Results 51 to 60 of about 1,558 (181)

Ultrafast long-range spin-funneling in solution-processed Ruddlesden–Popper halide perovskites

Nature Communications, 2019
Spin-information transport or transfer is essential for spintronics applications and often relies on high purity and quality materials. Here, the authors report on the defect-tolerant solution-processed Ruddlesden–Popper halide perovskites, where a spin ...
David Giovanni, Jia Wei Melvin Lim, Zhongcheng Yuan, Swee Sien Lim, Marcello Righetto, Jian Qing, Qiannan Zhang, Herlina Arianita Dewi, Feng Gao, Subodh Gautam Mhaisalkar, Nripan Mathews, Tze Chien Sum   +11 more
doaj   +1 more source

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

Applying Configurational Complexity to the 2D Ruddlesden–Popper Crystal Structure [PDF]

ACS Nano, 2020
The 2D layered Ruddlesden-Popper crystal structure can host a broad range of functionally important behaviors. Here we establish extraordinary configurational disorder in a two dimensional layered Ruddlesden-Popper (RP) structure using entropy stabilization assisted synthesis.
Wenrui Zhang, Alessandro R. Mazza, Elizabeth Skoropata, Debangshu Mukherjee, Brianna Musico, Jie Zhang, Veerle M. Keppens, Lihua Zhang, Kim Kisslinger, Eli Stavitski, Matthew Brahlek, John W. Freeland, Ping Lu, Thomas Z. Ward   +13 more
openaire   +3 more sources

Outstanding TC Enhancement in 5d–3d Y2NiIrO6 by Compression

Advanced Science, EarlyView.
Double perovskite Y2NiIrO6 with half filed 3d eg–5d t2g configuration, exhibits first experimental example of pressure‐enhanced magnetic interaction in iridate and iridate‐related systems. Its Curie temperature increase from 192 to 243 K at 17 GPa. Herein, the orthogonal eg–t2g pathway remains robust even under compression‐induced lattice distortion ...
Zheng Deng, Yao Zhang, Sijia Zhang, Jing Song, Wanli He, Yuanzhe Li, Meilin Jin, Xiang Li, Guanghua Liu, Zhen Dong, Jingkai Bi, Wenmin Li, Jianfa Zhao, Jun Zhang, Yi Peng, Luchuan Shi, Junling Meng, Xiancheng Wang, Changqing Jin   +18 more
wiley   +1 more source

Effect of dimensionality on the magnetic properties of Ruddlesden–Popper manganites

Physica B: Condensed Matter, 2000
Abstract We have measured the muon-spin relaxation (μSR) in La0.6Sr0.4MnO3 and in its layered sister system La1.2Sr1.8Mn2O7 to study the influence of dimensionality on their magnetic properties. Both compounds show ferromagnetic ordering with decreasing temperature. Above their Curie temperatures we followed the spin fluctuations.
Husmann, A, Blundell, S, Jestadt, T, Lovett, B, Marshall, I, Pratt, F, Spring, L, Battle, P, Rosseinsky, M   +8 more
openaire   +1 more source

In Situ Pseudo‐Halide Diffusion Enables Buried Interface Regulation and Crystallinity Enhancement in Perovskite Solar Cells

Advanced Science, EarlyView.
Thermally activated LiHCOO induces in situ pseudo‐halide diffusion, promoting buried interface strain release and perovskite crystallization. The monoclinic LiHCOO phase forms an open framework structure that enhances HCOO− diffusion and drives interfacial restructuring.
Chao Gao, Li He, Changjiang Li, Long Fang, Wenzhong Shen   +4 more
wiley   +1 more source

Evolution of electronic correlations in the Ruddlesden-Popper nickelates

Physical Review B
7 pages, 4 figures.
Zhe Liu, Jie Li, Mengwu Huo, Bingke Ji, Jiahao Hao, Yaomin Dai, Mengjun Ou, Qing Li, Hualei Sun, Bing Xu, Yi Lu, Meng Wang, Hai-Hu Wen   +12 more
openaire   +2 more sources

Epitaxial growth and electronic structure of Ruddlesden–Popper nickelates (Lan+1NinO3n+1, n = 1–5)

APL Materials, 2020
We report the epitaxial growth of Ruddlesden–Popper nickelates, Lan+1NinO3n+1, with n up to 5 by reactive molecular beam epitaxy. X-ray diffractions indicate high crystalline quality of these films, and transport measurements show strong dependence on ...
Z. Li, W. Guo, T. T. Zhang, J. H. Song, T. Y. Gao, Z. B. Gu, Y. F. Nie   +6 more
doaj   +1 more source

Beyond d‐Band Catalysis: A Critical Review and Descriptor Framework for Rare‐Earth Engineering in Lithium–Sulfur Batteries

Advanced Science, EarlyView.
Rare‐earth catalysts regulate lithium–sulfur battery chemistry through f‐orbital–mediated interactions, enabling simultaneous polysulfide adsorption and catalytic conversion on conductive carbon hosts. This synergistic control suppresses the shuttle effect, accelerates redox kinetics, and guides stable Li2S nucleation, providing a mechanistic framework
Fan Wang, Shihzad Shakil, Guozhi Wu, Jiarui Huang, Hanhui Lei, Terence Xiaoteng Liu   +5 more
wiley   +1 more source

Atomic scale imaging of competing polar states in a Ruddlesden–Popper layered oxide

Nature Communications, 2016
Competing phases in layered complex oxides are believed to be relevant for emergent phenomena, which still await to be witnessed. Here, Stone et al. report direct atomic-scale imaging of a multitude of polar phases in Ruddlesden-Popper oxide thin films ...
Greg Stone, Colin Ophus, Turan Birol, Jim Ciston, Che-Hui Lee, Ke Wang, Craig J. Fennie, Darrell G. Schlom, Nasim Alem, Venkatraman Gopalan   +9 more
doaj   +1 more source