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Charge-order phase transition in the quasi one-dimensional organic conductor (TMTTF)NO
Lena Nadine Majer, Björn Miksch, Guilherme Gorgen Lesseux +2
Low-dimensional organic conductors show a rich phase diagram, which has, despite all efforts, still some unexploed regions. Charge ordered phases present in many compounds of the (…
Interacting electron spins in -(BEDT-TTF)Cu[N(CN)]I investigated by ESR spectroscopy
Lena Nadine Majer, Björn Miksch, Olga Iakutkina +3
We performed angular and temperature-dependent electron-spin-resonance measurements in the quasi-two-dimensional organic conductor -(BEDT-TTF)Cu[N(CN)]I. The interlayer…
Optical signatures of phase transitions and structural modulation in elemental tellurium under pressure
Diego Rodriguez, Alexander A. Tsirlin, Tobias Biesner +5
A room-temperature infrared spectroscopy study of elemental tellurium at pressures up to 8.44 GPa in the energy range 0.015-2 eV is reported. Optical signatures of the high-pressur…
Revealing excess protons in the infrared spectrum of liquid water
V. G. Artemov, E. Uykur, S. Roh +3
The most common species in liquid water, next to neutral HO molecules, are the HO and OH ions. In a dynamic picture, their exact concentrations depend on the time s…
Characterizing dielectric properties of ultra-thin films using superconducting coplanar microwave resonators
Nikolaj G. Ebensperger, Benedikt Ferdinand, Dieter Koelle +3
We present an experimental approach for cryogenic dielectric measurements on ultra-thin insulating films. Based on a coplanar microwave waveguide design we implement superconductin…
Microscopic nature of the asymmetric hysteresis in the insulator-metal transition of VO revealed by spectroscopic ellipsometry
Ievgen Voloshenko, Florian Kuhl, Bruno Gompf +4
Systematic spectroscopic ellipsometry investigations have been performed in order to elucidate the asymmetric insulator-to-metal transition in thin VO films. The comprehensive…