Electronic Topological Transition as a Route to Improve Thermoelectric Performance in Bi0.5Sb1.5Te3
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202105709
Abstract: The electronic structure near the Fermi surface determines the electrical properties of the materials, which can be effectively tuned by external pressure. Bi0.5Sb1.5Te3 is a p‐type thermoelectric material which holds the record high figure of… read more here.
Keywords: 5sb1 5te3; topological transition; pressure; bi0 5sb1 ... See more keywords
Preparation and Characterization of Ni/Bi0.5Sb1.5Te3 Heterogeneous Multilayered Thermoelectric Materials
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Electronic Materials"
DOI: 10.1007/s11664-019-07745-y
Abstract: It is difficult to achieve coordinated optimization in thermoelectric materials due to the strong coupling between the electrical and thermal transport properties. However, interface effects, especially those caused by heterogeneous interfaces, are promising to overcome… read more here.
Keywords: bi0 5sb1; heterogeneous interfaces; 5sb1 5te3; thermoelectric materials ... See more keywords
Preparation and Enhanced Thermoelectric Properties of Cu/Bi0.5Sb1.5Te3 Composite Materials
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Electronic Materials"
DOI: 10.1007/s11664-020-08011-2
Abstract: The practical application of Bi2Te3 thermoelectric (TE) materials is constrained by their high orientation structure and limited service temperature range. In this work, non-textured Bi0.5Sb1.5Te3 (BST) TE materials were fabricated via a facile, low-cost, and… read more here.
Keywords: bi0 5sb1; temperature range; 5sb1 5te3; composite materials ... See more keywords
Hidden role of intrinsic Sb-rich nano-precipitates for high-performance Bi2-Sb Te3 thermoelectric alloys
Sign Up to like & getrecommendations! Published in 2021 at "Acta Materialia"
DOI: 10.1016/j.actamat.2021.117058
Abstract: Abstract Nanostructuring is a universal strategy to improve the figure of merit (zT) of thermoelectric (TE) materials by the substantial decrease of lattice thermal conductivity due to the intensive scattering of phonons at interfaces. However,… read more here.
Keywords: role; 5sb1 5te3; intrinsic rich; role intrinsic ... See more keywords
Simultaneously increased carrier concentration and mobility in p-type Bi0.5Sb1.5Te3 throng Cd doping
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.154625
Abstract: Abstract To improve the thermoelectric properties of a material, the carrier concentration needs to be optimized first. But the increase of carrier concentration usually results in degraded carrier mobility, which restricts the enhancement in thermoelectric… read more here.
Keywords: bi0 5sb1; carrier concentration; mobility; 5sb1 5te3 ... See more keywords
Atomic-resolution interfacial structures and diffusion kinetics in Gd/Bi0.5Sb1.5Te3 magnetocaloric/thermoelectric composites
Sign Up to like & getrecommendations! Published in 2020 at "Materials Characterization"
DOI: 10.1016/j.matchar.2020.110240
Abstract: Abstract The demand of a full solid-state cooling technology based on magnetocaloric and thermoelectric effects has led to a growing interest in screening candidate materials with high-efficiency cooling performance, which also stimulates the exploration of… read more here.
Keywords: bi0 5sb1; diffusion; magnetocaloric thermoelectric; 5sb1 5te3 ... See more keywords
Electrically motivated atomic migration and defect formation in Bi0.5Sb1.5Te3 compounds
Sign Up to like & getrecommendations! Published in 2018 at "Materials Chemistry and Physics"
DOI: 10.1016/j.matchemphys.2017.10.072
Abstract: Abstract Current-induced Ag migration behavior and defect formation mechanism in p-type Bi0.5Sb1.5Te3 (BST) compounds are investigated. By applying an electric current of 170 A/cm2 through a hot-pressed BST at 150 °C with one side attached to… read more here.
Keywords: bi0 5sb1; 5sb1 5te3; migration; defect formation ... See more keywords
Preparation and thermoelectric properties of ZnTe-doped Bi0.5Sb1.5Te3 single crystal
Sign Up to like & getrecommendations! Published in 2021 at "Materials Letters"
DOI: 10.1016/j.matlet.2021.129619
Abstract: Abstract In this work, Bi0.5Sb1.5Te3 single crystal doped with 6 mol% ZnTe was fabricated using a vertical Bridgman method. A region about 20 × 70 mm2 in dimensions along (0 0 1) cleavage plane is obtained. The as-grown crystal exhibits remarkable… read more here.
Keywords: 5sb1 5te3; single crystal; bi0 5sb1; preparation thermoelectric ... See more keywords
Enhancing thermoelectric performance of Cu-modified Bi0.5Sb1.5Te3 by electroless plating and annealing
Sign Up to like & getrecommendations! Published in 2018 at "Progress in Natural Science: Materials International"
DOI: 10.1016/j.pnsc.2018.02.007
Abstract: Abstract With the capacity of energy conversion from heat to electricity directly, thermoelectric materials have been considered as an alternative solution to global energy crisis. In this work, Cu modified Bi0.5Sb1.5Te3 (BST) composites are prepared… read more here.
Keywords: bi0 5sb1; 5sb1 5te3; modified bi0; electroless plating ... See more keywords
Crystal-like glassy structure in Sc doped BiSbTe ensuring excellent speed and power-efficiency in phase change memory.
Sign Up to like & getrecommendations! Published in 2020 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.0c00476
Abstract: Phase change memory (PCM) is regarded as a promising technology for storage- class memory and neuromorphic computing, owing to the excellent performances in operation speed, data retention, endurance, and the controllable crystallization dynamics, whereas the… read more here.
Keywords: speed; 5sb1 5te3; phase change; power ... See more keywords
Enhancement of Thermoelectric Performance in Bi0.5Sb1.5Te3 Particulate Composites Including Ferroelectric BaTiO3 Nanodots.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c10424
Abstract: An increasing number of studies have reported producing composite structures by combining thermoelectric and functional materials. However, combining energy filtering and ferroelectric polarization to enhance the dimensionless figure of merit thermoelectric ZT remains elusive. Here… read more here.
Keywords: 5sb1 5te3; ferroelectric batio3; enhancement thermoelectric; bi0 5sb1 ... See more keywords