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Carbon coating on metal oxide materials for electrochemical energy storage

During the past decades, nano-structured metal oxide electrode materials have received growing attention due to their low development cost and high theoretical specific capacity, accordingly, quite a lot of metal oxide electrode materials are being used in electrochemical energy storage devices. However, the further development was limited...

Ising pairing in atomically thin superconductors

Ising-type pairing in atomically thin superconducting materials has emerged as a novel means of generating devices with resilience to a magnetic field applied parallel to the two-dimensional (2D) plane. In this mini-review, we canvas the state of the field by giving a historical account of 2D superconductors with strongly enhanced in-plane...

Real-time transport kinetics of drug encapsulated nanoparticles into apoptotic cancer cells inside microchannels

Development of nanocomposites as drug delivery vectors is a burgeoning field of research. However, the usage of such newly invented nanomatrices are often limited by the shortcomings associated with the testing of their real-life efficacy. Many drugs fail because a monolayer framework of in vitro cell line screening method does not adequately...

C 60 -encapsulated TiO 2 nanoparticles for selective and ultrahigh sensitive detection of formaldehyde

The current study concerns development of fullerene-C 60 -encapsulated TiO 2 nanoparticles hybrid for an efficient detection of volatile organic compounds (VOCs). The nanocomposite was synthesized via chemical route by using hydrated fullerene-C 60 and sol-gel derived undoped p -type TiO 2 nanoparticles. The nanocomposite was characterized morphologically...

Constrained shrinking of nanoimprinted pre-stressed polymer films to achieve programmable, high-resolution, miniaturized nanopatterns

Nanoimprint lithography is an emerging technology to form patterns and features in the nanoscale. Production of nanoscale patterns is challenging particularly in the sub-50 nm range. Pre-stressed polymer films with embedded microscale pattern can be miniaturized by shrinking induced due to thermal stress release. However, when pre-stressed films...

Weyl semimetal orthorhombic Td-WTe 2 as an electrode material for sodium- and potassium-ion batteries

Alkali metals such as sodium and potassium have become promising candidates for the next generation of monovalent-ion batteries. However, a challenge for these battery technologies lies in the development of electrode materials that deliver high capacity and stable performance even at high cycling currents. Here we study orthorhombic tungsten...

Ferroelectric field-effect transistors based on HfO 2 : a review

In this article, we review the recent progress of ferroelectric field-effect transistors (FeFETs) based on ferroelectric hafnium oxide (HfO 2 ), ten years after the first report on such a device. With a focus on the use of FeFET for nonvolatile memory application, we discuss its basic operation principles, switching mechanisms, device types, material...

A voltage-pulse-modulated giant magnetoresistance switch with four flexible sensing ranges

This article introduces an innovative technique for achieving a giant magnetoresistance (GMR) switch with an adjustable sensing field range. A spin-valve (SV) patterned into a strip shape is grown on a specific (110)-cut Pb(Mg 1/3 Nb 2/3 ) 0.7 Ti 0.3 O 3 (PMN-PT) substrate. In the process of depositing films, a magnetic easy axis of the...

Novel Ni 2 P-microporous nickel phosphite supported on nitrogen-doped graphene composite electrocatalyst for efficient hydrogen evolution reaction

Transition metal phosphides are regarded as promising hydrogen evolution reaction (HER) electrocatalysts for water splitting. An efficient mass-transfer mechanism can be promoted through constructing microporous structures. In addition, introducing carbon materials as carriers to form interface interactions is beneficial for increasing electronic...

Bio-inspired graphene-based nano-systems for biomedical applications

The increasing demands of environmentally sustainable, affordable, and scalable materials have inspired researchers to explore greener nanosystems of unique properties which can enhance the performance of existing systems. Such nanosystems, extracted from nature, are state-of-art high-performance nanostructures due to intrinsic hierarchical micro/nanoscale...

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