SCIENCE CHINA Materials (SCMs) is an internationalpeer-reviewed journal that covers all aspects of materials science.The journal is sup ervised by the Chinese Academy ofSciences, and co-sponsored by the Chinese Academy of Sciences and the National Natural Science Foundation of China.It is jointly published monthly in both printed and electronicforms by Science China Press and Springer.The mission of SCMs is to encourage communication ofhigh quality, innovative research results at the cutting-edgeinterface of materials science with chemistry, physics, biologyand engineering, especially focusing on breakthroughs madeby Chinese and international scientists, and it is aimed to becomea world-leading academic journal of materials science.Categories of contribution accepted for the journal are Letters,Articles, Reviews, Perspectives, and Highlights. Contributionsto all sections are usually written on invitation; however,authors are welcome to submit unsolicited articles.The abbreviation for abstracting and indexing purposes isSci China Mater.