Results 61 to 70 of about 16,167 (173)

Impact of Ion Migration on the Performance and Stability of Perovskite‐Based Tandem Solar Cells

Advanced Energy Materials, Volume 14, Issue 48, December 27, 2024.
Are tandem solar cells truly hysteresis‐free? This study reveals that mobile ions in Si/perovskite and all‐perovskite TSCs cause efficiency losses and hysteresis, especially at fast scan rates. Subcell current‐voltage characterization quantifies ionic losses in specific subcells and demonstrates the dominant impact of these losses for degradation ...
Sahil Shah, Fengjiu Yang, Eike Köhnen, Esma Ugur, Mark Khenkin, Jarla Thiesbrummel, Bor Li, Lucas Holte, Sebastian Berwig, Florian Scherler, Paria Forozi, Jonas Diekmann, Francisco Peña‐Camargo, Marko Remec, Nikhil Kalasariya, Erkan Aydin, Felix Lang, Henry Snaith, Dieter Neher, Stefaan De Wolf, Carolin Ulbrich, Steve Albrecht, Martin Stolterfoht   +22 more
wiley   +1 more source

Multi-messenger Observations of a Binary Neutron Star Merger [PDF]

, 2017
On 2017 August 17 a binary neutron star coalescence candidate (later designated GW170817) with merger time 12:41:04 UTC was observed through gravitational waves by the Advanced LIGO and Advanced Virgo detectors.
Andeen, Karen
core   +1 more source

Distributed Feedback Lasing in Thermally Imprinted Phase‐Stabilized CsPbI3 Thin Films

Advanced Functional Materials, Volume 34, Issue 45, November 5, 2024.
The first distributed feedback (DFB) laser based on a CsPbI3 thin film is fabricated by thermal nanoimprint. The additive polyvinyl pyrrolidone (PVP) ensures phase stability of the CsPbI3 even under the conditions of thermal imprint. The DFB lasers achieve a low lasing threshold of 45 µJ cm−2 and tunable emission in the deep red spectral region ...
Naho Kurahashi, Manuel Runkel, Cedric Kreusel, Maximilian Schiffer, Timo Maschwitz, Timo Kraus, Kai Oliver Brinkmann, Ralf Heiderhoff, Maximilian Buchmüller, Sven Oliver Schumacher, Julius Brunner, Detlef Rogalla, Sercan Özen, Felix Lang, Yana Vaynzof, Patrick Görrn, Thomas Riedl   +16 more
wiley   +1 more source

Search for lepton flavour violation in the eμ continuum with the ATLAS detector in √s = 7 TeV pp collisions at the LHC [PDF]

, 2012
This paper presents a search for the t-channel exchange of an R-parity violating scalar top quark (t) in the e^± μ^∓ continuum using 2.1 fb^(−1) of data collected by the ATLAS detector in √s = 7 TeV pp collisions at the Large Hadron Collider.
Franklin, Melissa, Huth, John, Jeanty, L, Kagan, M, Mercurio, Kevin, Morii, Masahiro, Zevi Della Porta, G   +6 more
core   +2 more sources

Unveiling the Nanomorphology of HfN thin Films by Ultrafast Reciprocal Space Mapping

Advanced Optical Materials, Volume 12, Issue 26, September 12, 2024.
Hafnium Nitride (HfN) is a robust alternative to gold for applications of nanoscale metals. Depth‐resolving ultrafast reciprocal space mapping (URSM) is used to unveil the nanomorphology of thin HfN films, which are composed of twofold crystalline grains with equal lattice constant but different size. This influences their optical properties and future
Steffen Peer Zeuschner, Jan‐Etienne Pudell, Maximilian Mattern, Matthias Rössle, Marc Herzog, Andrea Baldi, Sven H. C. Askes, Matias Bargheer   +7 more
wiley   +1 more source

Nature in Seclusion. The Monastic Republic of Letters in Southern Germany**

Berichte zur Wissenschaftsgeschichte, Volume 47, Issue 3, Page 215-241, September 2024.
Abstract Monasteries were famous for their extensive libraries and richly decorated churches. Less well known are their observatories and their mathematical‐physical collections with telescopes, air pumps, and friction machines. But how did the way of life in the monastery and scientific practices influence each other?
Julia Bloemer
wiley   +1 more source

Statistical parameter inference of bacterial swimming strategies

New Journal of Physics, 2018
We provide a detailed stochastic description of the swimming motion of an E.coli bacterium in two dimension, where we resolve tumble events in time.
Maximilian Seyrich, Zahra Alirezaeizanjani, Carsten Beta, Holger Stark   +3 more
doaj   +1 more source

An Accretion Flare Interpretation for the Ultra-high-energy Neutrino Event KM3-230213A

The Astrophysical Journal Letters
We study the origin of the ultra−high-energy (UHE) neutrino event KM3-230213A detected by KM3NeT, focusing on MRC 0614−083, which has been pinpointed as the closest blazar to the neutrino localization exhibiting variable multiwavelength emission. A joint
Chengchao Yuan, Leonard Pfeiffer, Walter Winter, Jose Maria Sanchez Zaballa, Sara Buson, Federico Testagrossa, Alessandra Azzollini   +6 more
doaj   +1 more source

Quiet, but not silent

Astronomy & Astrophysics
As the only known unambiguous star in a Maunder minimum-like chromospheric activity state, the properties of HD 166620 can provide valuable insight into the behaviour of the Sun during the historic extended low-states of its activity cycle. The coronal X-
Bennedik M. M., Stelzer B., Isaacson H., Binks A., Caramazza M., Haberl F.   +5 more
doaj   +1 more source

Dispersion relations in application to chiral two-nucleon dynamics

EPJ Web of Conferences, 2014
A novel scheme based on the chiral Lagrangian is applied to the nucleon-nucleon interaction close to threshold. Subthreshold partial-wave amplitudes are calculated in chiral perturbation theory and analytically extrapolated above threshold.
Gasparyan A.M., Lutz M.F.M., Epelbaum E.
doaj   +1 more source