THE thermal expansion coefficients for uranium boride (UB 2) and β-uranium silicide (USi 2) have been determined by X-ray powder methods with a high-temperature camera. The mean values for the ...

Accurate frequency measurements of a narrow optical clock transition in 171 Yb atoms trapped in an optical lattice establish this system as a serious contender in the quest to develop increasingly ...

Group of Coordination Chemistry, Institut des Sciences et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland ...