Results 141 to 150 of about 3,436,591 (356)

Mitigating Singlet Exciton Back‐Transfer using 2D Spacer Layers for Perovskite‐Sensitised Upconversion

Advanced Optical Materials, EarlyView.
The efficiency of bulk perovskite‐sensitised upconversion is hindered by parasitic singlet back‐transfer. A 2D perovskite spacer layer is introduced to weaken this loss pathway by increasing the separation between the sensitiser and the emitter. The spacer layer enhances the upconversion efficiency at lower excitation powers and improves the stability ...
Nicholas P. Sloane, Damon M. de Clercq, Md Arafat Mahmud, Jianghui Zheng, Adrian Mena, Guoliang Wang, Michael P. Nielsen, Anita W.Y. Ho‐Baillie, Christopher G. Bailey, Timothy W. Schmidt, Dane R. McCamey   +10 more
wiley   +1 more source

Stability of a quadratic and additive type functional equation in random normed spaces

, 2014
Sun-Sook Jin, Yang-Hi Lee
openalex   +1 more source

Global Dynamics of Certain Homogeneous Second‐Order Quadratic Fractional Difference Equation [PDF]

, 2013
Mirela Garić‐Demirović, M. R. S. Kulenović, Mehmed Nurkanović   +2 more
openalex   +1 more source

Probing Ultrafast Coherent Bandgap Modulation in Monolayer WSe2 by Nonlinear Optics

Advanced Optical Materials, EarlyView.
This work sheds light on how resonant nonlinear optics blursthe line between perturbative and non‐perturbative nonlinear optics. Measured deviationsfrom the quadratic second‐harmonic scaling near the excitonic resonance arisefrom optical Stark and Bloch‐Siegert shifts. The experimental results arefurther underpinned by analytical and numerical analysis
Sebastian Klimmer, Thomas Lettau, Laura Valencia Molina, Daniil Kartashov, Ulf Peschel, Jan Wilhelm, Dragomir Neshev, Giancarlo Soavi   +7 more
wiley   +1 more source

The solution of the nonaxisymmetric stationary problem of heat conduction for the polar-orthotropic annular plate of variable thickness with thermal insulated bases

Журнал Белорусского государственного университета: Математика, информатика, 2018
In the work is given the solution of nonaxisymmetric stationary heat conduction problem for profiled polar-orthotropic annular plates with thermally insulated bases.
Uladzimir V. Karalevich, Dmitrij G. Medvedev   +1 more
doaj  

Dynamics of a two-dimensional competitive system of rational difference equations with quadratic terms [PDF]

, 2014
Vahidin Hadžiabdić, M. R. S. Kulenović, E. Pilav   +2 more
openalex   +1 more source

Accelerating Luminescence in Nanostructures: Exploring the Physical Limits and Impact of Ultrafast Emission in Nanoscale Materials

Advanced Photonics Research, EarlyView.
This review highlights recent advances in accelerating luminescence in nanostructures through cooperative emission, resonator coupling, and nonlocal light–matter interactions. By unifying concepts such as excitonic superradiance, superfluorescence, and the plasmonic Purcell effect, it reveals physical limits of ultrafast emission and their potential ...
Masaaki Ashida, Koichi Okamoto, Takuya Matsuda, Hajime Ishihara   +3 more
wiley   +1 more source

Quadratic-Argument Approach to the Davey-Stewartson Equations [PDF]

, 2008
Xiaoping Xu
openalex   +1 more source

Bound States in the Continuum in Metasurface Absorbers: A Comparison with Metasurfaces

Advanced Photonics Research, EarlyView.
Bound states in the continuum (BICs) offer a powerful mechanism for enhancing light–matter interactions. This work systematically investigates the radiation characteristics of BICs under both transmission and reflection configurations using multipolar analysis.
Guizhen Xu, Zhanqiang Xue, Jiang Du, Longqing Cong   +3 more
wiley   +1 more source

Stable Self-Similar Blow-Up In Nonlinear Wave Equations With Quadratic Time-Derivative Nonlinearities [PDF]

Faiq Raees, Jie Liu
openalex   +1 more source