A group of seventh graders from Black Pine Circle (BPC) school in Berkeley recently had a rare opportunity to experience the ALS as “users” via a scientific research proposal project and field trip. The students were led by science and technology teacher Christine Mytko, who spent the past summer at the ALS through the Industry Initiatives for Science and Math Education (IISME) program. Read more »
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Senior Scientist Musa Ahmed
In his 19 years at the ALS, senior scientist Musa Ahmed has seen chemistry grow from a somewhat obscure synchrotron science focus area to a cornerstone, award-winning ALS program. Ahmed was recently charged with leading the chemical sciences program for both ALS chemical dynamics beamlines, 9.0.1 and 11.0.2, which befits his long-standing enthusiasm and leadership in advancing chemistry research at the ALS. Read more »
Greta Toncheva and Robert Fairchild, Laser Safety Officers
“Safety is elemental” is the latest safety tagline for the ALS and Berkeley Lab, and it also pretty much sums up the mission of laser safety officers Greta Toncheva and Robert Fairchild. Toncheva and Fairchild share the responsibility of ensuring laser safety lab-wide, with Toncheva responsible for overseeing laser safety operations at the ALS. Read more »
Concrete Industry Benefits from Ancient Romans and the ALS
New insights into the ancient Romans’ ingenious concrete harbor structures emerging from ALS beamline research could move the modern concrete industry toward its goal of a reduced carbon footprint.
Learning from Roman Seawater Concrete
Analyses of ancient concrete samples pinpointed why the best Roman concrete was superior to most modern concrete in durability, why its manufacture was less environmentally damaging, and how these improvements could be adopted in the modern world. Read more »
Moving Industry Forward: Finding the Environmental Opportunity in Biochar
Using ALS tomography capabilities, the EPA is currently investigating how biochar, a promising biofuel byproduct, sorbs environmental toxins and which kinds of biochar are the most effective. The possibilities for widespread use have already launched entrepreneurial commercial ventures.
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New Light on a Famous Insulator: Photoinduced Polaronic Conduction in Anatase
Using angle-resolved photoemission spectroscopy (ARPES), researchers have shown that the number of conduction electrons in anatase, as well as their degree of correlation, can be patterned by exposure to UV light in a controllable and reversible way. Read more »
TE Connectivity Finds Answers in Tomography
TE Connectivity designs and manufactures more than 500,000 different electronic connectivity products for the automotive, energy, industrial, broadband communications, consumer device, healthcare, aerospace, and defense industries. TE has been investigating how ALS tomography capabilities can help the company develop more efficient connectors.
ALS Gives Chevron Scientists New Insights into Corrosion Resistance
In the chemical environments common in energy production plants, steel pipes and equipment can accumulate layers of iron sulfide, some of which are corrosion resistant and provide protection to the steel surface. Understanding how operating conditions affect steel surface layers can improve corrosion rate estimates, decreasing building and maintenance costs, and increasing the safety and reliability of operating plants. Chevron Energy Technology Company (Chevron ETC) is currently studying the link between operating conditions and corrosion properties at ALS to determine which corrosion layers form and in what order.
Enabling Thin Silicon Solar Cell Technology
The effort to shift U.S. energy reliance from fossil fuels to renewable sources has spurred companies to reduce the cost and increase the reliability of their solar photovoltaics (SPVs). But thinner silicon is more susceptible to stress and cracking, leading one researcher from SunPower Corporation to mount a fundamental approach to systematically find stress and enable solutions for next-generation crystalline silicon SPV systems. Read more »
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