Results 101 to 110 of about 383,210 (257)

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, Zhuangzhuang Ma, Jibin Zhang, Yanni He, Jinfei Dai, Xinjian Li, Zhifeng Shi, Liberato Manna   +7 more
wiley   +1 more source

Lower Bounds in the Preprocessing and Query Phases of Routing Algorithms

, 2015
In the last decade, there has been a substantial amount of research in finding routing algorithms designed specifically to run on real-world graphs. In 2010, Abraham et al. showed upper bounds on the query time in terms of a graph's highway dimension and
C. Gavoille, E. Cohen, I. Abraham, J. Arz, R. Bauer, R. Geisberger   +5 more
core   +1 more source

Pioneering the Future: Principles, Advances, and Challenges in Organic Electrodes for Aqueous Ammonium‐Ion Batteries

Advanced Materials, Volume 37, Issue 13, April 2, 2025.
Leveraging the numerous advantages of ammonium‐ion (NH₄⁺)—including cost‐effectiveness, low corrosiveness, preferential orientation, and rapid diffusion kinetics—aqueous NH₄⁺ batteries (AAIBs) have gained significant attention. This review highlights and evaluates the progress of AAIBs utilizing organic electrode materials such as small molecules ...
Mangmang Shi, Xiaoyan Zhang
wiley   +1 more source

Interval Routing Schemes for Circular-Arc Graphs [PDF]

arXiv, 2012
Interval routing is a space efficient method to realize a distributed routing function. In this paper we show that every circular-arc graph allows a shortest path strict 2-interval routing scheme, i.e., by introducing a global order on the vertices and assigning at most two (strict) intervals in this order to the ends of every edge allows to depict a ...
arxiv  

Energy management in communication networks: a journey through modelling and optimization glasses

, 2015
The widespread proliferation of Internet and wireless applications has produced a significant increase of ICT energy footprint. As a response, in the last five years, significant efforts have been undertaken to include energy-awareness into network ...
Addis, Bernardetta, Capone, Antonio, Carello, Giuliana, Gianoli, Luca G., Sansò, Brunilde   +4 more
core   +2 more sources

Van Der Waals Hybrid Integration of 2D Semimetals for Broadband Photodetection

Advanced Materials, EarlyView.
Advanced broadband photodetector technologies are essential for military and civilian applications. 2D semimetals, with their gapless band structures, high mobility, and topological protection, offer great promise for broadband PDs. This study reviews the latest advancements in broadband PDs utilizing heterostructures that combine 2D semimetals with ...
Xue Li, Kunxuan Liu, Di Wu, Pei Lin, Zhifeng Shi, Xinjian Li, Longhui Zeng, Yang Chai, Shu Ping Lau, Yuen Hong Tsang   +9 more
wiley   +1 more source

Fast Shortest Path Routing in Transportation Networks with Time-Dependent Road Speeds [PDF]

arXiv, 2014
The current paper deals with the subject of shortest path routing in transportation networks (in terms of travelling time), where the speed in several of the network's roads is a function of the time interval. The main contribution of the paper is a procedure that is faster compared to the conventional approaches, that derives the road's traversal time
arxiv  

Efficient routing on complex networks

, 2005
In this letter, we propose a new routing strategy to improve the transportation efficiency on complex networks. Instead of using the routing strategy for shortest path, we give a generalized routing algorithm to find the so-called {\it efficient path ...
A. S. Tanenbaum, Bing-Hong Wang, Bo Hu, C. Huitema, Gang Yan, M. Barthélemy, R. Pastor-Satorras, Tao Zhou, W. E. Leland, Zhong-Qian Fu   +9 more
core   +1 more source

Moisture‐Dependent Vibrational Dynamics and Phonon Transport in Nanocellulose Materials

Advanced Materials, EarlyView.
Uptake of water in cellulose play an important role in modulating the structure and phonon transport. This study reports how moisture‐dependent structural modification relates to the vibrational dynamics and phonon transport and scattering of nanocellulose using inelastic neutron scattering and wide angle X‐ray scattering.
Agnes Åhl, Elisabetta Nocerino, Unnimaya Thalakkale Veettil, Kojiro Uetani, Shun Yu, Jeff Armstrong, Fanni Juranyi, Lennart Bergström   +7 more
wiley   +1 more source

Arborescences and Shortest Path Trees when Colors Matter [PDF]

arXiv
Color-constrained subgraph problems are those where we are given an edge-colored (directed or undirected) graph and the task is to find a specific type of subgraph, like a spanning tree, an arborescence, a single-source shortest path tree, a perfect matching etc., with constraints on the number of edges of each color. Some of these problems, like color-
arxiv