journal article·2026

Lattice oxygen redistribution in Ba 7 Nb 4 MoO 20 by La-doping enables high oxide ion conductivity

Sara Adeeba Ismail, Wang Hay Kan, Lulu Jiang, Amir Masoud Dayaghi, Hui Guo, Wenqi Lei, Sumei Lin, Wenhao Li, Huaican Chen, Wen Yin, Zhaohao Qin, Xiaofeng Ye, Maxim Avdeev, Donglin Han

Publisher page

Abstract

Doping La into the Ba-sites of Ba 7 Nb 4 MoO 20 enhances oxide ion conduction by regulating occupancy in oxygen sites, leading to a high bulk oxide ion conductivity of 0.01 S cm −1 at 500 °C for the Ba 6.90 La 0.10 Nb 4 MoO 20.05 composition.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Advancements in Solid Oxide Fuel Cells · Thermal Expansion and Ionic Conductivity · Magnetic and transport properties of perovskites and related materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Energy, Soochow University, No 1 Shizi Street, Gusu District, Suzhou 215006, China

Spallation Neutron Source Science Center, Dongguan, Guangdong, 523803, China

Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China

Department of Chemistry, University of Oslo, Centre for Materials Science and Nanotechnology, Gaustadalléen 21, NO-0349 Oslo, Norway

State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai 200050, PR China

Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, 19 A Yuquan Road, Shijingshan, Beijing, 100049, P.R. China

Australian Centre for Neutron Scattering, Australian Nuclear Science and Technology Organisation (ANSTO), New Illawarra Road, Lucas Heights, New South Wales 2234, Australia

School of Chemistry, University of Sydney, Sydney, New South Wales 2006, Australia

Provincial Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies, Soochow University, No 1 Shizi Street, Gusu District, Suzhou 215006, China

Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou 215123, China

Funding

Natural Science Foundation of Jiangsu Province · National Natural Science Foundation of China

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