39 hasil untuk "Li-Dong Zhao"
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Artikel Jurnal
Origin of off-centering effect and the influence on heat transport in thermoelectrics
Recently, off-centering behavior has been discovered in a series of thermoelectric materials. This behavior indicates that the constituent atoms of the lattice displace from their coordination centers, leading to the locally distorted state and local symmetry breaking, while the material still…
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Artikel Jurnal
Slowing down the heat in thermoelectrics
Abstract Heat transport has various applications in solid materials. In particular, the thermoelectric technology provides an alternative approach to traditional methods for waste heat recovery and solid‐state refrigeration by enabling direct and reversible conversion between heat and electricity…
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Artikel Jurnal
Estimation of the potential performance in p-type SnSe crystals through evaluating weighted mobility and effective mass
It has been proved that the thermoelectric performance of p-type SnSe crystals can be optimized through enhancing carrier concentration. The calculations of electronic band structure elucidate that this approach can be interpreted by including multiple valence bands. To better estimate the…
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Artikel Jurnal
Carrier mobility does matter for enhancing thermoelectric performance
Excellent thermoelectric materials need both high carrier transport properties and low phonon transport properties simultaneously, which make it challenging to enhance thermoelectric performance. However, recent progress shows that sub-nanostructures can strongly intensify phonon scattering but…
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Artikel Jurnal Teks lengkap
Network Microburst Traffic Measurement Method Based on Sketch Data Structure
Microburst traffic is a common type of traffic in data center network,which grows rapidly in a very short period of time,and has serious effect on network performance and is difficult to detect.Existing microburst traffic detection methods cannot take into account both fine-grained detection and…
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Artikel Jurnal
Lattice dynamics and thermoelectric properties of diamondoid materials
Abstract The diamondoid compounds are a large family of important semiconductors, which possess various unique transport properties and had been widely investigated in the fields of photoelectricity and nonlinear optics. For a significantly long period of time, diamondoid materials were not given…
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Artikel Jurnal
Dynamic carrier transports and low thermal conductivity in n‐type layered InSe thermoelectrics
Abstract Semiconductor InSe with wide bandgap and layered crystal structure is expected to be a promising thermoelectric material, and its excellent plasticity brings great potential applications in flexible and wearable thermoelectric devices. To advance its thermoelectric performance, this work…
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Artikel Jurnal
High thermoelectric figure of merit ZT > 1 in SnS polycrystals
Eco-friendly tin sulfide (SnS) has attracted increasing attention in the thermoelectric community because of its elemental abundance and analogous crystal structure to SnSe as a new thermoelectric material. However, so far no high dimensionless thermoelectric figure of merit ZT > 1 was reported in…
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Artikel Jurnal
Magnetics for Thermoelectric Enhancement
Thermoelectrics (TEs) possess the ability to directly convert heat into electricity and vice versa, making them highly promising for applications in power generation and solid-state cooling. Optimizing the transport properties is crucial for TE technology, in which magnetism has provided a new…
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Artikel Jurnal
A promising thermoelectrics In4SnSe4 with a wide bandgap and cubic structure composited by layered SnSe and In4Se3
The wide-bandgap cubic-structure semiconductor In4SnSe4 can be regarded as a product of compositing two typical layered thermoelectric materials SnSe and In4Se3. Remarkably, In4SnSe4 inherited low thermal conductivity from its parent materials. To advance the potential thermoelectric property of…
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Artikel Jurnal Teks lengkap
Research Progress of Metabolomics Techniques Combined with Machine Learning Algorithm in Wound Age Estimation
Wound age estimation is the core content in the practice of forensic medicine. Accurate estimation of wound age is a scientific question that needs to be urgently solved by forensic scientists at home and abroad. Metabolomics techniques can effectively detect endogenous metabolites produced by…
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Artikel Jurnal
Contrasting Thermoelectric Transport Behaviors of p-Type PbS Caused by Doping Alkali Metals (Li and Na)
…transport properties of p-type PbS by doping alkali metals (Na and Li) are investigated and it is verified that Li is a more effective dopant than Na. By introducing Li, the electrical and thermal transport properties were optimized collectively. The electrical transport properties were boosted…
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Artikel Jurnal Teks lengkap
Investigations into the Surface Strain/Stress State in a Single-Crystal Superalloy via XRD Characterization
The present study was aimed at determining the surface strain/stress state in an Ni-based single-crystal (SC) superalloy that was subjected to two different cooling rates from solid solution temperature through using the X-ray diffraction (XRD) method. The normal stresses σ 11 s and σ 22 s were…
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Artikel Jurnal
Dense dislocations enable high-performance PbSe thermoelectric at low-medium temperatures
Thermoelectric material is capable of realizing direct conversion between heat and electricity. Here, the authors obtain high thermoelectric performance in PbSe at low-medium temperatures by importing dense dislocations.
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Artikel Jurnal
Controlled doping and growth of SnSe thin films via pulsed laser deposition
SnSe has received significant attention due to its exceptional optoelectronic and thermoelectric properties, making it a promising candidate for energy conversion applications. To exploit its potential for photo-thermoelectric applications, it is essential to prepare high-quality SnSe…
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Artikel Jurnal
Realizing High Performance in P‐Type SnBi2Te4 Through Synergistically Improving Effective Mass and Suppressing Bipolar Thermal Conductivity
Abstract Thermoelectric materials, which facilitate the mutual conversion between thermal and electrical energy, offer a promising alternative for sustainable energy solutions. High‐performance thermoelectric materials require excellent electrical conductivity and low thermal conductivity. Among…
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Artikel Jurnal
Lattice expansion enables interstitial doping to achieve a high average ZT in n‐type PbS
Abstract Lead sulfide (PbS) presents large potential in thermoelectric application due to its earth‐abundant S element. However, its inferior average ZT (ZTave) value makes PbS less competitive with its analogs PbTe and PbSe. To promote its thermoelectric performance, this study implements…
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Artikel Jurnal
Enhancing thermoelectric performance of n-type AgBi3S5 through synergistically optimizing the effective mass and carrier mobility
AgBi3S5 is a new n-type thermoelectric material that is environmentally friendly and composed of elements of earth-abundant, non-toxic and high performance-cost ratio. This compound features an intrinsically low thermal conductivity derived from its complex monoclinic structure. However, the…