Results 111 to 120 of about 1,859,132 (364)
Advanced Materials, EarlyView.An organic BTHG agent called OTBP with prominent crystallinity is developed. The resonant absorption at 433 nm and prominent crystallinity of OTBP enhance its BTHG efficiency when excited by a 1300 nm femtosecond laser. Tuning the size of OTBP nanocrystals based on Mie scattering theory successfully enables them to achieve high‐contrast muti‐organ ...
Lidong Du +12 more
wiley +1 more source
Horizontal Branch Stars in the Galactic Stellar Halo [PDF]
arXiv, 1997 I review the properties of the Galaxy's stellar halo, specifically as traced by horizontal branch stars, but with reference to and in comparison with other stellar tracers. I discuss the halo density profile, the variation in horizontal branch morphology with Galactic position, and the kinematics of halo stars in several regions of the Galaxy.
arxiv
Quantum Batteries: A Materials Science Perspective
Advanced Materials, EarlyView.This perspective is focused on advanced materials that might allow the new device class of quantum batteries to be developed. These systems include microcavities with organic molecules, inorganic nanostructures and perovskites, and superconductor circuits.
Andrea Camposeo +5 more
wiley +1 more source
Complex Fracture Closure Pressure Analysis During Shut-in: A Numerical Study
Energy Exploration & Exploitation, 2022 Conventional fracture closure models typically assume homogeneous formation. This assumption renders complex fracture closure pressure analysis during shut-in insufficient at present.
Daobing Wang +5 more
doaj +1 more source
THE GRADIENTS IN THE 47 Tuc RED GIANT BRANCH BUMP AND HORIZONTAL BRANCH ARE CONSISTENT WITH A CENTRALLY CONCENTRATED, HELIUM-ENRICHED SECOND STELLAR GENERATION [PDF]
, 2011 We combine ground- and space-based photometry of the Galactic globular cluster 47 Tuc to measure four independent lines of evidence for a helium gradient in the cluster, whereby stars in the cluster outskirts would have a lower initial helium abundance ...
D. Nataf +3 more
semanticscholar +1 more source
Light‐Emitting Diodes Based on Metal Halide Perovskite and Perovskite Related Nanocrystals
Advanced Materials, EarlyView.The review covers the past and current developments in light‐emitting diodes (LEDs) exploiting nanocrystals of halide perovskites and perovskite‐related materials. The review examines the aspects of material optimizations, device engineering, and applications.
Ying Liu +7 more
wiley +1 more source
Horizontal Branch stars as AmFm/HgMn stars [PDF]
arXiv, 2008 Recent observations and models for horizontal branch stars are briefly described and compared to models for AmFm stars. The limitations of those models are emphasized by a comparison to observations and models for HgMn stars.
arxiv
CHEMICAL AND KINEMATICAL PROPERTIES OF BLUE STRAGGLER STARS AND HORIZONTAL BRANCH STARS IN NGC 6397
, 2012 We used three sets of high-resolution spectra acquired with the multifiber facility FLAMES at the Very Large Telescope of the European Southern Observatory to investigate the chemical and kinematical properties of a sample of 42 horizontal branch (HB ...
L. Lovisi +6 more
semanticscholar +1 more source
THE STRUCTURE OF THE SAGITTARIUS STELLAR STREAM AS TRACED BY BLUE HORIZONTAL BRANCH STARS [PDF]
, 2011 We use a sample of blue horizontal branch (BHB) stars from the Sloan Digital Sky Survey Data Release 7 to explore the structure of the tidal tails from the Sagittarius Dwarf Galaxy. We use a method yielding BHB star candidates with up to ∼70% purity from
C. Ruhland, E. Bell, H. Rix, X. Xue
semanticscholar +1 more source
Advanced Materials, EarlyView.Wood and cellulose are the most abundant and important sustainable materials on the planet at the disposal to solve major societal challenges. This perspective, written for all materials scientists, highlights how breakthroughs in cellulose nanotechnology combined with functional nanomaterials can revolutionize important areas like construction ...
Mahiar Max Hamedi +5 more
wiley +1 more source