source:news.cornellA 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.The group’s paper, “Gate-Tunable Heavy Fermions in a Moiré Kondo Lattice,” published March 15 in Nature. The lead author is postdoctoral fellow Wenjin Zhao in the Kavli Institute at Cornell.The project was led by Kin Fai Mak, professor of physics in the College of Arts and Sciences, and Jie Shan, professor of applied and engineering physics in Cornell Engineering and in A&a...
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Eastern Metals sets sights on high-grade rare earths at former base and precious metals mine on Tara licencesouece:proactiveinvestorsEastern Metals Ltd (ASX:EMS) has returned some “significant results” from recent preliminary exploration at the old prospecting pit of Currawalla Mine on the Tara exploration licence in the Cobar Basin, New South Wales.Sampling at the shallow mine, which was historically explored and exhausted for base and precious metals, came back from the lab revealing up to 3.38% total rare earth oxides (TREO).The Currawalla Mine is coincident with a discrete and underexplore...
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source:phys.orgResearchers at the Université de Lorraine in France and Tohoku University in Japan have demonstrated a sub-picosecond magnetization reversal in rare-earth-free archetypical spin valves. Their discovery was published in the journal Nature Materials on March 9, 2023.Manipulating magnetic materials without using magnetic fields is of paramount importance for many applications, such as non-volatile memory. Two decades ago, it was discovered that a magnetization reversal could be induced by a charge current. A decade later, a much faster, sub-picosecond control of the magnetizat...
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source:globalnewsThe new materials are called spinel-type high entropy oxides (HEO). By combining several commonly found metals, such as iron, nickel and lead, researchers were able to design new materials with very finetuned magnetic properties.A team led by assistant professor Alannah Hallas at the University of British Columbia developed and grew the HEO samples in their lab. When they needed a way to study the material more closely, they asked the Canadian Light Source (CLS) at the University of Saskatchewan for help.“During the production process, all the elements will be randomly distrib...
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2023
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