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Université de Fribourg

Mapping the unoccupied state dispersions in ${\mathrm{Ta}}_{2}{\mathrm{NiSe}}_{5}$ with resonant inelastic x-ray scattering

Monney, Claude ; Herzog, Marc ; Pulkkinen, Aki ; Huang, Y. ; Pelliciari, Jonathan ; Olalde-Velasco, P. ; Katayama, Naoyuk ; Nohara, Minoru ; Takagi, Hide ; Schmitt, Thorsten ; Mizokawa, Takashi

In: Physical Review B, 2020, vol. 102, no. 8, p. 085148

The transition metal chalcogenide Ta2NiSe5 undergoes a second-order phase transition at Tc=328K involving a small lattice distortion. Below Tc, a band gap at the center of its Brillouin zone increases up to about 0.35 eV. In this work, we study the electronic structure of Ta2NiSe5 in its low-temperature semiconducting phase, using resonant inelastic x-ray scattering (RIXS) at the Ni L3 edge....

Université de Fribourg

Resolution limit of taylor dispersion: an exact theoretical study

Taladriz-Blanco, Patricia ; Rothen-Rutishauser, Barbara ; Petri-Fink, Alke ; Balog, Sandor

In: Analytical Chemistry, 2020, vol. 92, no. 1, p. 561–566

Taylor dispersion is a microfluidic analytical technique with a high dynamic range and therefore is suited well to measuring the hydrodynamic radius of small molecules, proteins, supramolecular complexes, macromolecules, nanoparticles and their self- assembly. Here we calculate an unaddressed yet fundamental property: the limit of resolution, which is defined as the smallest change in the...

Consortium of Swiss Academic Libraries

Remarks on the Convergence of Pseudospectra

Bögli, Sabine ; Siegl, Petr

In: Integral Equations and Operator Theory, 2014, vol. 80, no. 3, p. 303-321

Consortium of Swiss Academic Libraries

Milky Way Gas Dynamics

Englmaier, Peter ; Gerhard, Ortwin

In: Celestial Mechanics and Dynamical Astronomy, 2006, vol. 94, no. 4, p. 369-379

Consortium of Swiss Academic Libraries

Equivalence of Topological and Scattering Approaches to Quantum Pumping

Bräunlich, G. ; Graf, G. ; Ortelli, G.

In: Communications in Mathematical Physics, 2010, vol. 295, no. 1, p. 243-259

Consortium of Swiss Academic Libraries

Troubles with the Proton rms-Radius

Sick, Ingo

In: Few-Body Systems, 2011, vol. 50, no. 1-4, p. 367-369