Results 151 to 160 of about 166,291 (365)

Understanding and Optimizing Li Substitution in P2‐Type Sodium Layered Oxides for Sodium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
This work explores Li‐substituted P2 layered oxides for Na‐ion batteries by crystallographic and electrochemical studies. The effect of lithium on superstructure orderings, on phase transitions during synthesis and electrochemical cycling and on the interplay of O‐ versus TM‐redox is revealed via various advanced techniques, including semi‐simultaneous 
Mingfeng Xu   +5 more
wiley   +1 more source

Mitigation of vampire attacks in wireless adhoc and sensor networks during packet forwarding phase [PDF]

open access: yes, 2015
Ad-hoc wireless networks are an exciting research direction in sensing and pervasive computing. Advance security work in this area has beenprimarily focused on denial of communication at the routing or medium access control levels.
Meena, G. (Ghyanshyam)   +1 more
core  

H2O2‐Generating Advanced Nanomaterials for Cancer Treatment

open access: yesAdvanced Functional Materials, EarlyView.
H2O2‐generating nanoplatforms can exploit tumor redox imbalance for O2 and toxic reactive oxygen species generation, leading to hypoxia reversal, and apoptosis of cancer cells, respectively. This review highlights the mechanisms of these nanoplatforms, including exogenous H₂O₂ delivery, endogenous amplification, and metal peroxides, which leads to ...
Kiyan Musaie   +8 more
wiley   +1 more source

An Improved Routing Protocol for Optimum Quality of Service in Device-to-Device and Energy Efficiency in 5G/B5G

open access: yesFuture Internet
Some challenges when implementing the optimized link state routing (OLSR) protocol on real-life devices and simulators are unmanageable: link quality, rapid energy depletion, and high processor loads.
Sanusi Mohammad Bunu   +2 more
doaj   +1 more source

An Accurate Link Correlation Estimator for Improving Wireless Protocol Performance

open access: yesSensors, 2015
Wireless link correlation has shown significant impact on the performance of various sensor network protocols. Many works have been devoted to exploiting link correlation for protocol improvements.
Zhiwei Zhao   +3 more
doaj   +1 more source

Intramolecular Down‐ and Up‐Conversion in Dimeric Tetracene Complexes Centered via Platinum(II) and Palladium(II)

open access: yesAdvanced Functional Materials, EarlyView.
Metal‐tetracene dimeric complexes are synthesized through the pyridyl coordination to either Pt(II) or Pd(II). Photophysical properties are systematically compared as a function of the metal using steady‐state and time‐resolved spectroscopy. The Pt(II) dimer exhibits efficient intramolecular singlet fission and subsequent intramolecular up‐conversion ...
Yifan Bo   +4 more
wiley   +1 more source

Routing Protocols for Mobile and Vehicular Ad-Hoc Networks: A Comparative Analysis [PDF]

open access: yesarXiv, 2012
We present comparative analysis of MANET (Mobile Ad-Hoc Network) and VANET (Vehicular Ad-Hoc Network) routing protocols, in this paper. The analysis is based on various design factors. The traditional routing protocols of AODV (Ad hoc On-Demand Distance Vector), DSR (Dynamic Source Routing), and DSDV (Destination-Sequenced Distance-Vector) of MANET are
arxiv  

Quantum Emitters in Hexagonal Boron Nitride: Principles, Engineering and Applications

open access: yesAdvanced Functional Materials, EarlyView.
Quantum emitters in hexagonal boron nitride have emerged as a promising candidate for quantum information science. This review examines the fundamentals of these quantum emitters, including their level structures, defect engineering, and their possible chemical structures.
Thi Ngoc Anh Mai   +8 more
wiley   +1 more source

A Comparison of Optimized Link State Routing with Traditional Ad-hoc Routing Protocols [PDF]

open access: yes, 2006
The performance of mobile ad-hoc networks (MANET) is related to the efficiency of the routing protocols in adapting to frequently changing network topology and link status. This paper addresses the issue by comparing the relative performance of three
Lye, Pore Ghee, McEachen, John C.
core   +1 more source

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