Search Results for "Field Emission Property Heterostructures"
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Positron Emission Tomography (PET) is a scanning technique that uses an MRI scanner and radioactive substances that are injected into the blood stream to obtain detailed images of the brain that rel...
Singlephoton emission CT SPECT
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Layer thickness dependence of the current-induced effective field vector in Ta|CoFeB|MgO
The control and manipulation of the magnetization of thin metallic films by means of an electric current is a promising strategy for ensuring potential spintronic applications are energy efficient. It...
Large spontaneous emission enhancement in plasmonic nanocavities
Researchers demonstrate spontaneous emission enhancements approaching 1,000 for emitters coupled to the gap between a metal wire and a metal substrate. The enhanced emission rate of plasmons in the st...
New class of materials discovered; could boost computer memory
An international team of scientists has discovered a new class of materials that could prove to be useful in developing new methods of creating computer memory. The research team explored layered hete...
Conversion of broadband to narrowband thermal emission through energy recycling
By constructing a thermal emission control device based on a multiple-quantum-well layer embedded in a two-dimensional photonic crystal, researchers demonstrate that they can convert a broadband therm...
A ferroelectric tunnelling heterostructure is presented in which both the height and the width of the tunnelling barrier can be electrically modulated, leading to a greatly enhanced tunnelling electro...
Graphene has attracted considerable interest for future electronics, but the absence of a bandgap limits its direct applicability in transistors and logic devices. It is now shown that vertical integr...
Japan’s Pharmaceuticals Companies Struggling To Meet CO2 Emission Targets
Japanese pharmaceuticals will struggle to meet the carbon dioxide emission targets set at the end of this fiscal year, according to a report from the JPMA’s Environment and Safety Committee meeting...
New property of flames sparks advances in technology
Chemists at the University College London have discovered a new property of flames, which allows them to control reactions at a solid surface in a flame and opens up a whole new field of chemical inno...
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Enhanced Field-Emission from SnO(2):WO(2.72) Nanowire Heterostructures.
The field-emission properties of SnO(2):WO(2.72) hierarchical nanowire heterostructure have been investigated. Nanoheterostructure consisting of SnO(2) nanowires as stem and WO(2.72) nanothorns as bra...
The elastic and piezoelectric properties of zincblende and wurtzite crystalline InAs/InP nanowire heterostructures have been studied using electro-elastically coupled continuum elasticity theory. A co...
We report on the achievement of, for the first time, InN/InGaN core/shell nanowire heterostructures, which are grown directly on Si(111) substrates by plasma-assisted molecular beam epitaxy. The cryst...
Field emission properties of CuAlO(2) nanoparticles are reported for the first time, with a low turn-on field of approximately 2 V µm( - 1) and field enhancement factor around 230. The field emissi...
Highly Emissive Nano Rod-in-Rod Heterostructures with Strong Linear Polarization.
We report the synthesis of CdSe/CdS rod in rod core/shell heterostructures. These rods, synthesized using a seeded-growth approach, show narrow distributions of rod diameters and lengths and exhibit h...
