Results 81 to 90 of about 2,364 (190)

Electrical contact uniformity and surface oxidation of ternary chalcogenide alloys

open access: yesAIP Advances, 2019
Uniform metal contacts are critical for advanced thermoelectric devices. The uniformity of the contact resistance for gold, tungsten, and SrRuO3 electrodes on polycrystalline ternary Bi2Te3-based alloys for different types of surface cleaning procedures ...
P. A. Sharma   +9 more
doaj   +1 more source

Flexibilizing inorganic thermoelectrics

open access: yesFlexMat, EarlyView.
This perspective reviews advances in flexible inorganic thermoelectric materials, covering ductile bulks, thin films, and fibers/yarns. It highlights strategies like warm metalworking, van der Waals material screening, orientation and sandwich engineering, and device integration, offering pathways to combine flexibility and performance for wearable ...
Xiao‐Lei Shi   +3 more
wiley   +1 more source

Two‐step annealing process drives high thermoelectric performance of n‐type Bi2Te3 flexible films

open access: yesResponsive Materials, EarlyView.
To address the relatively low carrier mobility in n‐type Bi2Te3 films prepared by magnetron sputtering, we developed a two‐step annealing process, including in situ and post‐annealing heat treatment. This method yields a high mobility (132.54 cm2 V−1 s−1) and S2σ (14.5 μW cm−1 K−2) by promoting pronounced grain growth and strengthening the preferred ...
Liang‐Cao Yin   +11 more
wiley   +1 more source

A Generalized Automated Framework for Thermal Characterization: From Bulk Materials to Complex Heterostructures

open access: yesSmall, EarlyView.
An automated MATLAB framework for inverse photoacoustic analysis enables precise thermal characterization of complex multilayer films. Application to electrodeposited CuxSe reveals a stoichiometry‐dependent thermal conductivity governed by lattice anharmonicity, not grain‐size scattering, in these superionic materials. ABSTRACT Precise determination of
Miguel Ángel Tenaguillo   +4 more
wiley   +1 more source

Effect of Annealing on Virgin and Recycled Carbon Fibre Electrochemically-Deposited with N-type Bismuth Telluride

open access: yesChemical Engineering Transactions, 2015
N-type thermoelectric bismuth telluride (Bi2Te3) was deposited on virgin carbon fibre (VCF) and recycled carbon fibre (RCF) substrates by electro-deposition.
P.R. Jagadish   +3 more
doaj   +1 more source

Spongy Bi2Te3

open access: yes, 2019
Trabajo presentado en el European Materials Research Society (EMRS), celebrado en Niza (Francia), del 27 al 31 de mayo de ...
Caballero-Calero, Olga   +3 more
openaire   +1 more source

Superconductivity in textured Bi clusters/Bi2Te3 films

open access: yesAPL Materials, 2014
We report superconductivity at an onset critical temperature below 3.1 K in topological insulator ∼200-nm-thick Bi2Te3 thin films grown by pulsed laser deposition.
Phuoc Huu Le   +5 more
doaj   +1 more source

Characterization of Bulk Nanostructural Bi2Te3-based Material Prepared by Microwave-solvothermal Synthesis and Hot Isostatic Pressure [PDF]

open access: yesЖурнал нано- та електронної фізики, 2014
The bulk nanostructural Bi2Te3-based material was prepared by microwave assisted solvothermal method and hot isostatic pressure. Optimal synthesis conditions of the Bi2Te3 nanopowder were found.
O.N. Ivanov   +2 more
doaj  

Ultrahigh Power Factor of Sputtered Nanocrystalline N‐Type Bi2Te3 Thin Film via Vacancy Defect Modulation and Ti Additives

open access: yesAdvanced Science
Magnetron‐sputtered thermoelectric thin films have the potential for reproducibility and scalability. However, lattice mismatch during sputtering can lead to increased defects in the epitaxial layer, which poses a significant challenge to improving their
Tingrui Gong   +8 more
doaj   +1 more source

Defect Engineering in van der Waals Layer‐Structured Bi2Te3‐Based Materials

open access: yescMat
Bi2Te3‐based materials are widely utilised in various applications, including biosensors, photocatalysts, photodetectors, and thermoelectrics, due to their unique electrical, thermal, and mechanical properties.
Si‐Qi Liu   +5 more
doaj   +1 more source

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