Results 101 to 110 of about 37,054 (216)

Sliding Ferroelectricity Driven Spin‐Layertronics in Altermagnetic Multilayers

open access: yesAdvanced Science, EarlyView.
Integrating sliding ferroelectricity with altermagnetism enables nonvolatile electrical control of spin and layer degrees of freedom. In bilayer CuF2, interlayer translation reverses layer‐locked spin‐split bands, establishing a multifunctional “spin‐layertronic” platform.
Rui Peng   +5 more
wiley   +1 more source

Study on the Reaction Mechanism of RuOx and Its Enhanced Hydrogen Evolution Reaction Activity

open access: yesAdvanced Science, EarlyView.
In situ Raman spectroscopy and DFT calculations reveal that, prior to the onset of HER, the surface of RuOx undergoes reversible reduction and structural reconstruction. The resulting Ru(II)O/Ru(IV)O2 configuration is identified as the true catalytically active species.
Liquan Zhang   +9 more
wiley   +1 more source

التقنية والمسألة الأخلاقية assistant Professor associate Professor Professor associate Professor Professor

open access: yes
شهد العالم في نهايات القرن العشرين وبداية القرن الحالي ثورة تقنية غير مسبوقة قلبت الكثير من التصورات القائمة حتى الآن عن العالم من حولنا. وما كان غير قابل للتصور أصبح الآن من البديهيات في تعاملاتنا اليومية، وأصبح ما يحدث في أي مكان من العالم يؤثر على أصغر بقعة على الأرض.
openaire   +1 more source

الحاضر الغائب Editor of ArabiXiv assistant Professor associate Professor Professor associate Professor Professor

open access: yes
تغير وسائل الإعلام واقعنا وعلاقاتنا حيث نعيش بشكل متزايد في عالم، هو في الحقيقة "في مكان آخر". فالتلفاز والراديو و الفيديو والحاسب والانترنت والبريد الإلكتروني يقربون منا الغياب، ويعمون عن الواقع المباشر.
Khaled Moustafa, Samer Rudwan
openaire   +1 more source

Bidirectional Disulfide Metathesis Enables Recycling of High‐Performance Thermoset Networks

open access: yesAdvanced Science, EarlyView.
A cyclic aromatic disulfide comonomer enables dual‐mode recyclable pDCPD thermosets through bidirectional disulfide metathesis. The resulting networks combine enhanced mechanical performance with thermal reprocessability and chemical depolymerization into reusable oligomeric fragments, allowing regeneration of high‐performance thermosets with minimal ...
Bohan Li   +8 more
wiley   +1 more source

Anisotropic Memristive Switching in NbOCl2 Enabled by Directional Oxygen Ion Migration

open access: yesAdvanced Science, EarlyView.
This study investigates strongly orientation‐dependent memristive switching in anisotropic NbOCl2, observed exclusively along the in‐plane c‐axis. The switching originates from direction‐selective oxygen‐ion migration and vacancy propagation that modulate the Pd/NbOCl2 Schottky barrier, enabling short‐term plasticity.
Caokun Wang   +6 more
wiley   +1 more source

Bistable Networks Enable Complex Shape Changes

open access: yesAdvanced Science, EarlyView.
Transition‐controlled metamaterials are networks of bistable mechanical memory that store local binary states and express them as global shape change. By decoupling low‐force programming from high‐force holding, a single lattice is reconfigured into distinct 2D profiles and 3D surfaces without continuous actuation, enabling reusable morphing materials ...
Sawyer Thomas, Jeffrey Lipton
wiley   +1 more source

Photo‐Gated Corona Microfluidics

open access: yesAdvanced Science, EarlyView.
Photo‐gated corona microfluidics decouples optical programming from electric‐field actuation to enable reconfigurable manipulation on open, electrode‐pattern‐free surfaces. Near‐infrared irradiation locally melts paraffin, creating a reversible charge‐relaxation pathway that reconstructs the electric field.
Xiaxia Cui   +9 more
wiley   +1 more source

مفهوم الذات والإنجاز (2) assistant Professor associate Professor Professor associate Professor Professor

open access: yes
نمط النتيجة بالنظر إلى مسألة السيطرة السببية لمفهوم الذات أو الإنجاز المدرسي غير متسق بشكل كبير. وفي حين أن بعض الدراسات دعمت إما "نمو المهارات" أو "تعزيز الذات"، وجدت دراسات أخرى علاقات متبادلة بين كلتا المتغيرتين. وأخيراً كان هناك بعض الأعمال القليلة التي تشير إلى وجود تأثيرات ارتدادية ذاتية auto-regressiveو من ثم لم تجد علاقات عرضانية بين مفهوم ...
openaire   +1 more source

Justify Your Alpha Assistant Professor Associate Professor Professor of Experimental Psychology Associate professor Assistant professor Assistant professor

open access: yes
In response to recommendations to redefine statistical significance to p ≤ .005, we propose that researchers should transparently report and justify all choices they make when designing a study, including the alpha level.
Daniel Lakens   +9 more
openaire   +1 more source

Home - About - Disclaimer - Privacy