Results 111 to 120 of about 222,465 (306)

Observation of Magnetic‐Anisotropy Crossover and High‐Temperature Skyrmions in the Dirac Magnet Fe3Ge with a Distorted Kagome Lattice

open access: yesAdvanced Science, EarlyView.
A temperature‐driven magnetic anisotropy crossover is revealed in the Dirac kagome magnet Fe3Ge with a distorted kagome lattice. The transition from easy‐plane to easy‐axis magnetic anisotropy stabilizes robust Bloch‐type skyrmions over an exceptionally wide temperature window of 375–650 K.
Yalei Huang   +15 more
wiley   +1 more source

Deregulating Telecommunications in Europe: Timing, Path-Dependency, and Institutional Complementarities [PDF]

open access: yes
We investigate institutional and policy drivers of telecommunications deregulation in Europe. In particular, we focus on those determinants which received so-far a comparatively little attention: policy speed and timing, path-dependency, institutional ...
Filippo Belloc   +2 more
core  

Emergent Magnetism, Heavy Electrons, and Pressure‐Induced Reentrant Superconductivity in the Iron Substituted 4d Transition‐Metal Sulfides

open access: yesAdvanced Science, EarlyView.
This work illustrates that magnetic Fe substitution enables systematic modulation of physical properties of the putative unconventional superconductor Rh17S15. Iron doping uncovers delicate competition between weak ferromagnetism, spin‐glass states, heavy‐fermion signatures, and superconductivity.
Yalei Huang   +18 more
wiley   +1 more source

Past, Present and Future of the Telecommunications Industry [PDF]

open access: yes
The telecommunications industry has experienced a series of dramatic changes since itsinception in the 1880s. Due to the latest liberalization and privatization wave in the world, the telecommunications industry has turned into a dynamic environment and ...
Pennings,Jacqueline   +2 more
core  

High‐Throughput Screening for Accelerated Oxide Glass Discovery

open access: yesAdvanced Science, EarlyView.
A high‐throughput screening platform is presented that allows for accelerating laboratory glass synthesis by a factor of 102, using multicomponent stereolithographic printing. Automatic sample evaluation is achieved via Raman spectroscopy and similarity analysis without any sample preparation.
Igor Seibel‐Geraschenko   +5 more
wiley   +1 more source

Strategic Design of a Business Model for Providing Services over the 5G Network in Peru

open access: yesAdministrative Sciences
The advance of the fifth generation (5G) network globally has completely changed business models, giving rise to the birth of new companies with their business models and the adaptation of existing companies.
Edison Moreno-Cardenas   +2 more
doaj   +1 more source

Non‐Uniform Space‐Time‐Coding Modulation for Low‐Complexity Diagnostics of Reconfigurable Intelligent Surfaces

open access: yesAdvanced Electronic Materials, EarlyView.
A diagnostic method for reconfigurable intelligent surfaces (RIS) based on non‐uniform space‐time‐coding modulation is presented. Fault localization is achieved via amplitude‐only spectral measurements, eliminating the need for complex signal processing. A one‐to‐one mapping between harmonic components and RIS elements enables accurate detection.
Xiao Qing Chen   +8 more
wiley   +1 more source

International benchmarking of Australian telecommunications services [PDF]

open access: yes
The study compares the performance of the Australian telecommunications services industry with those in other countries. Related papers submitted to this study by NECG Ltd.
Productivity Commission
core  

Conformal Reconfigurable Intelligent Surfaces: A Cylindrical Geometry Perspective

open access: yesAdvanced Electronic Materials, EarlyView.
Cylindrical reconfigurable intelligent surfaces are explored for low‐complexity beam steering using one‐bit meta‐atoms. A multi‐level modeling approach, including optimization‐based synthesis, demonstrates that even minimal hardware can support directive scattering.
Filippo Pepe   +4 more
wiley   +1 more source

Universal Telecommunications Service in India [PDF]

open access: yes
Nearly every country in the world, including India, has policies intended to promote universal access to telecommunications services, despite the absence of evidence of a market failure in the industry.
Wallsten, Scott, Noll, Roger G.
core  

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