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Full-Text Articles in Physics
Optimization Of Useful Hard X-Ray Photochemistry, David Lewis Goldberger
Optimization Of Useful Hard X-Ray Photochemistry, David Lewis Goldberger
UNLV Theses, Dissertations, Professional Papers, and Capstones
X-ray induced damage is generally considered a nuisance, but in the field of Useful Hard X-ray Photochemistry we harness the highly ionizing and penetrating properties of hard X-rays (> 7 keV) to initiate novel photochemical decomposition and synthesis at ambient and extreme conditions. Preliminary experiments suggest that the energy of irradiating photons and the sample pressure play roles in determining the nature of X-ray induced damage. Here, we present the X-ray energy dependence of damage induced in strontium oxalate, strontium nitrate, and barium nitrate, as well as the pressure dependence of X-ray induced damage of strontium oxalate. Our results indicate …
Pressure Effect On The Antiferromagnetic Compound Ce2ni3ge5, Jun Gouchi, Yuki Nakamura, Miho Nakashima, Tasushi Amako, Ravhi Kumar, Yoshiya Uwatoko
Pressure Effect On The Antiferromagnetic Compound Ce2ni3ge5, Jun Gouchi, Yuki Nakamura, Miho Nakashima, Tasushi Amako, Ravhi Kumar, Yoshiya Uwatoko
Physics & Astronomy Faculty Research
In this study, the electrical resistivity and magnetization of a single crystal of Ce2Ni3Ge5 heavy fermion compound were performed under pressure. The resistivity and magnetization showed two antiferromagnetic transitions at ambient pressure. On applying pressure, the transitions merged at 1 GPa. At higher pressures, the antiferromagnetic transition temperature decreases, and disappears. It is suggesting that the critical pressure of Ce2Ni3Ge5 was 4.1 GPa.