Results 31 to 40 of about 13,932 (150)

Roundtrip matrix method for calculating the leaky resonant modes of open nanophotonic structures [PDF]

, 2014
We present a numerical method for calculating quasi-normal modes of open nanophotonic structures. The method is based on scattering matrices and a unity eigenvalue of the roundtrip matrix of an internal cavity, and we develop it in detail with ...
de Lasson, Jakob Rosenkrantz, Gregersen, Niels, Kristensen, Philip Trøst, Mørk, Jesper   +3 more
core   +2 more sources

Measurement of the linear thermo-optical coefficient of Ga$_{0.51}$In$_{0.49}$P using photonic crystal nanocavities

, 2017
Ga$_{0.51}$In$_{0.49}$P is a promising candidate for thermally tunable nanophotonic devices due to its low thermal conductivity. In this work we study its thermo-optical response. We obtain the linear thermo-optical coefficient $dn/dT=2.0\pm0.3\cdot 10^{-
Combrié, Sylvain, De Rossi, Alfredo, Lian, Jin, Mosk, Allard P., Sokolov, Sergei   +4 more
core   +1 more source

Scalable Upcycling of Spent Lithium‐Ion Battery Anodic Graphite to Electronic‐Grade Graphene

Advanced Science, EarlyView.
Graphite anodes from spent lithium‐ion batteries are upcycled into electronic‐grade graphene nanoplatelets for highly conductive screen printing inks (> 104 S m−1). Screen‐printed micro‐supercapacitors confirm the utility of the upcycled graphene (1.78 mF/cm2 capacitance for > 10 000 cycles). Life cycle assessment and techno‐economic analysis highlight
Janan Hui, Jenna N. Trost, Wesley Y. Chen, Maryam Khalaj, Lindsay E. Chaney, Peyton Melin, Albert L. Lipson, Jennifer B. Dunn, Mark C. Hersam   +8 more
wiley   +1 more source

Selective Catalytic Oxidation of Benzyl Alcohol to Benzaldehyde With Alkyl Allyl Carbonates and Pd(II) Allyl‐Amidinate

Helvetica Chimica Acta, EarlyView.
A Pd(II) allyl‐amidinate complex catalyzes the selective oxidation of benzyl alcohols to aldehydes using allyl alkyl carbonates as tailored, mild oxidants. The carbonate reagent acts both as oxidant and in situ base, enabling chemoselective conversion and minimizing overoxidation under mild conditions.
Christian Ehinger, Mattia Ciuoli, Barnabé Berger, Christophe Copéret   +3 more
wiley   +1 more source

Constructing a partially transparent computational boundary for UPPE using leaky modes [PDF]

, 2019
In this paper we introduce a method for creating a transparent computational boundary for the simulation of unidirectional propagation of optical beams and pulses using leaky modes. The key element of the method is the introduction of an artificial-index
Brändas E., David Juhasz, Per Kristen Jakobsen   +2 more
core   +2 more sources

Drivkraft og dynamik i de trøstende samspil i børnehaven

Nordisk Barnehageforskning
Resumé Trøst er et velkendt og centralt greb, som de voksne har i brug i børnehavens dagligliv med børnene, mens det som begreb sjældent er i brug i pædagogikken og slet ikke findes i de myndighedsdokumenter, der regulerer daginstitutionssektoren. Dette
Sissel Dahlen Fjæran, Bent Olsen
doaj   +1 more source

A carbohydrate approach for the formal total synthesis of (−)-aspergillide C

Beilstein Journal of Organic Chemistry, 2014
An enantioselective formal total synthesis of aspergillide C is accomplished using commercially available tri-O-acetyl-D-galactal employing a Ferrier-type C-glycosylation, utilizing a Trost hydrosilylation and protodesilylation as key reactions.
Pabbaraja Srihari, Namballa Hari Krishna, Ydhyam Sridhar, Ahmed Kamal   +3 more
doaj   +1 more source

The politics of impact: How political ideology shapes perceptions of the environmental impact of individual actions

Journal of Consumer Psychology, EarlyView.
Abstract Although consumers who engage in the same sustainable behaviors objectively have the same environmental impact, this research finds that people's perceptions of that impact are subjective and systematically shaped by political ideology. Seven studies demonstrate that conservatives tend to perceive their sustainable actions to have less of a ...
Aylin Cakanlar, Katherine White, Remi Trudel   +2 more
wiley   +1 more source

Congenital aniridia: European COST action ANIRIDIA‐NET guidelines for diagnosis, management and care

Acta Ophthalmologica, EarlyView.
Abstract Congenital aniridia is a rare ocular disorder affecting the majority of eye structures and can be associated with systemic manifestations. The main visible phenotypic characteristic is the partial or complete absence of the iris; however, foveal hypoplasia is a more frequent and reliable clinical sign. Other ocular comorbidities are associated
Davide Romano, Vito Romano, Alejandra Daruich, Giulio Ferrari, Matthieu Robert, Francesco Semeraro, Neil Lagali, Dominique Bremond‐Gignac, the ANIRIDIA‐NET Clinical Guidelines Working Group, Miriam Barbany, Claus Cursiefen, Stefano Ferrari, Francisco Figueiredo, Christina Grupcheva, Jesper Hjortdal, Elke Kreps, Erlend Landsend, Laura Mauring, Hilde Pedersen, Nora Szentmáry, Bogumil Wowra, the Aniridia‐Europa and Geniris Working Group, Sophie Valleix, Juan Álvarez de Toledo, James Lauderdale, Tor Paaske Utheim, Paolo Rama   +26 more
wiley   +1 more source

Not that different after all: Pro‐environmental social norms predict pro‐environmental behaviour (also) among those believing in conspiracy theories

British Journal of Psychology, EarlyView.
Abstract Social norms are powerful predictors of pro‐environmental behaviour. At the same time, conspiracy beliefs are prevalent that can reduce individuals' efforts to act pro‐environmentally and might impede the influence of social norms. Across three cross‐sectional studies in three countries (Germany, UK, US; total N = 1037), we investigated the ...
Kevin Winter, Lotte Pummerer, Kai Sassenberg   +2 more
wiley   +1 more source