Results 181 to 190 of about 12,752 (218)

Oxygen Partial Pressure as a Kinetic Descriptor for Single‐Crystal Morphology in Mid‐Nickel Layered Cathodes

Advanced Science, EarlyView.
Scalable synthesis of single‐crystal mid‐nickel cathodes demands precise kinetic control over competing densification and grain growth. Oxygen partial pressure emerges as a quantitative descriptor of effective grain‐boundary mobility, acting through changes in the apparent sintering activation barrier.
Hyeonho Park, Sushil Kumar, Sangbeom Kim, Ho Choi, Youngmin Jeon, Taeju Bak, Jisook Hong, M. P. Gururajan, Youngjin Kim, Kyoungdoc Kim   +9 more
wiley   +1 more source

Unraveling the Effects of Depolarization in Ultrathin Barium Titanate

Advanced Science, EarlyView.
This article employs synchrotron‐based spectroscopy, time‐resolved electrical measurements, and phase‐field simulations to establish reverse‐domain formation as the mechanism of polarization loss in ultrathin BaTiO3${\rm BaTiO}_3$ films as a critical obstacle to low‐voltage ferroelectric devices.
Thomas Lee, Prabhat Kumar, Christoph Klewe, Pravin Kavle, Padraic Shafer, Zhi (Jackie) Yao, Lane W. Martin   +6 more
wiley   +1 more source

Hardware Acceleration of Stochastic Neural Networks Enabled by Bit‐Cell Level Co‐Design of Magnetic Tunnel Junctions

Advanced Science, EarlyView.
An MTJ‐based probabilistic processing‐in‐memory architecture unites nonvolatile storage, local entropy generation, and stochastic computation within each memory cell. Stored multi‐bit weights are converted directly into programmable stochastic bitstreams, enabling neural‐network inference, adaptive Ising optimization, and uncertainty‐aware Bayesian ...
Qiuyuan Wang, Dooyong Koh, Brooke McGoldrick, Tudor Mocioi, Yabin Fan, Marc Baldo, Luqiao Liu   +6 more
wiley   +1 more source

Mode‐Resolved Phonon Dynamics Under Chemical Pressure in SnTe Thermoelectrics

Advanced Science, EarlyView.
Chemical pressure reshapes low‐energy optical phonons in SnTe, altering their dispersion and scattering with heat‐carrying acoustic modes. Positive and negative pressure states modify phonon frequencies and lifetimes in distinct ways, revealing how mode‐selective lattice perturbations regulate acoustic–optical interactions and suppress lattice thermal ...
Zhihao Li, Jianhong Hu, Panpan Peng, Peng Cao, Hui Zhang, Yujie Zong, Yanhui Wu, Hongchao Wang   +7 more
wiley   +1 more source

Nanoscale Buried Interface Control in Silicone Hydrogels Enables a Biointerface Engineering Platform

Advanced Science, EarlyView.
A hydrophilic coating with controllable nanoscale thickness is applied to commercial silicone hydrogel contact lenses. By combining comprehensive multi‐modal three‐dimensional characterization with an advanced algorithm, the thickness and chemical information of these multilayered structures are resolved.
Po‐Hsiang Chen, Jia‐Hua Wang, Ching Chen, Shih‐Hsuan Fu, Rajan Deepan Chakravarthy, Hsin‐Chieh Lin   +5 more
wiley   +1 more source

Molecular Rectification: Mechanisms, Modulation Strategies, and Device Realization

Advanced Science, EarlyView.
This review focuses on molecular rectification, from its fundamental mechanisms and modulation strategies to device realization. It summarizes the theoretical framework, modulation strategies, fabrication techniques, characterization methods, and modeling and simulation of molecular rectifiers, while discussing challenges and future directions for ...
Junnan Guo, Shufan Song, Wenhui Fang, Jifeng Tang, Wenhao Li, Weikang Wu, Shishen Yan, Hui Li, Lishu Zhang   +8 more
wiley   +1 more source

Microstructure Evolution in Dry‑Coated Sulfidic All‐Solid‐State Battery Cathodes: Investigating Core–Shell Particle Morphology

Advanced Science, EarlyView.
Mixing method directly governs interface engineering and electrode morphology during the dry coating of all‐solid‐state battery cathodes. While high‐shear batch mixing yields poor electrode quality and lacks core–shell‐like features, continuous extruder mixing enables strong binder fibrillation and a core–shell‐like coating between the active material ...
Michael Wolf, Aaron Stoeckle, Rebecca Wilhelm, Maximilian A. Plass, Milad Hosseini, Johannes Kriegler, Korbinian Huber, Simon Lux   +7 more
wiley   +1 more source

Skyrmion Bubbles by Design in a Centrosymmetric Kagome Magnet

Advanced Science, EarlyView.
Chemical tuning of magnetocrystalline anisotropy in the centrosymmetric kagome magnet TmMn6Sn6 is shown to drive a spin reorientation transition via an intermediate magnetic fan state and to stabilize an emergent skyrmion bubble lattice. Four‐dimensional cryogenic Lorentz scanning transmission electron microscopy confirms the nanoscale texture ...
Mohamed El Gazzah, Fehmi Sami Yasin, Sk Jamaluddin, Hari Bhandari, Resham Babu Regmi, Xiuzhen Yu, Nirmal J. Ghimire   +6 more
wiley   +1 more source

Pseudo‐Haptic Feedback: Multi‐Modal Approaches to Stiffness Perception and User Experience

Advanced Science, EarlyView.
Can visual deformation substitute for physical haptic feedback? In immersive VR, deformation‐based pseudo‐haptics enables stiffness discrimination comparable to wearable force feedback, while their combination yields the highest performance and presence without increasing workload.
Mehmet Ege Cansev, Xiaodong Sun, Gionata Salvietti, Domenico Prattichizzo, Philipp Beckerle   +4 more
wiley   +1 more source

Decolonisation and Self-Regulation as Alternative Paths to Data Science Health Research Governance in Africa. [PDF]

Wellcome Open Res
Maduka OC, Akintola SO.
europepmc   +1 more source