948 citations
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7 papers · 1 filter
Solid-to-solid phase transition from amorphous carbon to graphite nanocrystal induced by intense femtosecond x-ray pulses
J. Gaudin, J. Chalupský, M. Toufarová +22
We present the results of an experiment where amorphous carbon was irradiated by femtosecond x-ray free electron laser pulses. The 830 eV laser pulses induce a phase transition in…
Complex Chiral Modulations in FeGe close to Magnetic Ordering
E. Moskvin, S. Grigoriev, V. Dyadkin +4
We report on detailed polarized small-angle neutron scattering on cubic FeGe in magnetic fields applied either along (transverse) the scattering vector or parallel (longitudinal)to…
A simulation of the Neolithic transition in the Indus valley
Carsten Lemmen, Aurangzeb Khan
The Indus Valley Civilization (IVC) was one of the first great civilizations in prehistory. This bronze age civilization flourished from the end of the fourth millennium BC. It dis…
Malthusian assumptions, Boserupian response in models of the transitions to agriculture
Carsten Lemmen
In the many transitions from foraging to agropastoralism it is debated whether the primary drivers are innovations in technology or increases of population. The driver discussion t…
Holographic gratings for cold neutron optics
Martin Fally, Juergen Klepp, Christian Pruner +4
We discuss the applicability of holographically patterned polymers, polymer dispersed liquid crystals, and nanoparticle-polymer composites as optical elements for cold neutrons. Re…
Chiral criticality in doped MnFeSi compounds
S. V. Grigoriev, E. V. Moskvin, V. A. Dyadkin +4
The critical spin fluctuations in doped compounds MnFeSi have been studied by means of ac-susceptibility measurements, polarized neutron small angle scattering and spin…