Project supported by the National Natural Science Foundation of China(Grant Nos.61204008,11075176,and 11505211);the National Key Basic Research Special Foundation of China(Grant No.2013CB328705)
Role of vacancy-type(N vacancy(VN) and Ga vacancy(VGa)) defects in magnetism of GaMnN is investigated by first-principle calculation.Theoretical results show that both the VNand VGainfluence the ferromagnetic st...
Project supported by the National Natural Science Foundation of China(Grant Nos.61204008,11075176,and 60976090);the National Key Basic Research Special Foundation of China(Grant No.2013CB328705)
Metal-organic chemical vapor deposition (MOCVD) grown ferromagnetic GaMnN films are investigated by photo- luminescence (PL) measurement with a mid-gap excitation wavelength of 405 nm. A sharp PL peak at 1.8 eV is...
A compact high precision eight-axis automatism and two-axis manual soft-ray polarimeter with a multi- layer has been designed, constructed, and installed in 3WlB at the Beijing Synchrotron Radiation Facility (BSRF)....
Supported by National Natural Science Foundation of China (11075176)
To improve the performance of Beamline 3WIB at the Beijing Synchrotron Radiation Facility for the soft X-ray magnetic linear dichroism research at transition metals L2,3 edges, a new monochromator was designed and bui...
Supported by National Natural Science Foundation of China (11075176)
Conventionally, the polarization of a synchrotron soft X-ray beam is measured through a polarimeter based on multilayer optical elements. The major drawback of the traditional approach is the difficulty in comparing d...
Supported by National Natural Science Foundation of China(11075176, 10435050)
Three ultra-short-period W/B4C multilayers (1.244 nm, 1.235 nm and 1.034 nm) have been fabricated and used for polarization measurement at the 4BTB Beamline at the Beijing Synchrotron Radiation Facility (BSRF). By...