Results 191 to 200 of about 5,632 (290)

Control of Uniaxial Negative Thermal Expansion in Layered Perovskites by Tuning Layer Thickness. [PDF]

Front Chem, 2018
Ablitt C, Mostofi AA, Bristowe NC, Senn MS.   +3 more
europepmc   +1 more source

Epitaxial Bi2O2Se/Bi2O5Se Thin Films: Revealing Electric‐Field‐Driven Oxidation and Resistive Switching Dynamics for Advanced Memory Devices

Advanced Science, EarlyView.
Bi2O2Se/Bi2O5Se bilayer heterostructure exhibits reversible structural evolution during device operation, directly revealed by atomic‐scale investigation. Oxygen vacancy redistribution governs filament formation and rupture, enabling stable multilevel resistive switching and synaptic‐like behaviors.
Yen‐Jung Chen, Yong‐Jyun Wang, Zi‐Qin Hong, Chien‐Hua Wang, Yi‐Ning Wang, Jia De Cheng, Chun‐Wei Huang, Ying‐Hao Chu, Wen‐Wei Wu   +8 more
wiley   +1 more source

Trifunctional Kinetic Regulation Enables Low‐Defect Solution Grown Single Crystals for X‐Ray Detection

Advanced Science, EarlyView.
This work presents a molecular‐level kinetic regulation strategy employing iodoacetic acid (IAA) to simultaneously suppress point defects and solvent inclusion in solution‐grown Cs4PbI6 single crystals. The obtained crystals demonstrate significantly enhanced charge transport properties, enabling X‐ray detectors with high sensitivity, low noise, and ...
Hui Zhang, Zihan Wang, Zhenyu Wang, Changmao Wan, Zheng Liang, Huifen Xu, Yuanbo Ma, Yupeng Liu, Xu Pan, Jiajiu Ye   +9 more
wiley   +1 more source

Self‐Assembly Ordered Layered Gels for Thermochromic Smart Windows With Excellent Electromagnetic Shielding Properties

Advanced Science, EarlyView.
Metal‐ion‐coupled self‐assembled layered gels were prepared using a simple sol–gel method, successfully integrating electromagnetic shielding and thermochromic functions into the material. SCa‐1, which exhibits the best overall performance, achieves an electromagnetic shielding efficiency of up to 72.49 dB, while maintaining a visible light ...
Shusheng Wang, Zijing Li, Shengchong Hui, Hongjing Wu, Shanshan Liang, Fusong Yuan, Limin Zhang   +6 more
wiley   +1 more source

Design of magnetic spirals in layered perovskites: Extending the stability range far beyond room temperature. [PDF]

Sci Adv, 2018
Shang T, Canévet E, Morin M, Sheptyakov D, Fernández-Díaz MT, Pomjakushina E, Medarde M.   +6 more
europepmc   +1 more source

Cobalt Single‐Atom Catalysts for Ultrafast Sulfamethoxazole Degradation: Unveiling the Chloride‐Ion‐Enhanced Formation of Co(IV)=O

Advanced Science, EarlyView.
An atomically dispersed Co–N4 single‐atom catalyst rapidly activates peroxymonosulfate to remove the antibiotic sulfamethoxazole from water. Common ions have little impact, but chloride dramatically speeds degradation by promoting a high‐valent Co(IV) = O oxidant via in situ HOCl–catalyst electron transfer.
Anting Ding, Jing Lu, Yafei Fan, Chenyu Zeng, Yuhang Lin, Yufei Shi, Zulin Zhang   +6 more
wiley   +1 more source

Structural rigidity, thermochromism and piezochromism of layered hybrid perovskites containing an interdigitated organic bilayer

Layered hybrid perovskites are intensively researched today as highly tunable materials for efficient light harvesting and emitting devices. In classical layered hybrid perovskites, the structural rigidity mainly stems from the crystalline inorganic ...
Deutsch, Maxime, Quarti, Claudio, La Magna, PaolaWE060002311698918020044638540009-0006-8746-467755a8d542-5801-11ee-a994-8a84eac85f49, Vanderzande, Dirk, Banks, Peter, Lutsen, Laurence, Van Hecke, KristofWE068020010422790000-0002-2455-88563B0D5FAE-F0EE-11E1-A9DE-61C894A0A6B4, Pillet, Sébastien, Cerdá, Jesús, Van Gompel, Wouter T. M., Vandewal, Koen, Maufort, Arthur, Van Landeghem, Melissa, Beljonne, David   +13 more
core  

Synergized Tri‐Phase Anode via Purposive Ba2+ Doping at the La3+ Site in LaFe0.7Ni0.3O3‐δ for Improved SOFC Performance

Advanced Science, EarlyView.
Purposive doping of low electronegative Ba2+ (0.89) at La3+ (1.1) site in LaFe0.7Ni0.3O3‐δ induces the formation of a tri‐phase composite, which shortens Fe─O bond and lowers activation energy, thereby significantly improves electrical conductivity and catalytic activity, and finally offers a record‐high peak power density in La0.5Ba0.5Fe0.7Ni0.3O3‐δ ...
Qian Yang, Shuaihang Chen, Yongli Peng, Xuelong Li, Xiaojian Pan, Fang Wang, Nanya Long, Li Li, Yilin Wang, Lina Su, Yuesong Shen, Ling Huang   +11 more
wiley   +1 more source

Unity Quantum Yield of High‐Entropy Quantum Dots Composited With Photonic Crystals for Information Encryption

Advanced Science, EarlyView.
This study first extends the high‐entropy concept to I‐III‐VI quantum dots (QDs) and synthesizes CZCrGSe/ZnSe/ZnS core/shell/shell QDs with a record photoluminescence quantum yield (PLQY) of 100%. Their ZnSe/ZnS double shell efficiently passivates defects and boosts structural stability.
Maoyuan Huang, Ziqiang Tian, Binkun Xie, Haiyang Li, Bo Tan, Chang He, Shiliang Mei, Wanlu Zhang, Changchun Wang, Ruiqian Guo   +9 more
wiley   +1 more source

Naturally layered perovskite heterostructures

Os compostos magnetoelétricos (ME) à temperatura ambiente (TA) são promissores para aplicações em eletrónica eficiente, no entanto, a sua produção em multicamadas é difícil e dispendiosa. As perovskites em camadas naturais, como as fases Ruddlesden-Popper, oferecem uma alternativa promissora.
openaire   +1 more source