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Advances in spectroscopy

Physicists at The University of Texas at Arlington have developed a new technique that can measure the properties of the topmost atomic layer of materials without including information from the un . ....

United States , Varghese Chirayath , Alex Fairchild , Saurabh Mukherjee , Bernardo Barbiellini , Alex Weiss , Ali Koymen , Randall Gladen , Department Of Physics , Positron Lab , University Of Texas At Arlington , Physical Review Letters , That Doesnt Scratch , Surface Analysis , Irtual Photons ,

Researchers use graphene to measure the properties of a material's surface layer

Researchers from Northeastern University in Boston and University of Texas at Arlington (UTA) have used a process called auger-mediated positron sticking (AMPS) to  develop a new technique that can measure the properties of the topmost atomic layer of materials. This spectroscopic tool uses virtual photons to measure the topmost atomic layer’s electronic structure selectively. When incoming positrons change from vacuum states to bound surface states on the sample surface, they produce virtual photons with the energy to excite electrons into the vacuum. ....

United States , Northeastern University , Varghese Chirayath , Alex Fairchild , Alex Weiss , Department Of Physics , Positron Lab , University Of Texas At Arlington ,

Physicists find a new way to measure the properties of a material's surface layer

Scientists have developed a new technique that can measure the properties of the topmost atomic layer of materials without including information. ....

Varghese Chirayath , Alex Fairchild , Alex Weiss , Department Of Physics , Positron Lab ,