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Full-Text Articles in Physics

Effect Of Structural Disorder On Magnetic Properties Of Mncrval, Juliana Herran, Rishabh Dalal, Paul Gray, Pavel Lukashev Mar 2017

Effect Of Structural Disorder On Magnetic Properties Of Mncrval, Juliana Herran, Rishabh Dalal, Paul Gray, Pavel Lukashev

Research in the Capitol

Operation of virtually any modern electronic device relies on magnetic materials. In particular, these materials are the cornerstone of data storage and processing in computer hardware elements, such as hard drives and random access memories. Here, we theoretically study an interplay between structural and magnetic properties of MnCrVAl, a material which recently attracted significant attention due to its rather exotic electronic structure. In particular, this material behaves either as an insulator or as a metal, depending on which “spin” (an intrinsic property of any fundamental particle) of the electron is considered. Using advanced computer simulation techniques (density functional calculations on …


Tio2 Coating Method For Nanocellulose Aerogel, Byron Fritch, Tim Kidd Mar 2017

Tio2 Coating Method For Nanocellulose Aerogel, Byron Fritch, Tim Kidd

Research in the Capitol

Titanium dioxide has been shown to be an effective catalyst for splitting water into hydrogen and oxygen gas. By increasing the surface area of the titanium dioxide catalyst, the rate of water splitting may increase. A possible method to increase the splitting of water uses a high surface area composite material formed by coating nanocellulose aerogels with titanium dioxide. Different coating methods were studied using titanium isopropoxide as the titanium dioxide source to create such composites. It was found that the most consistent titanium dioxide coatings were formed during a 12 hour titanium isopropoxide vapor bath. Other coating methods collapsed …