Dependence of spin dynamics on in-plane magnetic field in AlGaN/GaN quantum wells Meng Lv, Guolin Yu, Yonggang Xu, Zhigang Chang, Tie Lin, Degang Zhao, Ning Dai, Junhao Chu and D. J. Lockwood EPL, 112 6 (2015) 67003 Published online: 12 January 2016 DOI: 10.1209/0295-5075/112/67003