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A model system created by stacking a pair of monolayer semiconductors is giving physicists a simpler way to study confounding quantum behavior, from heavy fermions to exotic quantum phase transitions.
Injecting Electrons Jolts 2-D Structure Into New Atomic Pattern（图）
Injecting Electrons Jolts 2-D Structure New Atomic Pattern
2017/10/25
The same electrostatic charge that can make hair stand on end and attach balloons to clothing could be an efficient way to drive atomically thin electronic memory devices of the future, according to a...
A Sea of Spinning Electrons（图）
Sea Spinning Electrons
2017/10/25
Picture two schools of fish swimming in clockwise and counterclockwise circles. It’s enough to make your head spin, and now scientists at Rutgers University-New Brunswick and the University of Florida...
Device to control 'color' of electrons in graphene path to future electronics
control 'color' electrons graphene future electronics
2016/9/12
A device made of bilayer graphene, an atomically thin hexagonal arrangement of carbon atoms, provides experimental proof of the ability to control the momentum of electrons and offers a path to electr...
Nanotechnology aids in cooling electrons without external sources
external sources cooling electrons Nanotechnology aids
2014/9/12
A team of researchers has discovered a way to cool electrons to -228 °C without external means and at room temperature, an advancement that could enable electronic devices to function with very little...
Radiation Damage of F8 Lead Glass with 20 MeV Electrons
lead glass electromagnetic calorimeter radiation damage
2011/8/4
Abstract: Using a 20 MeV linear accelerator, we investigate the effects of electromagnetic radiation on the optical transparency of F8 lead glass. Specifically, we measure the change in attenuation le...
Identification of the slow E3 transition 136mCs -> 136Cs with conversion electrons
E3 136mCs 136Cs conversion electrons
2011/7/21
We performed at ISOLDE the spectroscopy of the decay of the 8- isomer in 136Cs by and conversion-electron detection. For the first time the excitation energy of the isomer and the multipolarity of its...
Physicists in the US say that they have taken an important step forward in the race to build solar cells that are both cheap and highly efficient. They have managed for the first time to tap some of t...
Initiatory Electrons in Compressed Gases in Positive Polarity
Electrical breakdown seed electron breakdown probability
2009/7/28
This paper deals with the nature of seed electron sources in compressed N2 for positive polarity. We present an experimental procedure that provides evidence of the fact that collisional detachment fr...
Generation of High Energy Electrons from Gasjet Target Irradiated by 10 TW Ti:Sapphire Laser
CPA Laser Laser acceleration Laser-plasma interaction
2009/6/15
A commercial base 1.5 TW Ti:Sapphire laser system was improved to be 10 TW one. By improving a design of a chirped plse-amplification of 1.5 TW system, the pulse width was shortened from 100 fs to 40 ...
Plasma Devices to Control Energetic Electrons Produced by Ultra-intense Lasers
Plasma device Cone Plasma fiber
2009/6/1
Several plasma devices to control energetic electrons produced by ultra-intense lasers are studied. Cone targets guide the lasers and electrons, and enhance the generation of energetic electrons conse...
Effects of Double Delta Doping on Millimeter and Sub-millimeter Wave Response of Two-Dimensional Hot Electrons in GaAs Nanostructures
Carrier mobility Delta doping Hot carriers Quantum wells
2010/2/2
Carrier mobility has become the most important
characteristic of high speed low dimensional devices. Due to
development of very fast switching semiconductor devices, speed of
computer and communica...
Investigation of collisions between electrons and excited atoms of potassium, rubidium and caesium
electron–atom collisions
2011/5/3
Results of measurements of the rate constants for electron impact induced transitions between selected levels of potassium (4P–6P), rubidium (5P–7P) and caesium (6P–8P and 6P–9P) are presented. The ex...
Decontamination of Dry Food Ingredients and Seeds with “Soft-Electrons” (Low-Energy Electrons)
dehydrated vegetable seed decontamination, electron
2010/11/23
Electrons with energies of 300 keV or lower (soft-electrons) reduced microbial loads of grains, pulses, spices, dehydrated vegetables and seeds to levels lower than 10 CFU/g. The viscosity of gelatini...
Geometry Induced Localization of Electrons in Quantum Pillars
Geometry Electrons Quantum Pillars
2010/12/10
We investigate the energies and wavefunctions of a structure consisting of one small cubic box centered on top of another larger with a uniform potential inside. This model is a representation of a qu...