Zobrazeno 1 - 10
of 734
pro vyhledávání: '"Stephen J Pennycook"'
Autor:
Juntong Zhu, Zhili Hu, Shasha Guo, Ruichun Luo, Maolin Yu, Ang Li, Jingbo Pang, Minmin Xue, Stephen J. Pennycook, Zheng Liu, Zhuhua Zhang, Wu Zhou
Publikováno v:
The Innovation, Vol 4, Iss 6, Pp 100502- (2023)
Twin boundaries (TBs) in transition metal dichalcogenides (TMDs) constitute distinctive one-dimensional electronic systems, exhibiting intriguing physical and chemical properties that have garnered significant attention in the fields of quantum physi
Externí odkaz:
https://doaj.org/article/79e0ef68bcb046749d4149e5206dc32e
Autor:
Guyang Peng, Lei Hu, Wanbo Qu, Chenglong Zhang, Shurong Li, Ziyu Liu, Juncheng Liu, Shengwu Guo, Yu Xiao, Zhibing Gao, Zhen Zhang, Yang Zhang, Haijun Wu, Stephen J. Pennycook, Jun Sun, Xiangdong Ding
Publikováno v:
Interdisciplinary Materials, Vol 2, Iss 1, Pp 30-52 (2023)
Abstract Electron‐correlated materials have been drawing ever‐increasing attention due to their fascinating physical behaviors and extensive application scenarios. In this review, a new method for material research and design (R&D), named structu
Externí odkaz:
https://doaj.org/article/71409f57df214477b2688603da82d15c
Autor:
Yong Yu, Xiao Xu, Yan Wang, Baohai Jia, Shan Huang, Xiaobin Qiang, Bin Zhu, Peijian Lin, Binbin Jiang, Shixuan Liu, Xia Qi, Kefan Pan, Di Wu, Haizhou Lu, Michel Bosman, Stephen J. Pennycook, Lin Xie, Jiaqing He
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
Defects are believed to always scatter carriers. Here, the authors find that the quantum gaps in GeTe-based materials do not scatter carriers, which decouple the carriers and phonons transport leading to high thermoelectric performance.
Externí odkaz:
https://doaj.org/article/6d0ffa717d12455fa511500133f63aa5
Autor:
Moaz Waqar, Haijun Wu, Khuong Phuong Ong, Huajun Liu, Changjian Li, Ping Yang, Wenjie Zang, Weng Heng Liew, Caozheng Diao, Shibo Xi, David J. Singh, Qian He, Kui Yao, Stephen J. Pennycook, John Wang
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
Maximizing the electromechanical response is crucial for developing piezoelectric devices. Here, the authors demonstrate a giant electric-field-induced strain and its origin in alkali niobate epitaxial thin films with self-assembled planar faults.
Externí odkaz:
https://doaj.org/article/4fea8eb63d3b45e99c472f2ed55a4523
Autor:
Yuanyuan Ma, Yong Yu, Junhui Wang, Jason Lipton, Hui Ning Tan, Lirong Zheng, Tong Yang, Zhaolin Liu, Xian Jun Loh, Stephen J. Pennycook, Lei Shen, Zongkui Kou, André D. Taylor, John Wang
Publikováno v:
Advanced Science, Vol 9, Iss 28, Pp n/a-n/a (2022)
Abstract Combining isolated atomic active sites with those in nanoparticles for synergizing complex multistep catalysis is being actively pursued in the design of new electrocatalyst systems. However, these novel systems have been rarely studied due
Externí odkaz:
https://doaj.org/article/5af84d933b884090b0568d3b259ddc86
Autor:
Jie Yin, Hongxiang Zong, Hong Tao, Xuefei Tao, Haijun Wu, Yang Zhang, Li-Dong Zhao, Xiangdong Ding, Jun Sun, Jianguo Zhu, Jiagang Wu, Stephen J. Pennycook
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-8 (2021)
Experimentally manipulating bubble domains remains elusive especially in the bulk form of ferroelectrics. Here, the authors achieve self-confined bubble domains with multiple polar topologies in bulk Bi0.5Na0.5TiO3 ferroelectrics, demonstrating rever
Externí odkaz:
https://doaj.org/article/5f43c579b942439f928d83fceb169cda
Autor:
Haijun Wu, Shoucong Ning, Moaz Waqar, Huajun Liu, Yang Zhang, Hong-Hui Wu, Ning Li, Yuan Wu, Kui Yao, Turab Lookman, Xiangdong Ding, Jun Sun, John Wang, Stephen J. Pennycook
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-8 (2021)
Phase boundary engineering through chemical alloying and phase control is a traditional approach to enhancing piezoelectric properties. Here, the authors design a strategy in alkali niobate films, utilizing alkali vacancies without alloying to form n
Externí odkaz:
https://doaj.org/article/dc565174b7c54fa0a086a9bbb8a242f7
Autor:
Xinzhe Li, Yiyun Fang, Jun Wang, Hanyan Fang, Shibo Xi, Xiaoxu Zhao, Danyun Xu, Haomin Xu, Wei Yu, Xiao Hai, Cheng Chen, Chuanhao Yao, Hua Bing Tao, Alexander G. R. Howe, Stephen J. Pennycook, Bin Liu, Jiong Lu, Chenliang Su
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-9 (2021)
Precisely regulating Pt catalytic sites is important and challenging. Herein the authors engineer the clustering of single atomic Te vacancies in atomically thin PtTe2 to optimize the electronic structure, adsorption energy, and catalytic performance
Externí odkaz:
https://doaj.org/article/ef18115ae8b84598bd1e0d8c7fe918c9
Autor:
Hariom Jani, Jiajun Linghu, Sonu Hooda, Rajesh V. Chopdekar, Changjian Li, Ganesh Ji Omar, Saurav Prakash, Yonghua Du, Ping Yang, Agnieszka Banas, Krzysztof Banas, Siddhartha Ghosh, Sunil Ojha, G. R. Umapathy, Dinakar Kanjilal, A. Ariando, Stephen J. Pennycook, Elke Arenholz, Paolo G. Radaelli, J. M. D. Coey, Yuan Ping Feng, T. Venkatesan
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-10 (2021)
One major challenge for antiferromagnetic spintronics is how to control the antiferromagnetic state. Here Jani et al. demonstrate the reversible ionic control of the room-temperature magnetic anisotropy and spin reorientation transition in haematite,
Externí odkaz:
https://doaj.org/article/4afaa85c81b84ca69d2220eed71f5de8
Atomically-precise dopant-controlled single cluster catalysis for electrochemical nitrogen reduction
Autor:
Chuanhao Yao, Na Guo, Shibo Xi, Cong-Qiao Xu, Wei Liu, Xiaoxu Zhao, Jing Li, Hanyan Fang, Jie Su, Zhongxin Chen, Huan Yan, Zhizhan Qiu, Pin Lyu, Cheng Chen, Haomin Xu, Xinnan Peng, Xinzhe Li, Bin Liu, Chenliang Su, Stephen J. Pennycook, Cheng-Jun Sun, Jun Li, Chun Zhang, Yonghua Du, Jiong Lu
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-10 (2020)
The fabrication of singly dispersed metal cluster catalysts with atomic-level control of dopants is a long-standing challenge. Here, the authors report a strategy for the synthesis of a precisely doped single cluster catalyst which shows exceptional
Externí odkaz:
https://doaj.org/article/b7a441d1902f4061a1d4e7682e33706e