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Low Temperature Structural Phase Transition in the Perovskite Ba2CaMoO6
Loi T. Nguyen, Robert J. Cava, Allyson M. Fry-Petit
Ba2CaMoO6 was synthesized by solid state method. The crystal structure adopts cubic Fm-3m space group at room temperature with lattice parameters of 8.378231(5) {angstroms}. Upon c…
Ultrafast broadband optical spectroscopy for quantifying subpicometric coherent atomic displacements in
Davide Soranzio, Maria Peressi, Robert J. Cava +2
Here we show how time-resolved broadband optical spectroscopy can be used to quantify, with femtometer resolution, the oscillation amplitudes of coherent phonons through a displaci…
Identifying candidate hosts for quantum defects via data mining
Austin M. Ferrenti, Nathalie P. de Leon, Jeff D. Thompson +1
Atom-like defects in solid-state hosts are promising candidates for the development of quantum information systems, but despite their importance, the host substrate/defect combinat…
Understanding the Instability of the Halide Perovskite CsPbI through Temperature-Dependent Structural Analysis
Daniel B. Straus, Shu Guo, Milinda Abeykoon +1
Despite the tremendous interest in halide perovskites in solar cells, the reason that the all-inorganic perovskite CsPbI is unstable at room temperature remains mysterious. Her…
Concurrent probing of electron-lattice dephasing induced by photoexcitation in 1T-TaSeTe using ultrafast electron diffraction
Jun Li, Junjie Li, Kai Sun +12
It has been technically challenging to concurrently probe the electrons and the lattices in materials during non-equilibrium processes, allowing their correlations to be determined…