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...
Supported by the National Basic Research Program of China under Grants Nos 2013CB328705 and 2011CB013101, and the National Natural Science Foundation of China under Grants Nos 61306110, 61327801, 61376012, 61204008, and 11204209.
GaMnN/GaN multilayers and conventional GaMnN single layers are grown by metal-organic chemical vapor deposition. Both kinds of samples show room-temperature ferromagnetism. After thermal annealing, the sample with GaM...
Project supported by the National Natural Science Foundation of China (Grant No. 50602018);the Natural Science Foundation of Guangdong Province, China (Grant No. 06025083);the Research Project of Science and Technology of Guangdong Province, China (Grant No. 2006A10802001);the Key Research Project of Science and Technology of Guangzhou, China (Grant No. 2005Z1-D0071);and the Crucial Field and Key Breakthrough Project of Guangdong Province and Hongkong, China (Grant No. 207A010501008)
An investigation of room-temperature Raman scattering is carried out on ferromagnetic semiconductor GaMnN films grown by metalorganic chemical vapour deposition with different Mn content values. New bands around 300 a...
This paper reports the fabrication of GaMnN ferromagnetic semiconductor on GaN substrate by high-dose Mn ion implantation. Both the structural and optical properties for Mn+-implanted GaN material were studied by X-ra...