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A new organometallic compound challenges a fundamental principle of textbook chemistry
For more than a century, the well-known 18-electron rule has guided the field of organometallic chemistry. Now, researchers at Okinawa Institute of Science and Technology (OIST), in collaboration with ...
A new quantum dot photoreductant uses 99% less light energy for organic reactions
Chemists at the School of Science of the Hong Kong University of Science and Technology (HKUST) have recently made ...
IEEE14d
Gain Analysis of a 0.2-THz Traveling-Wave Tube With Sheet Electron Beam and Staggered Grating Slow Wave Structure - IEEE Xplore
Results of numerical simulation of a miniaturized sub-THz traveling-wave tube amplifier with sheet electron beam and planar grating slow wave structure (SWS) are presented. Cold characteristics of the ...
C&EN15d
Who Needs Lewis Structures To Get VSEPR Geometries?
Teaching the VSEPR (valence shell electron-pair repulsion) model can be a tedious process. Traditionally, Lewis structures are drawn and the number of “electron clouds” (groups) around the central ...
C&EN16d
Correlation of Atomic Structure and Photoluminescence of the Same Quantum Dot: Pinpointing Surface and Internal Defects That Inhibit Photoluminescence | ACS Nano - ACS Publications
In a size regime where every atom counts, rational design and synthesis of optimal nanostructures demands direct interrogation of the effects of structural divergence of individuals on the ...
IEEE29d
Experimental Dose Enhancement in Multi-Layer Shielding Structures Exposed to High-Energy Electron Environments - IEEE Xplore
The impact of high energy electrons in multi-layered shielding structures has been measured in terms of dose enhancement effects. New dosimetric data from a series of extensive experimental tests have ...