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11 papers · 2 filters
Localized vs. delocalized character of charge carriers in LaAlO3/ SrTiO3 superlattices
Kejin Zhou, Milan Radovic, Justine Schlappa +5
Understanding the nature of electrical conductivity, superconductivity and magnetism between layers of oxides is of immense importance for the design of electronic devices employin…
Phase stability and structural temperature dependence in sodium niobate: A high resolution powder neutron diffraction study
S. K. Mishra, R. Mittal, V. Yu. Pomjakushin +1
We report investigation of structural phase transitions in technologically important material sodium niobate as a function of temperature on heating over 300-1075 K. Our high resol…
Tuning the spin texture in binary and ternary surface alloys on Ag(111)
Isabella Gierz, Fabian Meier, J. Hugo Dil +2
Recently, a giant spin splitting has been observed in surface alloys on noble metal (111) surfaces as a result of a strong structural modification at the surface as well as the lar…
Controlling the effective mass of quantum well states in Pb/Si(111) by interface engineering
Bartosz Slomski, Fabian Meier, Juerg Osterwalder +1
The in-plane effective mass of quantum well states in thin Pb films on a Bi reconstructed Si(111) surface is studied by angle-resolved photoemission spectroscopy. It is found that…
Impact of gamma' particle coarsening on the critical resolved shear stress of nickel-base superalloys with low aluminium and/or titanium content
Péter Dusán Ispánovity, Botond Bakó, Daniel Weygand +2
In Ni-base superalloys with low Al and/or Ti content the precipitation and subsequent coarsening of gamma' particles at intermediate temperatures contribute to the degradation of t…
Evolution of the interfacial structure of LaAlO3 on SrTiO3
S. A. Pauli, S. J. Leake, B. Delley +7
The evolution of the atomic structure of LaAlO3 grown on SrTiO3 was investigated using surface x-ray diffraction in conjunction with model-independent, phase-retrieval algorithms b…