Results 101 to 110 of about 6,010 (239)
Ultrasensitive Anti‐Stokes Luminescence Thermometry in Transition Metal Dichalcogenide Monolayers
Advanced Functional Materials, EarlyView.We demonstrate a highly sensitive nanothermometer using anti‐Stokes photoluminescence, also known as photoluminescence upconversion (UPL), in monolayer tungsten disulfide. A strong resonantly enhanced UPL is observed, confirming the central role of optical phonons in the PL upconversion mechanism.
Sharada Nagarkar +6 more
wiley +1 more source
Pointwise Remez- And Nikolskii-Type Inequalities For Exponential Sums [PDF]
, 2014 ... n∑ aje λ} jt, aj,λj ∈ R. j=1 So En is the collection of all n+1 term exponential sums with constant first term. We prove the following two theorems. Theorem 1 (Remez-Type Inequality for En at 0). Let s ∈ ( 0, 1]. There are 2 absolute constants c1>
Peter Borwein, Tamás Erdélyi
core
Unraveling the Electronic Structure of Silicon Vacancy Centers in 4H‐SiC
Advanced Functional Materials, EarlyView.The electronic structure of the silicon vacancy in 4H‐SiC is probed via transient absorption spectroscopy, uncovering previously inaccessible excited states of the quartet and doublet spin channels, including the V2' transition. In combination with theoretical analysis, a comprehensive picture of the electronic structure is established.
Ali Tayefeh Younesi +9 more
wiley +1 more source
Stochastic orders of the sums of two exponential random variables [PDF]
The sums of two exponential random variables are compared in the sense of likelihood ratio order. It is shown that, under some conditions, their likelihood ratio order does not exist and, if it exists, the complete comparison results can be determined ...
Chang, Kuo-Hwa
core
Advanced Functional Materials, EarlyView.This article details the development of an artery‐on‐chip platform for in vitro arterial disease modeling and therapeutic discovery. It describes the fabrication of a fibrin biomaterial scaffold seeded with iPSC‐derived smooth muscle and endothelial cells, mimicking native artery properties. Two genetic disease models showcase the platform's ability to
Danielle Yarbrough +10 more
wiley +1 more source
One kind two-term exponential sums weighted by third-order character
AIMS Mathematics<abstract><p>We give a correction to the previous paper of S. F. Cao and T. T. Wang (2021). Additionally, provide a conversion formula of the power mean of a certain exponential sums weighted by a Dirichlet character $ \chi_{3} $ and some of its applications.</p></abstract>
Guohui Chen, Wenpeng Zhang
openaire +2 more sources
Advances in Sustainable and Wearable Textile Based Soft Robotics
Advanced Functional Materials, EarlyView.This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas +6 more
wiley +1 more source
Advanced Functional Materials, EarlyView.Ferroelectric domain variants that are energetically equivalent are expected to remain preserved during polarization reversal. However, phase‐field simulations reveal that inclined domain walls in relaxor ferroelectrics can undergo irreversible elimination during alternating current poling through a proximity effect driven by long‐range elastic ...
Yuan‐Jie Sun +2 more
wiley +1 more source
On Distribution of Exponential Sums in Fields of Characteristic Two [PDF]
, 2007 Distribution of the values of exponential sums in finite fields of characteristic two is considered. We derive upper bounds on the individual components of this distribution.
Simon Litsyn, Ilia Krasikov
core