<正>A series of double perovskites RSrMnFeO_6(R=La,Pr,Nd,Sm) was synthesized under mild hydrothermal conditions.Crystal growths of the samples were sensitive to
Raman spectra and ultraviolet-visible(UV-Vis) absorption spectra of linear polyene molecule-canthaxan-thin in n-hexane are measured and analyzed.In addition,the