Project supported by the National Basic Research Program of China(2012CB933100);National Natural Science Foundation of China(61001025,60721001,51132003,61171047);support of the Fundamental Research Funds for the Central Universities (ZYGX2011X006);the second item of strongpoint industry of Guangdong province (2012A090100001);the Opening Fund of State Key Laboratory of Electronic Thin Films and Integrated Devices (KFJJ201102)
La-Co substituted M-type barium ferrites (BaM) were prepared by traditional solid state method and sintered at low tem- perature (1173 K). X-ray diffraction (XRD), scanning electron microscopy (SEM) and vibrat...
Supported by the Fund for Innovative Research Groups of the National Natural Science Foundation of China(61021061);the National Basic Research Program of China under Grant No 2012CB933104;the Youth Fund of the National Natural Science Foundation of China(No 61001025);the Scientific Fund for College(No ZYGX2011X006);the Fund of Guangdong Province for Research and Industrialization(No 2010B090400314);the Opening Fund of State Key Laboratory(KFJJ201102);the Fund of Key Laboratory of Education Ministry.
It is believed that the ultrafast demagnetization process in ferromagnetic film is intrinsically a thermal effect,which is induced by ultrafast laser pulses.We present experimental evidence that such ultrafast demagne...