Results 91 to 100 of about 288,913 (369)

Ladder‐Type Benzene‐Perylene Dyes with Efficient Laser Properties in the Near‐IR by Detracting/Activating Low/High Frequency Vibronic Modes

Advanced Functional Materials, EarlyView.
The NNR‐n series of oligomeric nanographenes delivers exceptional emission performance. This work shows that this performance is originated by their ladder‐type structure, which effectively deactivates low‐frequency vibronic modes. This deactivation neglects the main pathway for non‐emissive deactivation, even in the near‐infrared region. The potential
Marcos Díaz‐Fernández, Álex Farrando Pérez, Fernando Gordillo Gámez, Pedro G. Boj, José M. Villalvilla, José A. Quintana, Yanpei Wan, Daniel Aranda, José Manuel Marín‐Beloqui, Jishan Wu, Zebing Zeng, María A. Díaz‐García, Juan Casado   +12 more
wiley   +1 more source

A flexible platform for controlled optical and electrical effects in tailored plasmonic break junctions

Nanophotonics, 2020
Mechanically controllable break junctions are one suitable approach to generate atomic point contacts and ultrasmall and controllable gaps between two metal contacts.
Laible Florian, Braun Kai, Hauler Otto, Eberle Martin, Kern Dieter P., Meixner Alfred J., Fleischer Monika   +6 more
doaj   +1 more source

Recent Advances in Strain-Induced Piezoelectric and Piezoresistive Effect-Engineered 2D Semiconductors for Adaptive Electronics and Optoelectronics

Nano-Micro Letters, 2020
Highlights A comprehensive review of strain-engineered 2D semiconductors in electronics and optoelectronics. The basic theories and simulation studies of strain introduced piezoelectric effect and piezoresistive effect have been summarized.
Feng Li, Tao Shen, Cong Wang, Yupeng Zhang, J. Qi, Han Zhang   +5 more
semanticscholar   +1 more source

The Influence of Annealing on the Sb Layer in the Synthesis of [001]‐Oriented Sb2Se3 Film for Photoelectrochemical Hydrogen Gas Generation

Advanced Functional Materials, EarlyView.
[001]‐oriented Sb2Se3 film with improved crystallinity and adjusted composition is achieved via a new thermal treatment approach consisting of preliminary annealing of the Sb layer before its selenization. The findings of this work demonstrate enhanced charge carriers' transportation, a stable performance, and an improvement of H2 generation from ...
Magno B. Costa, Moisés A. de Araújo, Joaquim Puigdollers, Pablo Ortega, Teresa Andreu, Cristobal Voz, Edgardo Saucedo, Lucia H. Mascaro   +7 more
wiley   +1 more source

Effects of Induced Structural Modification on Properties of V⁺ Ion-Implanted RF—Magnetron Sputtering Deposited ZnO Thin Films of Thickness 120 nm on Borosilicate Glass Substrates

Nanomaterials
The influence of structural modifications on the thermal stability, chemical bonds, and optical properties of zinc oxide (ZnO) thin films (120 nm thick) for optoelectronic devices (solar cells, LEDs) and energy nanodevices was investigated.
Olakunle Oluwaleye, Bonex Wakufwa Mwakikunga, Joseph K. O. Asante   +2 more
doaj   +1 more source

Fifty years of optical fiber photonics development in Poland – OFTA2025 [PDF]

International Journal of Electronics and Telecommunications
Fiber Optics celebrates 50th anniversary of development in Poland. The conferences on Optical Fibers and Their Applications, organized in the country for 50 years, have played an important role in the development of the national scientific and technical ...
Ryszard S. Romaniuk, Jan Dorosz
doaj   +1 more source

Characteristics of PEALD–Hafnium Dioxide Films and their Application to Gate Insulator Stacks of Photosynaptic Transistors

Advanced Electronic Materials, 2022
For practical applications of photosynaptic devices in neuromorphic systems, photosynaptic transistors prepared using TiO2 channels and TiO2/Al2O3 deep trap interfaces exhibit high stability and retention.
Jieun Kim, Jung Wook Lim, Jaehee Lee
doaj   +1 more source

Embedded fiber sensors with ultra-compact read-out [PDF]

, 2011
C
Van Hoe, Bram
core   +2 more sources

Ultrafast harmonic mode-locking of monolithic compound-cavity laser diodes incorporating photonic-bandgap reflectors [PDF]

, 2001
We present the first demonstration of reproducible harmonic mode-locked operation from a novel design of monolithic semiconductor laser comprising a compound cavity formed by a 1-D photonic-bandgap (PBG) mirror.
Avrutin, E A, Marsh, J H, McDougall, S D, Street, M W, Thayne, I G, Yanson, D A   +5 more
core   +2 more sources

Low‐Symmetry Weyl Semimetals: A Path to Ideal Topological States

Advanced Functional Materials, EarlyView.
This study presents a theoretical framework for realizing ideal Weyl semimetals, where Weyl nodes are well‐isolated at the Fermi level. The approach is exemplified in the low‐symmetry material Cu2SnSe3, which exhibits tunable topological phases, current‐induced orbital magnetization, and a strong circular photogalvanic effect, making it a promising ...
Darius‐Alexandru Deaconu, Varun Shah, Rodion Vladimirovich Belosludov, Mohammad Saeed Bahramy   +3 more
wiley   +1 more source