Zhang Yu-Ping, Liu Ling-Yu, Chen Qi, Feng Zhi-Hong, Wang Jun-Long, Zhang Xiao, Zhang Hong-Yan, Zhang Hui-Yun. Effect of cooling of electron-hole plasma in electrically pumped graphene layer structures with split gatesJ. Acta Physica Sinica, 2013, 62(9): 097202. DOI: 10.7498/aps.62.097202