Results 81 to 90 of about 29,657 (268)

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

open access: yesAdvanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades   +7 more
wiley   +1 more source

Optimising thermoelectric transport in n-type Bi1.8Sb0.2Te3 alloys via isovalent Y doping

open access: yesMaterials Research Express
This study explores the thermoelectric properties of isovalent Y-doped Bi _1.8− _x Y _x Sb _0.2 Te _3 at various doping levels ( x = 0.04, 0.08, 0.12) prepared using the solid-state reaction method.
G Poojitha   +6 more
doaj   +1 more source

Atomistic Mechanisms Triggered by Joule Heating Effects in Metallic Cu‐Bi Nanowires for Spintronics

open access: yesAdvanced Materials, EarlyView.
Bi doped metallic Cu nanowires are promising for spintronics thanks to the stabilization of a giant spin Hall effect. However, heat resulting from current injection forces Bi to leave solution, forcing segregation into monoatomic decorations which evolve into coherent crystalline aggregates.
Alejandra Guedeja‐Marrón   +6 more
wiley   +1 more source

Electrical conduction and thermal properties of Bi-doped Pr0.7Sr0.3MnO3 manganite

open access: yes, 2014
Electrical and thermal properties of Bi-doped Pr0.7Sr0.3MnO3 (PSMO) compounds are reported here. It is observed that Bi-doped PSMO compounds follow variable range conduction mechanism.
AWANA, V. P. S.   +5 more
core  

Effect of magnetic field on precipitation kinetics and shear strength of Sn58Bi-Ni solders

open access: yesMaterials & Design
Magnetic-field-assisted soldering offered a promising approach for achieving high-reliability interconnects in space applications. In this study, Sn58Bi solder and its composites doped with 0.6 wt% Ni nanoparticles (NPs) or microparticles (MPs) were ...
Chuan-jiang Wu   +5 more
doaj   +1 more source

3D Anodic Alumina Nanoarchitectures: A Decade of Progress from Foundational Science to Functional Metamaterials

open access: yesAdvanced Materials, EarlyView.
Ordered three‐dimensional anodic aluminum oxide (3D‐AAO) nanoarchitectures with longitudinal and transverse pores enable architecture‐driven metamaterials. The review maps fabrication advances, including hybrid pulse anodization, and shows how 3D‐AAO templates tailor properties across magnetism, energy, catalysis, and sensing.
Marisol Martín‐González
wiley   +1 more source

Microstructure and electrical properties of Y(NO3)3·6H2O-doped ZnO-Bi2O3-based varistor ceramics

open access: yes, 2011
Y(NO3)3·6H2O-doped ZnO-Bi2O3-based varistor ceramics were prepared using a solid reaction route. The microstructure, electrical properties, degradation coefficient(DV), and dielectric characteristics of varistor ceramics were studied in this paper.
Xu, D.(frank@ujs.edu.cn)   +10 more
core   +1 more source

Universal Conductance Fluctuations in Quantum Anomalous Hall Insulators

open access: yesAdvanced Materials, EarlyView.
Universal conductance fluctuations are observed in mesoscopic quantum anomalous Hall insulators. Two distinct fluctuation patterns are identified, arising from different interference processes of bulk and chiral edge states, respectively. These findings unveil rich quantum interference phenomena in quantum anomalous Hall insulators and provide insights
Peng Deng   +11 more
wiley   +1 more source

Flexible Ag2Se‐Based Thermoelectrics: Fundamentals, Processing, and Device Applications

open access: yesAdvanced Materials, EarlyView.
Ag2Se‐based thermoelectrics are reviewed from fundamental transport mechanisms to flexible device integration. Crystal structure, defect chemistry, and band features are correlated with performance optimization strategies and scalable fabrication routes.
Jie Qin   +5 more
wiley   +1 more source

Emerging applications of rare‐earth fluoride nanocrystals in medicine and biotechnologies

open access: yesResponsive Materials
Inorganic fluoride‐based compounds are present today as decisive components in many advanced technologies, including energy storage and conversion, dye‐sensitized solar cell, microphotonics, medicine, pharmaceuticals, etc.
Alain Tressaud   +3 more
doaj   +1 more source

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