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Quantum Dots, Solar Energy, Solar Cells, Renewable Energy

Ultrafast Measurements Explain Quantum Dot Voltage Drop


Solar cells and photodetectors could soon be made from new types of materials based on semiconductor quantum dots, thanks to new insights based on ultrafast measurements capturing real-time photoconversion processes.



HPC, supermassive black holes, Computing, Simulations, Code

Breaking the Supermassive Black Hole Speed Limit


A new computer simulation helps explain the existence of puzzling supermassive black holes observed in the early universe. The simulation is based on a computer code used to understand the coupling of radiation and certain materials.



Van Allen belts, Van Allen Probes mission, NASA, Space Radiation

Less Radiation in Inner Van Allen Belt Than Previously Believed


The inner Van Allen belt has less radiation than previously believed, according to a recent study in the Journal of Geophysical Research. Observations from NASA’s Van Allen probes show the fastest, most energetic electrons in the inner radiation belt are actually much rarer and harder to find than scientists expected. This is good news for spacecraft that are orbiting in the region and can be damaged by high levels of radiation.



Quantum Dots, Lasers, Technology, nanotechnnology, Chemistry, Materials

‘Flying Saucer’ Colloidal Quantum Dots Produce Brighter, Better Lasers


A multi-institutional team of researchers from Canada and the US has demonstrated steady state lasing with solution-processed nanoparticles called “colloidal quantum dots,” an important step on the path to improving laser tools for fiber optics, video projectors and more accurate medical testing technology. The work is reported today in a paper for the journal Nature.



IUPAC, Award, Chemistry, Engineering, Jaqueline L. Kiplinger

Jaqueline L. Kiplinger Receives the IUPAC 2017 Distinguished Women in Chemistry Award


Los Alamos National Laboratory Fellow Jaqueline Kiplinger was recognized this week with the International Union of Pure and Applied Chemistry (IUPAC) 2017 Distinguished Women in Chemistry or Chemical Engineering award. Kiplinger was one of 12 women recognized this year internationally and the only recipient of this honor from the United States.



Perovskite, perovskite solar cells, Solar, Energy, LED

Perovskite Edges Can Be Tuned for Optoelectronic Performance


In the eternal search for next generation high-efficiency solar cells and LEDs, scientists at Los Alamos National Laboratory and their partners are creating innovative 2D layered hybrid perovskites that allow greater freedom in designing and fabricating efficient optoelectronic devices. Industrial and consumer applications could include low cost solar cells, LEDs, laser diodes, detectors, and other nano-optoelectronic devices.



Plutonium, Oxidation, Chemisry, Element

Unexpected Oxidation State for Molecular Plutonium Discovered


Researchers at Los Alamos National Laboratory in collaboration with the University of California – Irvine (UCI) have uncovered a significant new chemical attribute of plutonium, the identification and structural verification of the +2 oxidation state in a molecular system.



Physics, Condensed Matter Theory, Economic, Frustration, Finances

Science Versus the ‘Horatio Alger Myth’

In a new study published today in the journal PLOS ONE, Los Alamos National Laboratory scientists have taken a condensed matter physics concept usually applied to the way substances such as ice freeze, called “frustration,” and applied it to a simple social network model of frustrated components. They show that inequality of wealth can emerge spontaneously and more equality can be gained by pure initiative.



Cancer, Health, Grand Challenge, UK, Cancer Research, Mutational Signatures

Los Alamos Research on Cancer’s Origins Key Part of Huge Grant


Los Alamos National Laboratory researcher Ludmil Alexandrov has been announced as a member of one of the first four global research teams funded under Cancer Research UK’s “Grand Challenge,” which seeks to revolutionize the understanding of cancer and its prevention, diagnosis and treatment.



Early Career Award, DOE, National Security, Scientists And Engineers

Yeager Wins Presidential Early Career Award


John Yeager, of Los Alamos National Laboratory’s High Explosives Science and Technology group, is a recipient of the Presidential Early Career Award for Scientists and Engineers.

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