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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Collision energy dependence of moments of net-kaon multiplicity distributions at RHIC
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Global baryon number conservation encoded in net-proton fluctuations measured in Pb–Pb collisions at s NN = 2.76 TeV
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Techno-economic optimization of a hybrid energy system with limited grid connection in pursuit of net zero carbon emissions for New Zealand
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Predictions of instantaneous temperature fields in jet-in-hot-coflow flames using a multi-scale U-Net model
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Preliminary Life Cycle Assessment of a Net-zero Power Plant Co-fired with Waste Coal and Biomass
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Mind the gap: Comparing the net value of geothermal, wind, solar, and solar+storage in the Western United States
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Estimation of high-resolution land surface net shortwave radiation from AVIRIS data: Algorithm development and preliminary results
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Pairing geothermal technology and solar photovoltaics for net-zero energy homes
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NET v1.0: A framework to simulate permanent damage in elastomers under quasi-static deformations
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Layered Structures and Disordered Polyanionic Nets in the Cation-Poor Polar Intermetallics CsAu 1.4 Ga 2.8 and CsAu 2 Ga 2.6
Gold intermetallics are known for their unusual structures and bonding patterns. Two new compounds have been discovered in the cation-poor part of the Cs–Au–Ga system. We obtained both compounds directly by heating the elements at elevated temperatures. Structure determinations based on single-crystal X-ray diffraction analyses revealed two structurally and compositionally related formations: CsAu 1.4 Ga 2.8 (I) and CsAu 2 Ga 2.6 (II) crystallize in their own structure types (I: R$\bar{3}$, a = 11.160(2) Å, c = 21.706(4) Å, Z = 18; II: R$\bar{3}$, a = 11.106(1) Å, Å, c = 77.243(9) Å, Z = 54) and contain hexagonal cationic layers of cesium. Furthermore, this is a unique structural motif, which has never been observed for the other (lighter) alkali metals in combination with Au and post transition elements. The polyanionic part is characterized in contrast by Au/Ga tetrahedral stars, a structural feature that is characteristic for light alkali metal representatives, and disordered sites with mixed Au/Ga occupancies that occur in both structures with a more significant disorder in the polyanionic component of CsAu 2 Ga 2.6 . Examinations of the electronic band structure for a model approximating the composition of CsAu 1.4 Ga 2.8 have been completed using density-functional-theory-based methods and reveal a deep pseudogap at E F . Bonding analysis by evaluating the crystal orbital Hamilton populations show dominant heteroatomic Au–Ga bonds and only a negligible contribution from Cs pairs.