1 more source

The performance of a combined solar photovoltaic (PV) and thermoelectric generator (TEG) system [PDF]

, 2015
The performance of a combined solar photovoltaic (PV) and thermoelectric generator (TEG) system is examined using an analytical model for four different types of commercial PVs and a commercial bismuth telluride TEG.
Bjørk, R., Nielsen, K. K.
core   +2 more sources

Crystal Symmetry Breaking in Few-Quintuple Bismuth Telluride Films: Applications in Nanometrology of Topological Insulators

, 2010
We report results of micro-Raman spectroscopy investigation of the "graphene-like" mechanically exfoliated single-crystal bismuth telluride films with the thickness ranging from a few-nm-range to bulk limit.
Balandin, A. A., Hossain, M. Z., Shahil, K. M. F., Teweldebrhan, D.   +3 more
core   +1 more source

Thermoelectric properties of the bismuth telluride nanowires in the constant-relaxation-time approximation

, 2008
Electronic structure of bismuth telluride nanowires with the growth directions [110] and [015] is studied in the framework of anisotropic effective mass method using the parabolic band approximation. The components of the electron and hole effective mass
A. Zimmer, B. K. Ridley, B. M. Goltsman, B. R. Nag, C. H. Champness, E. Scholl, G. W. Hanson, H. J. Goldsmid, H. J. Goldsmid, I. Bejenari, J. M. Ziman, M. Lundstrom, M. S. Dresselhaus, N. I. Leporda, N. W. Ashcroft, V. A. Kutasov, V. A. Kutasov, V. A. Kutasov, V. Kantser   +18 more
core   +1 more source

Enhanced thermoelectric properties of bismuth telluride via Ultra-Low thermal conductivity BOSC compound addition

Results in Physics
This study aimed to enhance the thermoelectric properties of bismuth telluride by adding Bi4O4SeCl2 (BOSC). Commercial N-type bismuth telluride was mixed with BOSC powder in varying concentrations. As the BOSC content increased, the carrier concentration
Nattharika Theekhasuk, Nuttakrit Somdock, Athorn Voraud, Pichet Limsuwan, Rachsak Sakdanuphab, Aparporn Sakulkalavek   +5 more
doaj   +1 more source