supported by the National Key Basic Research and Development Program(973)of China(2013CB934200);Foundation for the Supervisor of Beijing Excellent Doctoral Dissertation(20111000305);the National Natural Science Foundation of China(NSFC)(Nos.51321092,51027007).
In this study,we address the superlubricity behavior of sapphire against ruby(or sapphire against itself)under phosphoric acid solution lubrication.An ultra-low friction coefficient of 0.004 was obtained under a very ...
supported by the National Natural Science Foundation of China (Grant Nos.60678021,10804055);111 Project (Grant No.B07013);the Cultivation Fund of the Key Scientific and Technical Innovation Project,Ministry of Education of China (Grant No.708022);the National Basic Research Program of China (Grant No.2010CB934101);CNKBRSF (Grant No.2006CB921703)
In this review article,we summarized the study of the weak light nonlinear properties associated with group velocity change in the ruby.The ruby could be reduced to a two-level system,in which population oscillations ...