By tuning the amount of gold at the SiC/graphene interface, we induce a semiconductor to metal transition in the 2D-Au, which has not yet been observed and hosts great interest for fundamental physics.Similar content being viewed by others Atomically thin half-van der Waals metals enabled by ...
Herein we demonstrate CO2-induced SMSIs between irreducible oxide MgO and noble gold nanoparticles, presenting electronic and geometric features that are similar to those of classical SMSIs. The key to these interactions is activating the oxide surface by a reversible reaction, MgO + CO2 ...
"There's greater safety in holding gold in demat form compared to keeping it physically in a locker," says Benchmark Mutual Fund's Executive Director, Rajan Mehta. The tax treatment on ETFS is similar to that of debt funds, while physical gold purchases could lead to wealth tax issues. ...
the profit margin of recovering the precious metals such as gold from the abandoned mobiles had been decreasing during early 2000s (Geyer and Blass, 2010). Thus, it was believed that the recycling industry of the mobiles in the United States may have been better supported by the profit margin...
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Noble metal nanoparticles noble metal (NM) nanoparticle in general and their gold and silver analogs in particular are attracting huge interest from the scientific community owing to their fabulous...
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These intake rates are quite unreal to be consumed and were similar to the data from common carp and largemouth bass, even higher in some cases. But for the non-essential ele- ments the intake rations decreased considerably com- pared to Cu and Zn. The levels of As in the three spe- ...
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Futures and options contracts on metals such as gold, silver, zinc, and copper are listed for trading on the LME. Hedgers and speculators are active on the metals exchange, with hedgers turning to futures and options to mitigate risk and speculators seeking to make short-term profits by taki...