Results 81 to 90 of about 16,821,719 (299)

Atom Probe Tomography as an Emerging Tool for Understanding Defect‑Driven Mechanisms in HfO2‑Based Ferroelectrics

Advanced Functional Materials, EarlyView.
This Perspective highlights atom probe tomography as a powerful tool for understanding the atomic‐scale defect chemistry in HfO2‐based ferroelectrics. 3D mapping of dopants, point defects, and interface chemistry can provide new insight into defect‐driven mechanisms underpinning the ferroelectricity in the system and guide the design of more reliable ...
Kasper Hunnestad, Catherine Dubourdieu, Alexei Gruverman, Dennis Meier   +3 more
wiley   +1 more source

Detection of Oscillations in a Type I X-Ray Burst of 4U 0614+091 with SVOM/ECLAIRs

The Astrophysical Journal Letters
On 2025 January 10, a thermonuclear (Type I) X-ray burst from the neutron star low-mass X-ray binary (LMXB) 4U 0614+091 was detected with the ECLAIRs instrument on board the Space-based multiband astronomical Variable Object Monitor mission.
Sébastien Le Stum, Floriane Cangemi, Alexis Coleiro, Sébastien Guillot, Jérôme Chenevez, Philippe Bacon, Nicolas Bellemont, Laurent Bouchet, Tristan Bouchet, Cécile Cavet, Bertrand Cordier, Antoine Foisseau, Olivier Godet, Andrea Goldwurm, Xuhui Han, Cyril Lachaud, Zhaosheng Li, Huali Li, Yulei Qiu, Jérôme Rodriguez, Wenjun Tan, Lian Tao, Lauryne Verwaerde, Chenwei Wang, Jing Wang, Jianyan Wei, Chao Wu, Wenjin Xie, Liping Xin, Shaolin Xiong, Shuangnan Zhang, Shijie Zheng   +31 more
doaj   +1 more source

Excitation of Neutron Star f-mode in Low Mass X-ray Binaries [PDF]

Journal of Physics: Conference Series, 2006
Neutron Stars (NSs) present a host of pulsation modes. Only a few of them, however, is of relevance from the gravitational wave (GW) point of view. Among the various possible modes the pulsation energy is mostly stored in the f-mode in which the fluid parameters undergo the largest changes.
J C N de Araujo, O D Miranda, O D Aguiar
openaire   +1 more source

Binary‐to‐Ternary Reconfigurable Transistors Using Plasma‐Assisted MoS2

Advanced Functional Materials, EarlyView.
A binary‐to‐ternary reconfigurable transistor is demonstrated using a dual‐gated molybdenum disulfide homojunction with localized O2 plasma treatment. The device exhibits on/intermediate and intermediate/off current ratios of 102 and 104, respectively, and the intermediate state is electrically tunable in the ternary mode.
Yeonghyeon Ko, Jungi Song, Minsu Kim, Yongwook Seok, Seongje Moon, Kenji Watanabe, Takashi Taniguchi, Kayoung Lee   +7 more
wiley   +1 more source

Equilibria and oscillations of magnetised neutron stars

, 2010
We investigate equilibrium configurations and oscillation spectra of neutron stars,modelled as rotating magnetised fluid bodies in Newtonian gravity. We also explorethe idea that these model neutron stars could have dynamics analogous to rigid-bodyfree ...
Lander, Samuel Kenneth
core   +1 more source

Dual Perspectives on GX 17+2: A Simultaneous NICER and NuSTAR Study

The Astrophysical Journal
We performed the first simultaneous NICER and NuSTAR spectral and timing study of the Sco-like Z source GX 17+2. The source traced the full Z track during four observations.
Malu Sudha, Renee M. Ludlam, Jeroen Homan, Dacheng Lin, Benjamin Coughenour, Edward M. Cackett   +5 more
doaj   +1 more source

Insight-HXMT Detections of Hard X-Ray Tails in Scorpius X-1

The Astrophysical Journal, 2023
Using the observations of the high-energy detector of the Hard X-ray Modulation Telescope (Insight-HXMT) for Scorpius X-1 from 2017 to 2020, we search for hard X-ray tails in the X-ray spectra in ∼30–200 keV. The hard X-ray tails are found throughout the
G. Q. Ding, J. L. Qu, L. M. Song, Y. Huang, S. Zhang, Q. C. Bu, M. Y. Ge, X. B. Li, L. Tao, X. Ma, Y. P. Chen, L. Zhang, W. M. Yan, Y. L. Tuo, Y. C. Fu, S. H. Xiao, Z. X. Yang, H. X. Liu   +17 more
doaj   +1 more source

Reflecting on accretion in neutron star low-mass X-ray binaries

Astrophysics and Space Science
Neutron star low-mass X-ray binaries accrete via Roche-lobe overflow from a stellar companion that is $\lesssim$ 1 M$_{\odot}$. The accretion disk in these systems can be externally illuminated by X-rays that are reprocessed by the accreting material into an emergent reflection spectrum comprised of emission lines superimposed onto the reprocessed ...
openaire   +2 more sources

Quark stars in Low-Mass X-ray Binaries: for and against

, 2000
It has been suggested that both X-ray bursters and millisecond radio pulsars may be strange (quark) stars, rather than neutron stars. Confirming (or rejecting) this suggestion may require knowing what role strong-field effects of general relativity play in the accretion flow of the compact X-ray source in low-mass X-ray binaries (LMXBs). We discuss the
openaire   +2 more sources

Mechanical Programming of PEGDA‐β‐CD Polyrotaxane‐Based Hydrogels via Host–Guest Molecular Recognition

Advanced Functional Materials, EarlyView.
A mechanically programmable hydrogel for tissue engineering is developed by modulating the molecular threading density of poly(ethylene glycol) diacrylate‐β‐cyclodextrin (PEGDA‐β‐CD) polyrotaxane and combining it with β‐CD‐modified gelatin. The polyrotaxane‐guided transition from disordered pores to laminar microstructures enables precise tuning ...
Shiyi Chen, Xudan Xing, Haopu Su, Dominik Voll, Xiaohe Xu, Jiafeng Wan, Tongtong Cui, Christian W. Schmitt, Stefan Bräse, Peng Li, Patrick Théato   +10 more
wiley   +1 more source