Results 41 to 50 of about 111,221 (213)

In-orbit performance of the XMM-Newton X-ray telescopes: images and spectra [PDF]

, 2001
The performance of the three X-ray telescopes on-board of XMM-Newton is evaluated addressing imaging characteristics and effective collecting area. The agreement with ground calibration data is excellent. The analysis of images and spectra of cosmic X-ray sources, emphazising supernova and supernova remnants, prooves that the telescopes are even better
arxiv   +1 more source

How Solar Soft X-Ray Irradiance Is Affected by the Size of Field of View

The Astrophysical Journal, 2023
Soft X-ray images of the Sun obtained with multiple broadband filters provide a simple and useful method to calculate averaged coronal temperature and emission measure, from which we can further calculate solar X-ray irradiance in physical units, e.g ...
Aki Takeda, Shannon Boland
doaj   +1 more source

Ultra‐Fast Non‐Volatile Resistive Switching Devices with Over 512 Distinct and Stable Levels for Memory and Neuromorphic Computing

Advanced Functional Materials, EarlyView.
A materials and device design concept that comprises a self‐assembled ultra‐thin epitaxial ion‐transporting layer, an amorphous oxide overcoat oxygen‐blocking layer, and a partial filament formed during an electroforming step is proposed for low‐current multilevel resistive switching devices.
Ming Xiao, Markus Hellenbrand, Nives Strkalj, Babak Bakhit, Zhuotong Sun, Nikolaos Barmpatsalos, Dovydas Joksas, Hongyi Dou, Zedong Hu, Ping Lu, Samip Karki, Sundar Kunwar, Jonathan D. Major, Aiping Chen, Haiyan Wang, Quanxi Jia, Adnan Mehonic, Judith L. MacManus‐Driscoll   +17 more
wiley   +1 more source

Supramolecular Gels as Active Tools for Reaction Engineering

Angewandte Chemie, EarlyView.
The unique combination of environments within gels, self‐assembled from low‐molecular‐weight gelators, offers the ability to control reactivity in new ways, achieving unique reaction outcomes, leading to the emerging concept of supramolecular gels as nanoreactors. Smart chemical engineering methods enable the use of such gels to fabricate materials and
David K. Smith
wiley   +2 more sources

The X-Ray Telescope onboard Suzaku [PDF]

Publications of the Astronomical Society of Japan, 2007
Abstract We present the design parameters, production process, and in-flight performance of the X-ray telescope (XRT) onboard Suzaku. The imaging capability is significantly improved over the ASCA XRT, which had half-power diameters of ${3\rlap {.}{}^{\mathrm {\prime }}6}$, to ${1\rlap {.}{}^{\mathrm {\prime }}8}$–${2\rlap {.}{}^{\mathrm
Takeyuki Osawa, Kensuke Suzuki, Manabu Ishida, Peter J. Serlemitsos, Hideyuki Mori, Masatoshi Ebara, Yasushi Ogasaka, Akiharu Itoh, Hideyo Kunieda, Yushi Yokoyama, Kazutami Misaki, Masaki Suzuki, Satoshi Okuma, Koujun Yamashita, Shunsaku Okada, Yoshito Haba, Ryoko Nakamura, Akira Hayakawa, Masataka Naitou, Ryo Shibata, Ryo Iizuka, Chiaki Inoue, Takashi Okajima, Keisuke Tamura, Kei Itoh, Yang Soong, H. Inoue, Yoshitomo Maeda, Yuzuru Tawara, Kai-Wing Chan, Akihiro Furuzawa, John P. Lehan, Yurni Itoh, Ren Kubota   +33 more
openaire   +2 more sources

Engineering the Metal/Oxide Interfacial O‐Filling Effect to Tailor Oxygen Spillover for Efficient Acidic Water Oxidation

Advanced Functional Materials, EarlyView.
The oxygen spillover from Ir to the oxide support with interfacial oxygen vacancies during OER is revealed. These interfacial oxygen vacancies as an oxygen transport zone not only regulate the in situ Ir catalytic structure toward boosted activity but also suppress Ir over‐oxidation via directional OH‐filling effects, thereby ensuring overall high ...
Yu Zhu, Fei Guo, Qiliang Wei, Feiyan Lai, Runzhe Chen, Jianing Guo, Manxi Gong, Shunqiang Zhang, Zichen Wang, Jun Zhong, Guanjie He, Niancai Cheng   +11 more
wiley   +1 more source

Contactless Tracking of Decomposition in Self‐Reporting Ceramic Cr‐Al‐B Coatings

Advanced Materials Interfaces, EarlyView.
Proof of concept for contactless tracking of decomposition in self‐reporting ceramic Cr‐Al‐B coatings in extreme environments by contactless resistivity measurements is demonstrated. To verify the results, high resolution in situ and ex situ methods are employed.
Peter J. Pöllmann, Sebastian Lellig, Dimitri Bogdanovski, Amir Hossein Navidi Kashani, Damian M. Holzapfel, Clio Azina, Peter Schweizer, Marcus Hans, Paula Zöll, Daniel Primetzhofer, Szilárd Kolozsvári, Peter Polcik, Johann Michler, Jochen M. Schneider   +13 more
wiley   +1 more source

Einstein Probe Discovery of EP J005245.1−722843: A Rare Be–White Dwarf Binary in the Small Magellanic Cloud?

The Astrophysical Journal Letters
On 2024 May 27, the Wide-field X-ray Telescope on board the Space Sciences, University of Chinese Academy of Einstein Probe (EP) mission detected enhanced X-ray emission from a new transient source in the Small Magellanic Cloud during its commissioning ...
A. Marino, H. N. Yang, F. Coti Zelati, N. Rea, S. Guillot, G. K. Jaisawal, C. Maitra, J.-U. Ness, F. Haberl, E. Kuulkers, W. Yuan, H. Feng, L. Tao, C. Jin, H. Sun, W. Zhang, W. Chen, E. P. J. van den Heuvel, R. Soria, B. Zhang, S.-S. Weng, L. Ji, G. B. Zhang, X. Pan, Z. Lv, C. Zhang, Z. X. Ling, Y. Chen, S. Jia, Y. Liu, H. Q. Cheng, D. Y. Li, K. Gendreau, M. Ng, T. Strohmayer   +34 more
doaj   +1 more source

Scintillation Response of 0D Cs3Cu2I5 Thin Layers to Light‐ and Heavy‐Ion Irradiation

Advanced Photonics Research, EarlyView.
Driven by increasing interest in uncovering the remarkable photoluminescence quantum yield of Cs3Cu2I5, polycrystalline thin layers are synthesized to investigate its radioluminescence response to energetic ions. Its spectroscopic capability is assessed in a wide range of ion mass and internal excitation processes are explored.
Mátyás Hunyadi, Attila Csík, Cintia Hajdu, Csaba Janáky, István Rajta, Gergely F. Samu, Lóránt Csige   +6 more
wiley   +1 more source

Radio/X-ray correlations and variability in the X-ray binary LS I +61°303 [PDF]

, 2020
The high-mass X-ray binary LS I +61{\deg}303 exhibits variability in its radio and X-ray emissions, ranging from minute to hour time-scales. At such short time-scales, not much is known about the possible correlations between these two emissions from this source, which might offer hints to their origin.
arxiv   +1 more source