Results 271 to 280 of about 5,007,076 (313)
Advanced Functional Materials, EarlyView.Permanent magnets derive their extraordinary strength from deep, universal electronic‐structure principles that control magnetization, anisotropy, and intrinsic performance. This work uncovers those governing rules, examines modern modeling and AI‐driven discovery methods, identifies critical bottlenecks, and reveals electronic fingerprints shared ...
Prashant Singh
wiley +1 more source
Conductance‐Dependent Photoresponse in a Dynamic SrTiO3 Memristor for Biorealistic Computing
Advanced Functional Materials, EarlyView.A nanoscale SrTiO3 memristor is shown to exhibit dynamic synaptic behavior through the interaction of local electrical and global optical signals. Its photoresponse depends quantitatively on the conductance state, which evolves and decays over tunable timescales, enabling ultralow‐power, biorealistic learning mechanisms for advanced in‐memory and ...
Christoph Weilenmann +8 more
wiley +1 more source
Trap‐Assisted Transport and Neuromorphic Plasticity in Lead‐Free 2D Perovskites PEA2SnI4
Advanced Functional Materials, EarlyView.An artificial retina built from lead‐free layered perovskite (PEA)2SnI4 converts light input into a persistent photocurrent and sums successive flashes over time. Micro/nanocrystals integrated on electrodes act as synapse‐like pixels that perform temporal integration directly in hardware. This in‐sensor preprocessing merges detection and computation on
Ofelia Durante +17 more
wiley +1 more source
Dual‐Ligand Metal‐Organic Frameworks via In Situ Amidoxime Engineering for Selective Ion Separation
Advanced Functional Materials, EarlyView.Inspired by microbial ion‐trapping mechanisms, a mild and universal strategy is developed to construct highly porous amidoxime‐functionalized MOFs. DFT calculations and molecular force measurements reveal that the dual‐ligand amidoxime configuration significantly strengthens Ga(III) affinity.
Zhifang Lv +9 more
wiley +1 more source
Cosmological Imprints of the Second Law of Thermodynamics
, 2008 Hyeong-Chan Kim +2 more
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2021
Abstract Why are so many large-scale processes irreversible, happening in one direction but not the other as time passes? This chapter answers that question using three simple model systems: a collection of two-state particles such as flipped coins or elementary magnetic dipoles; the Einstein model of a solid as a collection of identical
openaire +2 more sources
Abstract Why are so many large-scale processes irreversible, happening in one direction but not the other as time passes? This chapter answers that question using three simple model systems: a collection of two-state particles such as flipped coins or elementary magnetic dipoles; the Einstein model of a solid as a collection of identical
openaire +2 more sources
1990
It is common experience that watches run down, bouncing balls stop bouncing, and even the most perfectly designed and crafted engine will eventually cease operating. This universal tendency toward stasis is the essence of the second law of thermodynamics.
Peter R. Bergethon, Elizabeth R. Simons
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It is common experience that watches run down, bouncing balls stop bouncing, and even the most perfectly designed and crafted engine will eventually cease operating. This universal tendency toward stasis is the essence of the second law of thermodynamics.
Peter R. Bergethon, Elizabeth R. Simons
openaire +1 more source
2013
Contents The recognition of spontaneous change 595 Brief illustration 59.1: Spontaneous changes 595 Brief illustration 59.2: The Kelvin statement 596 The direction of spontaneous change 596 Brief ...
Peter Atkins +2 more
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Contents The recognition of spontaneous change 595 Brief illustration 59.1: Spontaneous changes 595 Brief illustration 59.2: The Kelvin statement 596 The direction of spontaneous change 596 Brief ...
Peter Atkins +2 more
openaire +1 more source